Global Warming or Global Cooling?

 Global -Cooling-the-truth-denied

NO GLOBAL WARMING for 18 years
Global Warming or Global Cooling?

 CLIMATE CHANGE BILLS  and  the language associated with them.

Climate Change and proposals associated with  bills being presented by the US Senate for 2015 can be challenging to comprehend. The first thing we need to understand is the language associated with each proposal or bill. With this in mind, we  have created  this quick reference for readers. You may wish to bookmark this page for future debates. (See below for the actual propositions.)

Please keep in mind that scientists have no proof of sustained  Global Warming , and are either  behind the learning curve of there own methods of calculating such an enormous claim, or they are part of what I call “pushing an agenda”  based on greed instead of Science. Most of the bills being presented are proposing methods to cool the planet based off of  Global Warming prediction models, yet scientists world wide are beginning to see the early signs of a Global  Cooling.

 

Anthropogenic climate change  is a term for  “the production of green house gases  emitted by human activity.” By examining the polar ice cores, scientist were convinced that human activity had increased the proportion of greenhouse gases in the atmosphere, which had skyrocketed over the past few hundred years.

The term Gloabl warming was first proposed by  Al Gore in the 1990’s and  by 2009, it changed to CLIMATE CHANGE, and has quickly become  an observation of  ” Democrats  aggressively pushing the junk science, all as a deceptive attempt to feed their political greed and give government more control over our lives. “

Here are some of the facts:

FACT:   NOAA/NASA altered US temperatures showing a warming trend the last 130 years where none existed.

 

FACT:  The “Greenhouse Effect” is a natural and valuable phenomenon, without which, the planet would be uninhabitable. 

FACT:  CO2 is not a significant greenhouse gas; 95% of the contribution is due to Water Vapor.

http://www.newscientist.com/article/dn11652-climate-myths-co2-isnt-the-most-important-greenhouse-gas.html#.VLW_MCvF8rU

FACT:   The average human exhales about 2.3 pounds of carbon dioxide on an average day, combined with everyone on the planet, we contribute around 8 or 9 percent of human carbon dioxide production.

http://www.slate.com/articles/news_and_politics/explainer/2009/08/7_billion_carbon_sinks.html

FACT:  Polar Bear populations are not endangered, in fact current populations are healthy and at almost historic highs.  The push to list them as endangered is an effort to gain political control of their habitat. (http://dailycaller.com/2014/10/03/enviros-recruit-with-claims-that-oil-drilling-will-hurt-polar-bear-cubs/)

So why is the government still cooking up proposals for remediation of Global Warming when it doesn’t even exist?

The following is one example the proposed  Sunlight reflection methods (otherwise know as  (SRM)), or  solar radiation management. Check line 8 of the bill for further explaination of where your tax dollars are being spent.

Impacts of Climate-Related Geoengineering on Biological Diversity
NOTE* “SRM would not address the root cause of human-driven climate change arising from increased greenhouse-gas concentrations in the atmosphere: instead they would mask the warming effect of accumulating greenhouse gases. They would introduce a new dynamic between the warming effects of greenhouse gases and the cooling effects of SRM with uncertain climatic implications, especially at the regional scale. ”

 

Various Terms:

Aerosols A collection of air-borne solid or liquid particles, with a typical size between 0.01 and 10 µm, that reside in the atmosphere for at least several hours. Aerosols may be of either natural or anthropogenic origin. Aerosols may influence climate in two ways: directly through scattering and absorbing radiation, and indirectly through acting as condensation nuclei for cloud formation or modifying the optical properties and lifetime of clouds. 

Particulates Very small solid exhaust particles emitted during the combustion of fossil and biomass fuels. Particulates may consist of a wide variety of substances. Of greatest concern for health are particulates of less than or equal to 10 nm in diameter, usually designated as PM.

Acclimatisation The physiological adaptation to climatic variations.

 

Active layer The top layer of soil or rock in permafrost that is subjected to seasonal freezing and thawing.

 

Adaptability See adaptive capacity.

 

Adaptation Adjustment in natural or human systems in response to actual or expected climatic stimuli or their effects, which moderates harm or exploits beneficial opportunities. Various types of adaptation can be distinguished, including anticipatory, autonomous and planned adaptation:

Anticipatory adaptation – Adaptation that takes place before impacts of climate change are observed. Also referred to as proactive adaptation.

Autonomous adaptation – Adaptation that does not constitute a conscious response to climatic stimuli but is triggered by ecological changes in natural systems and by market orwelfare changes in human systems. Also referred to as spontaneous adaptation.

Planned adaptation – Adaptation that is the result of a deliberate policy decision, based on an awareness that conditions have changed or are about to change and that action is required to return to, maintain, or achieve a desired state.

 

Adaptation assessment The practice of identifying options to adapt to climate changeand evaluating them in terms of criteria such as availability, benefits, costs, effectiveness, efficiency and feasibility.

 

Adaptation benefits The avoided damage costs or the accrued benefits following the adoption and implementation of adaptation measures.

 

Adaptation costs Costs of planning, preparing for, facilitating, and implementingadaptation measures, including transition costs.

Adaptive capacity (in relation to climate change impacts) The ability of a system to adjust to climate change (including climate variability and extremes) to moderate potential damages, to take advantage of opportunities, or to cope with the consequences.

 

Aerosols A collection of air-borne solid or liquid particles, with a typical size between 0.01 and 10 µm, that reside in the atmosphere for at least several hours. Aerosols may be of either natural or anthropogenic origin. Aerosols may influence climate in two ways: directly through scattering and absorbing radiation, and indirectly through acting as condensation nuclei for cloud formation or modifying the optical properties and lifetime of clouds.

 

Afforestation Direct human-induced conversion of land that has not been forested for a period of at least 50 years to forested land through planting, seeding and/or the human-induced promotion of natural seed sources. See also reforestation and deforestation. For a discussion of the term forest and related terms such as afforestation, reforestation and deforestation, see the IPCC Special Report on Land Use, Land-Use Change, and Forestry (IPCC,2000).

 

Aggregate impacts Total impacts integrated across sectors and/or regions. The aggregation of impacts requires knowledge of (or assumptions about) the relative importance of impacts in different sectors and regions. Measures of aggregate impacts include, for example, the total number of people affected, or the total economic costs.

 

Albedo The fraction of solar radiation reflected by a surface or object, often expressed as a percentage. Snow-covered surfaces have a high albedo; the albedo of soils ranges from high to low; vegetation-covered surfaces and oceans have a low albedo. The Earth’s albedo varies mainly through varying cloudiness, snow ,ice, leaf area, and land-cover changes.

 

Algae Photosynthetic, often microscopic and planktonic, organisms occurring in marine and freshwater ecosystems.

 

Algal bloom A reproductive explosion of algae in a lake, river or ocean.

 

Alpine The biogeographic zone made up of slopes above the tree line characterised by the presence of rosette-forming herbaceous plants and low, shrubby, slow-growing woody plants.

 

Anthropogenic Resulting from or produced by human beings.

 

AOGCM See climate model.

 

Aquaculture The managed cultivation of aquatic plants or animals such as salmon or shellfish held in captivity for the purpose of harvesting.

 

Aquifer A stratum of permeable rock that bears water. An unconfined aquifer is recharged directly by local rainfall, rivers and lakes, and the rate of recharge will be influenced by the permeability of the overlying rocks and soils.

 

Aragonite A calcium carbonate (limestone) mineral, used by shell- or skeleton-forming, calcifying organisms such as corals(warm-and cold-water corals), some macroalgae, pteropods (marine snails) and non-pteropod molluscs such as bivalves (e.g., clams, oysters), cephalopods (e.g., squids, octopuses). Aragonite is more sensitive to ocean acidification than calcite, also used by many marine organisms. See also calcite and ocean acidification.

