C
Data and Resources
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C horizon
The soil layer lying beneath the B horizon and consisting essentially of more...
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Cadastre
A register of property showing the extent, value, and ownership of land for...
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calcaric material
Calcaric material (from Latin calcarius, containing lime) refers to material...
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calcic horizon
The calcic horizon (from L. calx, lime) is a horizon in which secondary...
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calcification
The process or processes of soil formation in which the surface soil is kept...
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cambic horizon
The cambic horizon (from L. cambiare, to change) is a subsurface horizon...
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Campylobacter bacteria
One of four key global causes of diarrhoeal diseases and considered the most...
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Cancun pledge
During 2010, many countries submitted their existing plans for controlling...
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Cap and trade (system)
A regulatory or management system that sets a target level for emissions or...
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Capacity development
The process through which individuals, organizations and societies obtain,...
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capillary water
Moisture held in the tiny spaces between soil particles after the...
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Capital
Resource that can be mobilized in the pursuit of an individual’s goals. Thus,...
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Carbon dioxide emission budget (or carbon budget)
For a given temperature rise limit, for example a 1.5°C or 2°C long-term...
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Carbon dioxide equivalent (co2-equivalent or co2e)
The universal unit of measurement used to indicate the global warming...
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carbon dioxide removal
Refers to a set of techniques that aim to remove CO2 directly from the...
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Carbon fertilization
The CO2 fertilization effect begins with enhanced photosynthetic CO2...
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Carbon intensity
The amount of emissions of CO2 released per unit of another variable such as...
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carbon market
A trading system through which countries may buy or sell units of greenhouse-...
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Carbon offset
Any activity that compensates for the emission of CO2 or other greenhouse...
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Carbon price
The price for avoided or released CO2 or CO2e emissions. This may refer to...
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carbon pricing
Initiatives that put an explicit price on greenhouse gas emissions, i.e. a...
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Carbon sequestration
The long-term storage of carbon in plants, soils, geologic formations, and...
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Carbon sink
A reservoir that absorbs or takes up released carbon from another part of the...
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Carbon stock
The quantity of carbon contained in a “pool”, meaning a reservoir or system...
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Carbon tax
A levy on the carbon content of fossil fuels. Because virtually all of the...
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carbonate rock
Any rock composed mainly of carbonate minerals. The principal members of the...
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caregiver
Caregivers provide assistance to other people who because of physical...
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carrying capacity
Maximum population that a given ecosystem can support indefinitely under a...
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catchment area
An area characterized by all runoff being conveyed to the same outlet.; An...
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category endpoint
Attribute or aspect of natural environment, human health, or resources,...
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cation exchange capacity
The capacity of a soil or any other substance with negatively charged...
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cementation
During the process of compaction the minerals in the rock are dissolving....
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Chagas disease
Also known as American trypanosomiasis: A potentially life-threatening...
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characterization factor
Factor derived from a characterization model which is applied to convert an...
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charcoal productivity
When statistically recording the conversion from fuelwood (or woodfuels) to...
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chelate
(1) A cation bound to an organic molecule through electron pair donation from...
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chemical fertility
It is due to SOM content, pH, cationic exchange capacity, availability of key...
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chernic horizon
A chernic horizon (from Russian chorniy, black) is a relatively thick, well-...
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child marriage
The union of two persons at least one of whom is under 18 years of age.
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chlorination
Adding chlorine to an irrigation system to counteract clogging caused by...
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chlorine water
An aqueous solution of chlorine used as a bleaching or sterilizing agent.
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city-region
An urban development on a massive scale: a major city that expands beyond...
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clay soil
Soil with very small, flat particles that tend to pack together tighly.
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Climate change
A change of climate which is attributed directly or indirectly to human...
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Climate crisis (or climate emergency)
A situation in which urgent action is required to reduce or halt climate...
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Climate-Smart Agriculture approach
Approach that helps to guide actions needed to transform and reorient...
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climax
(1) The highest or most intense point in the development or resolution of...
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cloning
The process of generating a genetically identical copy of a cell or an organism.