 

Arbovirus Any of various viruses transmitted by blood-sucking arthropods (e.g., mosquitoes, ticks, etc.) and including the causative agents of dengue fever, yellow fever, and some types of encephalitis.

 

Arid region A land region of low rainfall, where ‘low’ is widely accepted to be <250 mm precipitation per year.

 

Atmosphere The gaseous envelope surrounding the Earth. The dry atmosphere consists almost entirely of nitrogen and oxygen, together with trace gases including carbon dioxide and ozone.

 

Attribution See Detection and attribution.

 

 

Baseline/reference The baseline (or reference) is the state against which change is measured. It might be a ‘current baseline’, in which case it represents observable, present-day conditions. It might also be a ‘future baseline’, which is a projected future set of conditions excluding the driving factor of interest. Alternative interpretations of the reference conditions can give rise to multiple baselines.

 

Basin The drainage area of a stream, river or lake.

 

Benthic community The community of organisms living on or near the bottom of a water body such as a river, a lake or an ocean.

 

Biodiversity The total diversity of all organisms and ecosystems at various spatial scales (from genes to entire biomes).

 

Biofuel A fuel produced from organic matter or combustible oils produced by plants. Examples of biofuel include alcohol, black liquor from the paper-manufacturing process, wood, and soybean oil.

 

Biomass The total mass of living organisms in a given area or volume; recently dead plant material is often included as dead biomass. The quantity of biomass is expressed as a dry weight or as the energy, carbon or nitrogen content.

 

Biome Major and distinct regional element of the biosphere, typically consisting of several ecosystems (e.g., forests, rivers, ponds, swamps) within a region of similar climate. Biomes are characterised by typical communities of plants and animals.

 

Biosphere The part of the Earth system comprising all ecosystems and living organisms in the atmosphere, on land (terrestrial biosphere), or in the oceans (marine biosphere), including derived dead organic matter, such as litter, soil organic matter, and oceanic detritus.

 

Biota All living organisms of an area; the flora and fauna considered as a unit.

 

Bog Peat-accumulating acidic wetland.

 

Boreal forest Forests of pine, spruce, fir and larch stretching from the east coast of Canada westward to Alaska and continuing from Siberia westward across the entire extent of Russia to the European Plain. The climate is continental, with long, very cold winters (up to 6 months with mean temperatures below freezing), and short, cool summers (50 to 100 frost-free days). Precipitation increases during summer months, although annual precipitation is still small. Low evaporation rates can make this a humid climate. See taiga.

 

Breakwater A hard engineering structure built in the sea which, by breaking waves, protects a harbour, anchorage, beach or shore area. A breakwater can be attached to the coast or lie offshore.

 

C3 plants Plants that produce a three-carbon compound during photosynthesis, including most trees and agricultural crops such as rice, wheat, soybeans, potatoes and vegetables.

 

C4 plants Plants, mainly of tropical origin, that produce a four-carbon compound during photosynthesis, including many grasses and the agriculturally important crops maize, sugar cane, millet and sorghum.

 

Calcareous organisms A large and diverse group of organisms, many marine, that use calcite or aragonite to form shells or skeletons. See calcite, aragonite and ocean acidification.

 

Calcite A calcium carbonate (limestone) mineral, used by shell- or skeleton-forming, calcifying organisms such as foraminifera,some macroalgae, lobsters, crabs, sea urchins and starfish. Calcite is less sensitive to ocean acidification thanaragonite, also used by many marine organisms. See also aragonite and ocean acidification.

 

Capacity building In the context of climate change, capacity building is developing the technical skills and institutional capabilities in developing countries and economies in transition to enable their participation in all aspects of adaptation to, mitigation of, and research on climate change, and in the implementation of the Kyoto Mechanisms, etc.

 

Carbon cycle The term used to describe the flow of carbon (in various forms, e.g., carbon dioxide) through the atmosphere, ocean, terrestrial biosphere and lithosphere.

 

Carbon dioxide (CO2) A naturally occurring gas fixed by photosynthesis into organic matter. A by-product of fossil fuel combustion and biomass burning, it is also emitted from land-use changes and other industrial processes. It is the principal anthropogenic greenhouse gas that affects the Earth’s radiative balance. It is the reference gas against which other greenhouse gases are measured, thus having a Global Warming Potential of 1.

 

Carbon dioxide fertilisation The stimulation of plant photosynthesis due to elevated CO2concentrations, leading to either enhanced productivity and/or efficiency of primary production. In general, C3 plants show a larger response to elevated CO2 than C4 plants.

 

Carbon sequestration The process of increasing the carbon content of a reservoir/pool other than the atmosphere.

 

Catchment An area that collects and drains rainwater.

 

CDM (Clean Development Mechanism) The CDM allows greenhouse gas emission reduction projects to take place in countries that have no emission targets under the United Nations Framework Convention on Climate Change (UNFCCC) Kyoto Protocol, yet are signatories.

 

Chagas’disease A parasitic disease caused by the Trypanosoma cruzi and transmitted by triatomine bugs in the Americas, with two clinical periods: acute (fever, swelling of the spleen, oedemas) and chronic (digestive syndrome, potentially fatal heart condition).

 

Cholera A water-borne intestinal infection caused by a bacterium (Vibrio cholerae) that results in frequent watery stools, cramping abdominal pain, and eventual collapse from dehydration and shock.

 

Climate Climate in a narrow sense is usually defined as the ‘average weather’, or more rigorously, as the statistical description interms of the mean and variability of relevant quantities over a period of time ranging from months to thousands or millions of years. These quantities are most often surface variables such as temperature, precipitation, and wind. Climate in a wider sense is the state, including a statistical description, of the climate system. The classical period of time is 30 years, as defined by the World Meteorological Organization (WMO).

 

Climate change Climate change refers to any change in climate over time, whether due to natural variability or as a result of human activity. This usage differs from that in the United Nations Framework Convention on Climate Change (UNFCCC), which defines ‘climate change’ as: ‘a change of climate which is attributed directly or indirectly to human activity that alters the composition of the global atmosphere and which is in addition to natural climate variability observed over comparable time periods’. See also climate variability.

 

Climate change commitment Due to the thermal inertia of the ocean and slow processes in the biosphere, the cryosphere and land surfaces, the climate would continue to change even if the atmospheric composition was held fixed at today’s values. Past change in atmospheric composition leads to a ‘committed’ climate change which continues for as long as a radiative imbalance persists and until all components of the climate system have adjusted to a new state. The further change in temperature after the composition of the atmosphere is held constant is referred to as the committed warming or warming commitment. Climate change commitment includes other future changes, for example in the hydrological cycle, in extreme weather events, and in sea-level rise.

 

Climate model A numerical representation of the climate system based on the physical, chemical, and biological properties of its components,their interactions and feedback processes, and accounting for all or some of its known properties. The climate system can be represented by models of varying complexity (i.e., for any one component or combination of components a hierarchy of models can be identified, differing in such aspects as the number of spatial dimensions, the extent to which physical, chemical, or biological processes are explicitly represented, or the level at which empirical parameterisations are involved. Coupled atmosphere/ocean/sea-ice General Circulation Models (AOGCMs) provide a comprehensive representation of the climate system. More complex models include active chemistry and biology. Climate models are applied, as a research tool, to study and simulate the climate, but also for operational purposes, including monthly, seasonal, and interannual climate predictions.

 

Climate prediction A climate prediction or climate forecast is the result of an attempt to produce an estimate of the actual evolution of the climate in the future, e.g., at seasonal, interannual or long-term time scales. See also climate projection and climate (change) scenario.

 

Climate projection The calculated response of the climate system to emissions or concentration scenarios of greenhouse gases and aerosols, or radiative forcing scenarios, often based on simulations by climate models. Climate projections are distinguished from climate predictions, in that the former critically depend on the emissions/concentration/radiative forcing scenario used, and therefore on highly uncertain assumptions of future socio-economic and technological development.

 

Climate (change) scenario A plausible and often simplified representation of the future climate, based on an internally consistent set of climatological relationships and assumptions of radiative forcing, typically constructed for explicit use as input to climate change impact models. A ‘climate change scenario’ is the difference between a climate scenario and the current climate.

 

Climate sensitivity The equilibrium temperature rise that would occur for a doubling of CO2 concentration above pre-industrial levels.

 

Climate system The climate system is defined by the dynamics and interactions of five major components: atmosphere, hydrosphere, cryosphere, land surface, and biosphere. Climate system dynamics are driven by both internal and external forcing, such as volcanic eruptions, solar variations, or human-induced modifications to the planetary radiative balance, for instance via anthropogenic emissions of greenhouse gases and/or land-use changes.

 

Climate threshold The point at which external forcing of the climate system, such as the increasing atmospheric concentration of greenhouse gases, triggers a significant climatic or environmental event which is considered unalterable, or recoverable only on very long times-cales, such as widespread bleaching of corals or a collapse of oceanic circulation systems.

 

Climate variability Climate variability refers to variations in the mean state and other statistics (such as standard deviations, statistics of extremes, etc.) of the climate on all temporal and spatial scales beyond that of individual weather events. Variability may be due to natural internal processes within the climate system (internal variability), or to variations in natural or anthropogenic external forcing (external variability). See also climate change.

 

CO2 fertilisation See carbon dioxide fertilisation.

 

Coastal squeeze The squeeze of coastal ecosystems (e.g., salt marshes, mangroves and mud and sand flats) between rising sea levels and naturally or artificially fixed shorelines, including hard engineering defences (see Chapter 6).

 

Coccolithophores Single-celled microscopic phytoplankton algae which construct shell-like structures from calcite (a form of calcium carbonate). See also calcite and ocean acidification.

 

Committed to extinction This term describes a species with dwindling population that is in the process of inescapably becoming extinct in the absence of human intervention. See also extinction.

 

Communicable disease An infectious disease caused by transmission of an infective biological agent (virus, bacterium, protozoan, or multicellular macroparasite).

 

Confidence In this Report, the level of confidence in a statement is expressed using a standard terminology defined in the Introduction. See also uncertainty.

 

Control run A model run carried out to provide a ‘baseline’ for comparison with climate-change experiments. The control run uses constant values for the radiative forcing due to greenhouse gases and anthropogenic aerosols appropriate to pre-industrial conditions.

 

Coral The term ‘coral’ has several meanings, but is usually the common name for the Order Scleractinia, all members of which have hard limestone skeletons, and which are divided into reef-building and non-reef-building, or cold- and warm-water corals.

 

Coral bleaching The paling in colour which results if a coral loses its symbiotic, energy-providing, organisms.

 

Coral reefs Rock-like limestone (calcium carbonate) structures built by corals along ocean coasts (fringing reefs) or on top of shallow, submerged banks or shelves (barrier reefs, atolls), most conspicuous in tropical and sub-tropical oceans.

 

Cryosphere The component of the climate system consisting of all snow and ice (including permafrost) on and beneath the surface of the Earth and ocean.

 

Cryptogams An outdated but still-used term, denoting a group of diverse and taxonomically unrelated organisms, including fungi and lower plants such as algae, lichens, hornworts, liverworts, mosses and ferns.

 

Deforestation Natural or anthropogenic process that converts forest land to non-forest. See afforestation and reforestation.

 

Dengue fever An infectious viral disease spread by mosquitoes, often called breakbone fever because it is characterised by severe pain in the joints and back. Subsequent infections of the virus may lead to dengue haemorrhagic fever (DHF) and dengue shock syndrome (DSS), which may be fatal.

 

Desert A region of very low rainfall, where ‘very low’ is widely accepted to be <100 mm per year.

 

Desertification Land degradation in arid, semi-arid, and dry sub-humid areas resulting from various factors, including climatic variations and human activities. Further, the United Nations Convention to Combat Desertification (UNCCD) defines land degradation as a reduction or loss in arid, semi-arid, and dry sub-humid areas of the biological or economic productivity and complexity of rainfed cropland, irrigated cropland, or range, pasture, forest and woodlands resulting from land uses or from a process or combination of processes, including those arising from human activities and habitation patterns, such as: (i) soil erosion caused by wind and/or water; (ii) deterioration of the physical, chemical, and biological or economic properties of soil; and (iii) long-term loss of natural vegetation.

 

Detection and attribution Detection of change in a system (natural or human) is the process of demonstrating that the system has changed in some defined statistical sense, without providing a reason for that change.

Attribution of such an observed change in a system to anthropogenic climate change is usually a two-stage process. First, the observed change in the system must be demonstrated to be associated with an observed regional climate change with a specified degree of confidence. Second, a measurable portion of the observed regional climate change, or the associated observed change in the system, must be attributed to anthropogenic climate forcing with a similar degree of confidence. Confidence in such joint attribution statements must be lower than the confidence in either of the individual attribution steps alone due to the combination of two separate statistical assessments.

 

Diadromous Fish that travel between salt water and freshwater.

 

Discount rate The degree to which consumption now is preferred to consumption one year hence, with prices held constant, but average incomes rising in line with GDP per capita.

 

Disturbance regime Frequency, intensity, and types of disturbances, such as fires, insect or pest outbreaks, floods and droughts.

 

Downscaling A method that derives local- to regional-scale (10 to 100 km ) information from larger-scale models or data analyses.

 

Drought The phenomenon that exists when precipitation is significantly below normal recorded levels, causing serious hydrological imbalances that often adversely affect land resources and production systems.

 

Dyke A human-made wall or embankment along a shore to prevent flooding of low-lying land.

 

Dynamic global vegetation model (DGVM) Models that simulate vegetation development and dynamics through space and time, as driven by climate and other environmental changes.

Ecological community A community of plants and animals characterised by a typical assemblage of species and their abundances. See also ecosystem.

 

Ecological corridor A thin strip of vegetation used by wildlife, potentially allowing movement of biotic factors between two areas.

 

Ecophysiological process Individual organisms respond to environmental variability, such as climate change, through ecophysiological processes which operate continuously, generally at a microscopic or sub-organ scale. Ecophysiological mechanisms underpin individual organism’s tolerance to environmental stress, and comprise a broad range of responses defining the absolute tolerance limits of individuals to environmental conditions. Ecophysiological responses may scale up to control species geographic ranges.

 

Ecosystem The interactive system formed from all living organisms and their abiotic (physical and chemical) environment within a given area. Ecosystems cover a hierarchy of spatial scales and can comprise the entire globe, biomes at the continental scale or small, well-circumscribed systems such as a small pond.

 

Ecosystem approach The ecosystem approach is a strategy for the integrated management of land, water and living resources that promotes conservation and sustainable use in an equitable way. An ecosystem approach is based on the application of appropriate scientific methodologies focused on levels of biological organisation, which encompass the essential structure, processes, functions and interactions among organisms and their environment. It recognises that humans, with their cultural diversity, are an integral component of many ecosystems. The ecosystem approach requires adaptive management to deal with the complex and dynamic nature of ecosystems and the absence of complete knowledge or understanding of their functioning. Priority targets are conservation of biodiversity and of the ecosystem structure and functioning, in order to maintain ecosystem services.