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closure zone
In the case where an existing bottom fishing areas square would overlap with...
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Co-morbidities
More than one disease/condition present in an individual at the same time....
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coarse and woody debris
Sound and rotting logs and stumps, and coarse roots in all stages of decay,...
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Coastal area
In general, a geographical area of land and water along the coast, affected...
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coastal planning
Coastal and Marine Spatial Planning (CMSP) is about proper use and management...
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coastal zone
The geomorphologic area either side of the seashore, in which the interaction...
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coastline
The land along the edge of a coast, forming a boundary between the land and...
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collinearity
It is a phenomenon in which two or more predictors in a multiple regression...
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colluvial deposit
The name for loose bodies of sediment that has been deposited or built up at...
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colluvic material
It is a heterogeneous mixture of material that, by gravitational action, has...
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colony-forming unit
A compact mass of bacteria usually derived by vegetative multiplication of a...
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combined sewer overflow
Sewers that are designed to collect rainwater runoff, domestic sewage, and...
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combined water
Water attached to soil minerals by means of chemical bonds.
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community-based natural resource management
(1) Management of local natural resources by, with and for members of the...
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comparative assertion
Environmental claim regarding the superiority or equivalence of one product...
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complementarity
Funding principle according to which funded activities must be coherent with...
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confined water
Groundwater that is under sufficient pressure to rise above the level at...
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consumer waste
Materials purchased, used and discarded by the buyer, or consumer, as opposed...
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contaminant (of soils)
Substance or agent present in the soil as a result of human activity.
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contingent valuation method
This method is the only method which is used for the non-use value. For the...
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continuous hard rock
The material underlying the soil, exclusive of cemented pedogenetic horizons...
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controlled drainage
The operation of a water table management system with water table control...
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conventional drainage
Subsurface drainage without water table control structures.
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conventional gap
The conventional gap is the difference between the total and advanced...
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convertible terrace
These are bench terraces which alternate with the original slope and are used...
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coordinate reference system
System for uniquely referencing spatial information in space as a set of...
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coprogenous earth
Organic materials deposited under water and dominated by faecal material from...
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coral bleaching
The paling in color of corals resulting from a loss of symbiotic algae....
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Coronavirus disease 2019
Illness caused by a novel coronavirus, ‘severe acute respiratory syndrome...
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Coronavirus OC43
Human coronaviruses (named for the crown-like spikes on their surface) were...
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Crimean Congo haemorrhagic fever (CCHF)
A viral haemorrhagic fever usually transmitted by ticks. It can also be...
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critical habitat
Geographic area containing physical or biological features essential to the...
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critical path method
A way of planning the operations needed to complete a land-use planning...
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critically endangered
A taxon is critically endangered when the best available evidence indicates...
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cross-drain
A culvert, pipe or shallow channel laid diagonally across the surface of a...
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crossover
(1) The portion of a river between bends, in one of which flow is clockwise...
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crusting
A local phenomenon at the surface of the soil that results in a thin...
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cryic horizon
A cryic horizon (from Greek kryos, cold, ice) is a perennially frozen soil...
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cultivated grassland
Forage established with domesticated introduced or indigenous species that...
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cultural heritage
It includes the physical (tangible) and/or non-physical (intangible)...
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cybertaxonomy
It is a contraction of "cyber-enabled taxonomy". It shares the traditional...
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Cysticercosis
A parasitic tissue infection caused by larval cysts of the tapeworm Taenia...
Additional Info
| Field | Value |
|---|---|
| Source | https://wesr-staging.azurewebsites.net/glossary/ajax/ajax.searchbyindex.php?q=C |
| Author | UNEP GEO |
| Maintainer | UNEP GEO |
| Last Updated | January 26, 2023, 06:23 (UTC) |
| Created | September 13, 2022, 18:18 (UTC) |
| GUID | unep-geo-glossary-letter-c |
| Issued | 2022-07-04 17:16:49 |
| Language | en |
| Modified | 2022-11-09 17:41:18 |
| Publisher name | UNEP GEO |
| Theme | Glossary |
| data_type | webpage |
| spatial | Global |