 

Ecosystem services Ecological processes or functions having monetary or non-monetary value to individuals or society at large. There are (i) supporting services such as productivity or biodiversity maintenance, (ii) provisioning services such as food, fibre, or fish, (iii) regulating services such as climate regulation or carbon sequestration, and (iv) cultural services such as tourism or spiritual and aesthetic appreciation.

 

Ecotone Transition area between adjacent ecological communities (e.g., between forests and grasslands).

 

El Niño-Southern Oscillation (ENSO) El Niño, in its original sense, is a warm-water current that periodically flows along the coast of Ecuador and Peru, disrupting the local fishery. This oceanic event is associated with a fluctuation of the inter-tropical surface pressure pattern and circulation in the Indian and Pacific Oceans, called the Southern Oscillation. This coupled atmosphere-ocean phenomenon is collectively known as El Niño-Southern Oscillation. During an El Niño event, the prevailing trade winds weaken and the equatorial countercurrent strengthens, causing warm surface waters in the Indonesian area to flow eastward to overlie the cold waters of the Peru current. This event has great impact on the wind, sea surface temperature, and precipitation patterns in the tropical Pacific. It has climatic effects throughout the Pacific region and in many other parts of the world. The opposite of an El Niño event is called La Niña.

 

Emissions scenario A plausible representation of the future development of emissions of substances that are potentially radiatively active (e.g., greenhouse gases, aerosols), based on a coherent and internally consistent set of assumptions about driving forces (such as demographic and socio-economic development, technological change) and their key relationships. In 1992, the IPCC presented a set of emissions scenarios that were used as a basis for the climate projections in the Second Assessment Report. These emissions scenarios are referred to as the IS92 scenarios. In the IPCC Special Report on Emissions Scenarios (SRES) (Nakićenović et al., 2000), new emissions scenarios – the so-called SRES scenarios – were published.

 

Endemic Restricted or peculiar to a locality or region. With regard to human health, endemic can refer to a disease or agent present or usually prevalent in a population or geographical area at all times.

 

Ensemble A group of parallel model simulations used for climate projections. Variation of the results across the ensemble members gives an estimate of uncertainty. Ensembles made with the same model but different initial conditions only characterise the uncertainty associated with internal climate variability, whereas multi-model ensembles including simulations by several models also include the impact of model differences.

 

Epidemic Occurring suddenly in incidence rates clearly in excess of normal expectancy, applied especially to infectious diseases but may also refer to any disease, injury, or other health-related event occurring in such outbreaks.

 

Erosion The process of removal and transport of soil and rock by weathering, mass wasting, and the action of streams, glaciers, waves, winds and underground water.

 

Eustatic sea-level rise See sea-level rise.

 

Eutrophication The process by which a body of water (often shallow) becomes (either naturally or by pollution) rich in dissolved nutrients, with a seasonal deficiency in dissolved oxygen.

 

Evaporation The transition process from liquid to gaseous state.

 

Evapotranspiration The combined process of water evaporation from the Earth’s surface and transpiration from vegetation.

 

Externalities Occur when a change in the production or consumption of one individual or firm affects indirectly the well-being of another individual or firm. Externalities can be positive or negative. The impacts of pollution on ecosystems, water courses or air quality represent classic cases of negative externality.

 

Extinction The global disappearance of an entire species.

 

Extirpation The disappearance of a species from part of its range; local extinction.

 

Extreme weather event An event that is rare within its statistical reference distribution at a particular place. Definitions of ‘rare’ vary, but an extreme weather event would normally be as rare as or rarer than the 10th or 90th percentile. By definition, the characteristics of what is called ‘extreme weather’ may vary from place to place. Extreme weather events may typically include floods and droughts.

 

Feedback An interaction mechanism between processes is called a feedback. When the result of an initial process triggers changes in a second process and that in turn influences the initial one. A positive feedback intensifies the original process, and a negative feedback reduces it.

 

Food chain The chain of trophic relationships formed if several species feed on each other. See food web and

trophic level.

 

Food security A situation that exists when people have secure access to sufficient amounts of safe and nutritious food for normal growth, development and an active and healthy life. Food insecurity may be caused by the unavailability of food, insufficient purchasing power, inappropriate distribution, or inadequate use of food at the household level.

 

Food web The network of trophic relationships within an ecological community involving several interconnected

food chains.

 

Forecast See climate prediction and climate projection.

 

Forest limit/line The upper elevational or latitudinal limit beyond which natural tree regeneration cannot develop into a closed forest stand. It is typically at a lower elevation or more distant from the poles than the tree line.

 

Freshwater lens A lenticular fresh groundwater body that underlies an oceanic island. It is underlain by saline water.

 

Functional extinction This term defines a species which has lost its capacity to persist and to recover because its populations have declined to below a minimum size. See committed to extinction.

 

General Circulation Model (GCM) See climate model.

 

Generalist A species that can tolerate a wide range of environmental conditions.

 

Glacier A mass of land ice flowing downhill (by internal deformation and sliding at the base) and constrained by the surrounding topography (e.g., the sides of a valley or surrounding peaks). A glacier is maintained by accumulation of snow at high altitudes, balanced by melting at low altitudes or discharge into the sea.

 

Globalisation The growing integration and interdependence of countries worldwide through the increasing volume and variety of cross-border transactions in goods and services, free international capital flows, and the more rapid and widespread diffusion of technology, information and culture.

 

Greenhouse effect The process in which the absorption of infrared radiation by the atmosphere warms the Earth.

In common parlance, the term ‘greenhouse effect’ may be used to refer either to the natural greenhouse effect, due to naturally occurring greenhouse gases, or to the enhanced (anthropogenic) greenhouse effect, which results from gases emitted as a result of human activities.

 

Greenhouse gas Greenhouse gases are those gaseous constituents of the atmosphere, both natural and anthropogenic, that absorb and emit radiation at specific wavelengths within the spectrum of infrared radiation emitted by the Earth’s surface, the atmosphere, and clouds. This property causes the greenhouse effect. Water vapour (H2O),

carbon dioxide (CO2), nitrous oxide (N2O), methane (CH4) and ozone (O3) are the primary greenhouse gases in the

Earth’s atmosphere. As well as CO2, N2O, and CH4, the Kyoto Protocol deals with the greenhouse gases sulphur hexafluoride (SF6), hydrofluorocarbons (HFCs) and perfluorocarbons (PFCs).

 

Gross Domestic Product Gross Domestic Product (GDP) is the monetary value of all goods and services produced within a nation.

 

Gross National Product Gross National Product (GNP) is the monetary value of all goods and services prodced in a nation’s economy, including income generated abroad by domestic residents, but without income generated by foreigners.

 

Gross primary production The total carbon fixed by plant through photosynthesis.

 

Groundwater recharge The process by which external water is added to the zone of saturation of an aquifer, either directly into a formation or indirectly by way of another formation.

 

Groyne A low, narrow jetty, usually extending roughly perpendicular to the shoreline, designed to protect the shore from erosion by currents, tides or waves, by trapping sand for the purpose of replenishing or making a beach.

 

Habitat The locality or natural home in which a particular plant, animal, or group of closely associated organisms lives.

 

Hantavirus A virus in the family Bunyaviridae that causes a type of haemorrhagic fever. It is thought that humans catch the disease mainly from infected rodents, either through direct contact with the animals or by inhaling or ingesting dust that contains aerosolised viral particles from their dried urine and other secretions.

 

Heat island An urban area characterised by ambient temperatures higher than those of the surrounding non-urban area. The cause is a higher absorption of solar energy by materials of the urban fabric such as asphalt.

 

Herbaceous Flowering, non-woody.

 

Human system Any system in which human organisations play a major role. Often, but not always, the term is synonymous with ‘society’ or ‘social system’ e.g., agricultural system, political system, technological system, economic system; all are human systems in the sense applied in the AR4.

 

Hydrographic events Events that alter the state or current of waters in oceans, rivers or lakes.

 

Hydrological systems The systems involved in movement, distribution, and quality of water throughout the Earth, including both the hydrologic cycle and water resources.

 

Hypolimnetic Referring to the part of a lake below the thermocline made up of water that is stagnant and of essentially uniform temperature except during the period of overturn.

 

Hypoxic events Events that lead to a deficiency of oxygen.

 

Ice cap A dome-shaped ice mass covering a highland area that is considerably smaller in extent than an ice sheet.

 

Ice sheet A mass of land ice that is sufficiently deep to cover most of the underlying bedrock topography. An ice sheet flows outwards from a high central plateau with a small average surface slope. The margins slope steeply, and the ice is discharged through fast-flowing ice streams or outlet glaciers, in some cases into the sea or into ice shelves floating on the sea. There are only two large ice sheets in the modern world – on Greenland and Antarctica, the Antarctic ice sheet being divided into east and west by the Transantarctic Mountains; during glacial periods there were others.

 

Ice shelf A floating ice sheet of considerable thickness attached to a coast (usually of great horizontal extent with a level or gently undulating surface); often a seaward extension of ice sheets. Nearly all ice shelves are in Antarctica.

 

(climate change) Impact assessment The practice of identifying and evaluating, in monetary and/or non-monetary terms, the effects of climate change on natural and human systems.

 

(climate change) Impacts The effects of climate change on natural and human systems. Depending on the consideration of adaptation, one can distinguish between potential impacts and residual impacts:

Potential impacts: all impacts that may occur given a projected change in climate, without considering adaptation.

Residual impacts: the impacts of climate change that would occur after adaptation. See also aggregate impacts, market impacts, and non-market impacts.

 

Indigenous peoples No internationally accepted definition of indigenous peoples exists. Common characteristics often applied under international law, and by United Nations agencies to distinguish indigenous peoples include: residence within or attachment to geographically distinct traditional habitats, ancestral territories, and their natural resources; maintenance of cultural and social identities, and social, economic, cultural and political institutions separate from mainstream or dominant societies and cultures; descent from population groups present in a given area, most frequently before modern states or territories were created and current borders defined; and self-identification as being part of a distinct indigenous cultural group, and the desire to preserve that cultural identity.

 

Industrial revolution A period of rapid industrial growth with far-reaching social and economic consequences, beginning in England during the second half of the 18th century and spreading to Europe and later to other countries including the USA. The industrial revolution marks the beginning of a strong increase in combustion of fossil fuels and related emissions of

carbon dioxide. In the AR4, the term ‘pre-industrial’ refers, somewhat arbitrarily, to the period before 1750.

 

Infectious disease Any disease caused by microbial agents that can be transmitted from one person to another or from animals to people. This may occur by direct physical contact, by handling of an object that has picked up infective organisms, through a disease carrier, via contaminated water, or by the spread of infected droplets coughed or exhaled into the air.

 

Infrastructure The basic equipment, utilities, productive enterprises, installations and services essential for the development, operation and growth of an organisation, city or nation.

 

Integrated assessment An interdisciplinary process of combining, interpreting and communicating knowledge from diverse scientific disciplines so that all relevant aspects of a complex societal issue can be evaluated and considered for the benefit of decision-making.

 

Integrated water resources management (IWRM) The prevailing concept for water management which, however, has not been defined unambiguously. IWRM is based on four principles that were formulated by the International Conference on Water and the Environment in Dublin, 1992: (1) fresh water is a finite and vulnerable resource, essential to sustain life, development and the environment; (2) water development and management should be based on a participatory approach, involving users, planners and policy-makers at all levels; (3) women play a central part in the provision, management and safeguarding of water; (4) water has an economic value in all its competing uses and should be recognised as an economic good.

 

Invasive species and invasive alien species (IAS) A species aggressively expanding its range and population density into a region in which it is not native, often through out-competing or otherwise dominating native species.

 

Irrigation water-use efficiency Irrigation water-use efficiency is the amount of biomass or seed yield produced per unit irrigation water applied, typically about 1 tonne of dry matter per 100 mm water applied.

 

Isohyet A line on a map connecting locations that receive the same amount of rainfall.

 

Joint attribution Involves both attribution of observed changes to regional climate change and attribution of a measurable portion of either regional climate change or the associated observed changes in the system to anthropogenic causes, beyond natural variability. This process involves statistically linking climate-change simulations from climate models with the observed responses in the natural or managed system. Confidence in joint attribution statements must be lower than the confidence in either of the individual attribution steps alone due to the combination of two separate statistical assessments.

 

Keystone species A species that has a central servicing role affecting many other organisms and whose demise is likely to result in the loss of a number of species and lead to major changes in ecosystem function.

 

Kyoto Protocol The Kyoto Protocol was adopted at the Third Session of the Conference of the Parties (COP) to the

UN Framework Convention on Climate Change (UNFCCC) in 1997 in Kyoto, Japan. It contains legally binding commitments, in addition to those included in the UNFCCC. Countries included in Annex B of the Protocol (most member countries of the Organisation for Economic Cooperation and Development (OECD) and those with economies in transition) agreed to reduce their anthropogenic greenhouse gas emissions (CO2, CH4, N2O, HFCs, PFCs, and SF6) by at least 5% below 1990 levels in the commitment period 2008 to 2012. The Kyoto Protocol entered into force on 16 February 2005.

 

La Niña See El Niño-Southern Oscillation (ENSO).

 

Landslide A mass of material that has slipped downhill by gravity, often assisted by water when the material is saturated; the rapid movement of a mass of soil, rock or debris down a slope.

 

Large-scale singularities Abrupt and dramatic changes in the state of given systems, in response to gradual changes in driving forces. For example, a gradual increase in atmospheric greenhouse gas concentrations may lead to such large-scale singularities as slowdown or collapse of the thermohaline circulation or collapse of the West Antarctic ice sheet. The occurrence, magnitude, and timing of large-scale singularities are difficult to predict.

 

Last Glacial Maximum The Last Glacial Maximum refers to the time of maximum extent of the ice sheets during the last glaciation, approximately 21,000 years ago.

 

Leaching The removal of soil elements or applied chemicals by water movement through the soil.

 

Leaf area index (LAI) The ratio between the total leaf surface area of a plant and the ground area covered by its leaves.

 

Legume Plants that fix nitrogen from the air through a symbiotic relationship with bacteria in their soil and root systems

(e.g., soybean, peas, beans, lucerne, clovers).

 

Likelihood The likelihood of an occurrence, an outcome or a result, where this can be estimated probabilistically, is expressed in this Report using a standard terminology, defined in the Introduction. See also uncertainty and confidence.

 

Limnology Study of lakes and their biota.

 

Littoral zone A coastal region; the zone between high and low watermarks.

 

Malaria Endemic or epidemic parasitic disease caused by species of the genus Plasmodium (Protozoa) and transmitted by mosquitoes of the genus Anopheles; produces bouts of high fever and systemic disorders, affects about 300 million and kills approximately 2 million people worldwide every year.

 

Market impacts Impacts that can be quantified in monetary terms, and directly affect Gross Domestic Product –

e.g., changes in the price of agricultural inputs and/or goods. See also non-market impacts.

 

Meningitis Inflammation of the meninges (part of the covering of the brain), usually caused by bacteria, viruses or fungi.

 

Meridional overturning circulation (MOC) See thermohaline circulation (THC).

 

Microclimate Local climate at or near the Earth’s surface. See also climate.

 

Millennium Development Goals (MDGs) A list of ten goals, including eradicating extreme poverty and hunger, improving maternal health, and ensuring environmental sustainability, adopted in 2000 by the UN General Assembly, i.e.,

191 States, to be reached by 2015. The MDGs commit the international community to an expanded vision of development, and have been commonly accepted as a framework for measuring development progress.

 

Mires Peat-accumulating wetlands. See bog.

 

Mitigation An anthropogenic intervention to reduce the anthropogenic forcing of the climate system; it includes strategies to reduce greenhouse gas sources and emissions and enhancing greenhouse gas sinks.

 

Mixed layer The upper region of the ocean, well mixed by interaction with the overlying atmosphere.

 

Monsoon A monsoon is a tropical and sub-tropical seasonal reversal in both the surface winds and associated precipitation.

 

Montane The biogeographic zone made up of relatively moist, cool upland slopes below the sub-alpine zone that is characterised by the presence of mixed deciduous at lower and coniferous evergreen forests at higher elevations.

 

Morbidity Rate of occurrence of disease or other health disorders within a population, taking account of the age-specific morbidity rates. Morbidity indicators include chronic disease incidence/prevalence, rates of hospitalisation, primary care consultations, disability-days (i.e., days of absence from work), and prevalence of symptoms.

 

Morphology The form and structure of an organism or land-form, or any of its parts.

 

Mortality Rate of occurrence of death within a population; calculation of mortality takes account of age-specific death rates, and can thus yield measures of life expectancy and the extent of premature death.

 

Net biome production (NBP) Net biome production is the net ecosystem production (NEP) minus carbon losses resulting from disturbances such as fire or insect defoliation.

 

Net ecosystem production (NEP) Net ecosystem production is the difference between net primary production (NPP) and heterotrophic respiration (mostly decomposition of dead organic matter) of that ecosystem over the same area (see also net biome production (NBP)).

 

Net primary production (NPP) Net primary production is the gross primary production minus autotrophic respiration, i.e., the sum of metabolic processes for plant growth and maintenance, over the same area.

 

Nitrogen oxides (NOx) Any of several oxides of nitrogen.

 

No regrets policy A policy that would generate net social and/or economic benefits irrespective of whether or not anthropogenic climate change occurs.

 

Non-linearity A process is called ‘non-linear’ when there is no simple proportional relation between cause and effect.

 

Non-market impacts Impacts that affect ecosystems or human welfare, but that are not easily expressed in monetary terms, e.g., an increased risk of premature death, or increases in the number of people at risk of hunger. See also market impacts.

 

Normalised difference vegetation index (NDVI) A satellite-based remotely sensed measure of the ‘greenness’ of the vegetation cover.

 

North Atlantic Oscillation (NAO) The North Atlantic Oscillation (NAO) consists of opposing variations of barometric pressure near Iceland and near the Azores. It is the dominant mode of winter climate variability in the North Atlantic region.

 

Ocean acidification Increased concentrations of CO2in sea water causing a measurable increase in acidity (i.e., a reduction in ocean pH). This may lead to reduced calcification rates of calcifying organisms such as corals, molluscs, algae and crustacea.

 

Ombrotrophic bog An acidic peat-accumulating wetland that is rainwater (instead of groundwater) fed and thus particularly poor in nutrients.

 

Opportunity costs The cost of an economic activity forgone through the choice of another activity.

 

Ozone The triatomic form of oxygen (O3), a gaseous atmospheric constituent. In the troposphere, it is created both naturally and by photochemical reactions involving gases resulting from human activities (photochemical smog). In high concentrations, tropospheric ozone can be harmful to many living organisms. Tropospheric ozone acts as a greenhouse gas. In the stratosphere, ozone is created by the interaction between solar ultraviolet radiation and molecular oxygen (O2). Depletion of stratospheric ozone, due to chemical reactions that may be enhanced by climate change, results in an increased ground-level flux of ultraviolet (UV) B radiation.

Paludification The process of transforming land into a wetland such as a marsh, a swamp or a bog.

 

Particulates Very small solid exhaust particles emitted during the combustion of fossil and biomass fuels. Particulates may consist of a wide variety of substances. Of greatest concern for health are particulates of less than or equal to 10 nm in diameter, usually designated as PM10.

 

Peat Peat is formed from dead plants, typically Sphagnum mosses, which are only partially decomposed due to the permanent submergence in water and the presence of conserving substances such as humic acids.

 

Peatland Typically a wetland such as a mire slowly accumulating peat.

 

Pelagic community The community of organisms living in the open waters of a river, a lake or an ocean (in contrast to benthic communities living on or near the bottom of a water body).

 

Permafrost Perennially frozen ground that occurs where the temperature remains below 0°C for several years.

 

Phenology The study of natural phenomena that recur periodically (e.g., development stages, migration) and their relation to climate and seasonal changes.

 

Photochemical smog A mix of photochemical oxidant air pollutants produced by the reaction of sunlight with primary air pollutants, especially hydrocarbons.

 

Photosynthesis The synthesis by plants, algae and some bacteria of sugar from sunlight, carbon dioxide and water, with oxygen as the waste product. See also carbon dioxide fertilisation, C3 plants and C4 plants.

 

Physiographic Of, relating to, or employing a description of nature or natural phenomena.

 

Phytoplankton The plant forms of plankton. Phytoplankton are the dominant plants in the sea, and are the basis of the entire marine food web. These single-celled organisms are the principal agents of photosynthetic carbon fixation in the ocean. See also zooplankton.

 

Plankton Microscopic aquatic organisms that drift or swim weakly. See also phytoplankton and zooplankton.

 

Plant functional type (PFT) An idealised vegetation class typically used in dynamic global vegetation models (DGVM).

 

Polynya Areas of permanently unfrozen sea water resulting from warmer local water currents in otherwise sea-ice covered oceans. They are biological hotspots, since they serve as breathing holes or refuges for marine mammals such as whales and seals, and fish-hunting birds.

 

Population system An ecological system (not ecosystem) determined by the dynamics of a particular vagile species that typically cuts across several ecological communities and even entire biomes. An example is migratory birds that seasonally inhabit forests as well as grasslands and visit wetlands on their migratory routes.

 

Potential production Estimated crop productivity under non-limiting soil, nutrient and water conditions.

 

Pre-industrial See industrial revolution.

 

Primary production All forms of production accomplished by plants, also called primary producers. See GPP, NPP, NEP and NBP.

 

Projection The potential evolution of a quality or set of quantities, often computed with the aid of a model. Projections are distinguished from predictions in order to emphasise that projections involve assumptions – concerning, for example, future socio-economic and technological developments, that may or may not be realised – and are therefore subject to substantial uncertainty. See also climate projection and climate prediction.

 

Pteropods Planktonic, small marine snails with swimming organs resembling wings.

 

Pure rate of time preference The degree to which consumption now is preferred to consumption one year later, with prices and incomes held constant, which is one component of the discount rate.

 

Radiative forcing Radiative forcing is the change in the net vertical irradiance (expressed in Watts per square metre; Wm–2) at the tropopause due to an internal or external change in the forcing of the climate system, such as a change in the concentration of CO2 or the output of the Sun.

 

Rangeland Unmanaged grasslands, shrublands, savannas and tundra.

 

Recalcitrant Recalcitrant organic material or recalcitrant carbon stocks resist decomposition.

 

Reference scenario Seebaseline/reference.

 

Reforestation Planting of forests on lands that have previously contained forests but that have been converted to some other use. For a discussion of the term forest and related terms such as afforestation, reforestation and deforestation, see the IPCC Special Report on Land Use, Land-Use Change, and Forestry (IPCC, 2000).

 

Reid’s paradox This refers to the apparent contradiction between inferences of high plant migration rates as suggested in the palaeo-record (particularly after the last Ice Age), and the low potential rates of migration that can be inferred through studying the seed dispersal of the plants involved, e.g., in wind-tunnel experiments.

 

Reinsurance The transfer of a portion of primary insurance risks to a secondary tier of insurers (reinsurers); essentially ‘insurance for insurers’.

 

Relative sea-level rise See sea-level rise.

 

Reservoir A component of the climate system, other than the atmosphere, that has the capacity to store, accumulate or release a substance of concern (e.g., carbon or a greenhouse gas). Oceans, soils, and forests are examples of carbon reservoirs. The term also means an artificial or natural storage place for water, such as a lake, pond or aquifer, from which the water may be withdrawn for such purposes as irrigation or water supply.

 

Resilience The ability of a social or ecological system to absorb disturbances while retaining the same basic structure and ways of functioning, the capacity for self-organisation, and the capacity to adapt to stress and change.

 

Respiration The process whereby living organisms convert organic matter to carbon dioxide, releasing energy and consuming oxygen.

 

Riparian Relating to or living or located on the bank of a natural watercourse (such as a river) or sometimes of a lake or a tidewater.

 

River discharge Water flow within a river channel, for example expressed in m3/s. A synonym for streamflow.

 

Runoff That part of precipitation that does not evaporate and is not transpired.

 

Salinisation The accumulation of salts in soils.

 

Salt-water intrusion / encroachment Displacement of fresh surface water or groundwater by the advance of salt water due to its greater density. This usually occurs in coastal and estuarine areas due to reducing land-based influence (e.g., either from reduced runoff and associated groundwater recharge, or from excessive water withdrawals from aquifers) or increasing marine influence (e.g., relative sea-level rise).

 

Savanna Tropical or sub-tropical grassland or woodland biomes with scattered shrubs, individual trees or a very open canopy of trees, all characterised by a dry (arid, semi-arid or semi-humid) climate.

 

Scenario A plausible and often simplified description of how the future may develop, based on a coherent and internally consistent set of assumptions about driving forces and key relationships. Scenarios may be derived from projections, but are often based on additional information from other sources, sometimes combined with a ‘narrative storyline’. See also climate (change) scenario, emissions scenario and SRES.

 

Sea-ice biome The biome formed by all marine organisms living within or on the floating sea ice (frozen sea water) of the polar oceans.)

 

Sea-level rise An increase in the mean level of the ocean. Eustatic sea-level rise is a change in global average sea level brought about by an increase in the volume of the world ocean. Relative sea-level rise occurs where there is a local increase in the level of the ocean relative to the land, which might be due to ocean rise and/or land level subsidence. In areas subject to rapid land-level uplift, relative sea level can fall.

 

Sea wall A human-made wall or embankment along a shore to prevent wave erosion.

 

Semi-arid regions Regions of moderately low rainfall, which are not highly productive and are usually classified as rangelands. ‘Moderately low’ is widely accepted as between 100 and 250 mm precipitation per year. See also arid region.

 

Sensitivity Sensitivity is the degree to which a system is affected, either adversely or beneficially, by climate variability or change. The effect may be direct (e.g., a change in crop yield in response to a change in the mean, range or variability of temperature) or indirect (e.g., damages caused by an increase in the frequency of coastal flooding due to sea-level rise).

 

Sequestration See carbon sequestration.

 

Silviculture Cultivation, development and care of forests.

 

Sink Any process, activity, or mechanism that removes a greenhouse gas, an aerosol, or a precursor of a greenhouse gas or aerosol from the atmosphere.

 

Snow water equivalent The equivalent volume/mass of water that would be produced if a particular body of snow or ice was melted.

 

Snowpack A seasonal accumulation of slow-melting snow.

 

Social cost of carbon The value of the climate change impacts from 1 tonne of carbon emitted today as CO2, aggregated over time and discounted back to the present day; sometimes also expressed as value per tonne of carbon dioxide.

 

Socio-economic scenarios Scenarios concerning future conditions in terms of population, Gross Domestic Product and other socio-economic factors relevant to understanding the implications of climate change.

See SRES (source: Chapter 6).

 

SRES The storylines and associated population, GDP and emissions scenarios associated with the Special Report on Emissions Scenarios (SRES) (Nakićenović et al., 2000), and the resulting climate change and sea-level rise scenarios. Four families of socio-economic scenario (A1, A2, B1 and B2) represent different world futures in two distinct dimensions: a focus on economic versus environmental concerns, and global versus regional development patterns.

 

Stakeholder A person or an organisation that has a legitimate interest in a project or entity, or would be affected by a particular action or policy.

 

Stock See reservoir.

 

Stratosphere Highly stratified region of atmosphere above the troposphere extending from about 10 km (ranging from 9 km in high latitudes to 16 km in the tropics) to about 50 km.

 

Streamflow Water flow within a river channel, for example, expressed in m3/s. A synonym for river discharge.

 

Sub-alpine The biogeographic zone below the tree line and above the montane zone that is characterised by the presence of coniferous forest and trees.

 

Succulent Succulent plants, e.g., cactuses, possessing organs that store water, thus facilitating survival during drought conditions.

 

Surface runoff The water that travels over the land surface to the nearest surface stream; runoff of a drainage basin that has not passed beneath the surface since precipitation.

 

Sustainable development Development that meets the cultural, social, political and economic needs of the present generation without compromising the ability of future generations to meet their own needs.

 

Taiga The northernmost belt of boreal forest adjacent to the Arctic tundra.

 

Thermal expansion In connection with sea-level rise, this refers to the increase in volume (and decrease in density) that results from warming water. A warming of the ocean leads to an expansion of the ocean volume and hence an increase in sea level.

 

Thermocline The region in the world’s ocean, typically at a depth of 1 km, where temperature decreases rapidly with depth and which marks the boundary between the surface and the ocean.

 

Thermohaline circulation (THC) Large-scale, density-driven circulation in the ocean, caused by differences in temperature and salinity. In the North Atlantic, the thermohaline circulation consists of warm surface water flowing northward and cold deepwater flowing southward, resulting in a net poleward transport of heat. The surface water sinks in highly restricted regions located in high latitudes. Also called meridional overturning circulation (MOC).

 

Thermokarst A ragged landscape full of shallow pits, hummocks and depressions often filled with water (ponds), which results from thawing of ground ice or permafrost. Thermokarst processes are the processes driven by warming that lead to the formation of thermokarst.

 

Threshold The level of magnitude of a system process at which sudden or rapid change occurs. A point or level at which new properties emerge in an ecological, economic or other system, invalidating predictions based on mathematical relationships that apply at lower levels.

 

Transpiration The evaporation of water vapour from the surfaces of leaves through stomata.

 

Tree line The upper limit of tree growth in mountains or high latitudes. It is more elevated or more poleward than the forest line.

 

Trophic level The position that an organism occupies in a food chain.

 

Trophic relationship The ecological relationship which results when one species feeds on another.

 

Troposphere The lowest part of the atmosphere from the surface to about 10 km in altitude in mid-latitudes (ranging from 9 km in high latitudes to 16 km in the tropics on average) where clouds and ‘weather’ phenomena occur. In the troposphere, temperatures generally decrease with height.

 

Tsunami A large wave produced by a submarine earthquake, landslide or volcanic eruption.

 

Tundra A treeless, level, or gently undulating plain characteristic of the Arctic and sub-Arctic regions characterised by low temperatures and short growing seasons.

 

Uncertainty An expression of the degree to which a value (e.g., the future state of the climate system) is unknown. Uncertainty can result from lack of information or from disagreement about what is known or even knowable. It may have many types of sources, from quantifiable errors in the data to ambiguously defined concepts or terminology, or uncertain projections of human behaviour. Uncertainty can therefore be represented by quantitative measures (e.g., a range of values calculated by various models) or by qualitative statements (e.g., reflecting the judgement of a team of experts). See also confidence and likelihood.

 

Undernutrition The temporary or chronic state resulting from intake of lower than recommended daily dietary energy and/or protein requirements, through either insufficient food intake, poor absorption, and/or poor biological use of nutrients consumed.

 

Ungulate A hoofed, typically herbivorous, quadruped mammal (including ruminants, swine, camel, hippopotamus, horse, rhinoceros and elephant).

 

United Nations Framework Convention on Climate Change (UNFCCC) The Convention was adopted on 9 May 1992, in New York, and signed at the 1992 Earth Summit in Rio de Janeiro by more than 150 countries and the European Community. Its ultimate objective is the ‘stabilisation of greenhouse gas concentrations in the atmosphere at a level that would prevent dangerous anthropogenic interference with the climate system’. It contains commitments for all Parties. Under the Convention, Parties included in Annex I aim to return greenhouse gas emissions not controlled by the Montreal Protocol to 1990 levels by the year 2000. The Convention entered in force in March 1994. See also Kyoto Protocol.

 

Upwelling region A region of an ocean where cold, typically nutrient-rich watersfrom the bottom of the ocean surface.

 

Urbanisation The conversion of land from a natural state or managed natural state (such as agriculture) to cities; a process driven by net rural-to-urban migration through which an increasing percentage of the population in any nation or region come to live in settlements that are defined as ‘urban centres’.

 

Vagile Able to migrate.

 

Vascular plants Higher plants with vascular, i.e., sap-transporting, tissues.

 

Vector A blood-sucking organism, such as an insect, that transmits a pathogen from one host to another. See also vector-borne diseases.

 

Vector-borne diseases Disease that are transmitted between hosts by a vector organism (such as a mosquito or tick); e.g., malaria, dengue fever and leishmaniasis.

 

Vernalisation The biological requirements of certain crops, such as winter cereals, which need periods of extreme cold temperatures before emergence and/or during early vegetative stages, in order to flower and produce seeds. By extension, the act or process of hastening the flowering and fruiting of plants by treating seeds, bulbs or seedlings with cold temperatures, so as to induce a shortening of the vegetative period.

 

Vulnerability Vulnerability is the degree to which a system is susceptible to, and unable to cope with, adverse effects of climate change, including climate variability and extremes. Vulnerability is a function of the character, magnitude, and rate of climate change and variation to which a system is exposed, its sensitivity, and its adaptive capacity.

 

Water consumption Amount of extracted water irretrievably lost during its use (by evaporation and goods production). Water consumption is equal to water withdrawal minus return flow.

 

Water productivity The ratio of crop seed produced per unit water applied. In the case of irrigation, see irrigation water-use efficiency. For rainfed crops, water productivity is typically 1 t/100 mm.

 

Water stress A country is water-stressed if the available freshwater supply relative to water withdrawals acts as an important constraint on development. Withdrawals exceeding 20% of renewable water supply have been used as an indicator of water stress. A crop is water-stressed if soil-available water, and thus actual evapotranspiration, is less than potential evapotranspiration demands.

 

Water-use efficiency Carbon gain in photosynthesis per unit water lost in evapotranspiration. It can be expressed on a short-term basis as the ratio of photosynthetic carbon gain per unit transpirational water loss, or on a seasonal basis as the ratio of net primary production or agricultural yield to the amount of available water.

 

Welfare An economic term used to describe the state of well-being of humans on an individual or collective basis. The constituents of well-being are commonly considered to include materials to satisfy basic needs, freedom and choice, health, good social relations, and security.

 

Wetland A transitional, regularly waterlogged area of poorly drained soils, often between an aquatic and a terrestrial ecosystem, fed from rain, surface water or groundwater. Wetlands are characterised by a prevalence of vegetation adapted for life in saturated soil conditions.

 

Yedoma Ancient organic material trapped in permafrost that is hardly decomposed.

 

Zoonoses Diseases and infections which are naturally transmitted between vertebrate animals and people.

 

Zooplankton The animal forms of plankton. They consume phytoplankton.

 

 

Here are some of the issues likely to get attention in the 114th Congress:

  • Keystone XL pipeline. Congressional leaders moved swiftly to approve the long-delayed Keystone XL pipeline. President Obama has promised to veto such legislation and continue the administrative process to determine the fate of the pipeline. Without an early legislative or administrative resolution, Keystone approval may continue to be the topic of amendments and debate throughout the session.
  • Energy efficiency legislation. Energy efficiency legislation has found widespread bipartisan support, even in partisan times. Senators Rob Portman (R-OH) and Jeanne Shaheen (D-NH) have introduced legislation to promote energy efficiency in the past several congresses only to see it held up for substantive and procedural reasons. Such legislation is likely to be taken up in this Congress.
  • Environmental Protection Agency regulations. As the Obama Administration continues developing court-mandated regulations of the power sector, opponents and supporters in Congress are likely to react  through standalone legislation, amendments, riders in the budget and appropriations process, or  the Congressional Review Act. At the forefront of the debate will be regulation of carbon dioxide emissions from new and existing power plants, which will be finalized by midsummer. Other regulations, such as tightened standards for ozone, regulations of methane emissions from oil and gas wells, and stricter fuel economy standards for large trucks and other heavy-duty vehicles, may also prompt reaction from Congress.
  • Transportation. Current authority to collect and spend gasoline tax revenues for highway and public transportation spending expires in May, and a new highway bill is a key order of business. Ongoing debate over whether to raise gasoline taxes, which affect energy use and emissions, will continue in this Congress. If gas prices stay low, longstanding opposition to an increase may soften.
  • Appropriations. Funding for federal agencies expires at the end of September. By then, Congress must approve new designated funding for agencies for the next fiscal year or approve a continuing resolution to keep the government operating at the same funding level. Congressional leadership has pledged to allow regular order in legislating appropriations bills for the first time in many years. Funding for Department of Energy research and investment programs on clean energy technologies; Environmental Protection Agency regulatory monitoring, enforcement, and voluntary programs; international climate finance funds; and other agency efforts related to climate change and clean energy will all be a part of the appropriations process. Some opponents of climate action have suggested targeting climate-related programs and regulations in the appropriations process by eliminating their funding or including policy riders.
  • Tax reform. Leadership of both parties in Congress and President Obama support significant reform of the tax code. Such a reform would necessarily affect tax incentives for various parts of the energy industry, including oil and enhanced oil recovery using man-made carbon dioxide, wind, and solar energy, as well as alternative fuel vehicles. A comprehensive discussion may also include the imposition of a price on carbon through the tax code.
  • Oversight and investigations. Congressional leadership has promised increased scrutiny of federal agency actions and policy through hearings and other types of oversight.

Other reading material:

Sustainable Development 2015  (aka Agenda 21)

 

Impacts of Climate-Related Geoengineering on Biological Diversity

 

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By The Truth Denied

Owner of controversial website The Truth Denied www.thetruthdenied.com and Chemtrails Kill. Journalist and video maker.

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