T
Data and Resources
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Taiga
Coniferous forests of northern North America and Eurasia.
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Takyric horizon
Surface crust with very hard consistence when dry, and very plastic and...
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Taxon
A scientifically classified group or entity; a taxonomic unit (such as genus,...
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Taxonomy
A system of nested categories (taxa) reflecting evolutionary relationships or...
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Technical mitigation potential
Such potential is estimated for given scenarios assuming full implementation...
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Technogarden
The TechnoGarden scenario depicts a globally connected world relying strongly...
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Technology
Physical artefacts or the bodies of knowledge of which they are an...
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Technology transfer
A broad set of processes covering the flows of know-how, experience and...
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Technosol
Technosols combine soils whose properties and pedogenesis are dominated by...
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Temperate region
The region in which the climate undergoes seasonal change in temperature and...
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Terric horizon
A terric horizon (from Latin terra, earth) develops through addition of...
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Theory of change
A theory of change is a method that explains how a given intervention, or set...
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Thermohaline circulation (THC)
Large-scale density-driven circulation in the ocean, caused by differences in...
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Thermokarst
Land-surface configuration that results from the melting of ground ice in a...
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Thin-film solar panel
A type of device that is designed to convert light energy into electrical...
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Thionic horizon
A thionic horizon (from Greek theion, sulfur) is an extremely acid subsurface...
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Threatened species
A species that is likely to become endangered within the foreseeable future,...
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Threshold
The level of magnitude of a system process at which sudden or rapid change...
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Tillage erosion
The detachment, transport, and resultant displacement of soil by tillage...
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Tillage erosivity
A function of both physical and human factors such as implement...
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Tipping bucket
A device used for the measurement of discharge and suspended sediment at...
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Tipping point
The critical point in an evolving situation that leads to a new and sometimes...
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Top-down
used to refer to a situation in which decisions are made by a few people in...
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Topographic wetness index
TWI, also known as the compound topographic index (CTI), is a steady state...
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Topography
The study or detailed description of the surface features of a region.
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Topsoil
A non-scientific term used to describe organically enriched surface soil...
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Total maximum daily load
A Total Maximum Daily Load, or TMDL, is a calculation of the maximum amount...
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Total organic carbon
The amount of carbon bound in an organic compound and material derived from...
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Traditional custodian
The group, clan or community of people, or an individual who is recognized by...
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Traditional or local ecological knowledge
A cumulative body of knowledge, know-how, practices or representations...
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Traditional territory
Lands and waters traditionally occupied or used by indigenous peoples and...
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Trafficking in persons
The recruitment, transportation, transfer, harbouring or receipt of persons,...
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Transborder pollution
The situation that arises when polluting atmospheric emissions or toxic...
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Transboundary protected area
A component of a large ecological region that straddles the boundaries of two...
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Transfer renewable energy and efficiency project
Renewable energy has also been a visible component in Germany’s efforts in...
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Transformation
State of being transformed. In the context of GEO-5, transformation refers to...
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Transformational change
The process whereby positive development results are achieved and sustained...
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Transformative pedagogy
A progressive educational approach that includes democratic constructivist-...
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Transformative social protection
Social protection can be affordable; it should extend to all of the...
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Transitions
Non-linear, systematic and fundamental changes of the composition and...
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Transpiration
The loss of water vapour from parts of plants, especially in leaves but also...
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Tree-covered area
A land cover class that includes any geographic area dominated by natural...
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Trillion
1012 (1 000 000 000 000).
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Triple divide
The triple divide consists of the digital divide, the rural divide and the...
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Trophic level
Successive stages of nourishment as represented by the links of the food...
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Tropospheric ozone
Ozone at the bottom of the atmosphere, and the level at which humans, crops...
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Turbidity
Referring to the disturbance or reduction in light transmittance in water...
Additional Info
| Field | Value |
|---|---|
| Source | https://wesr-staging.azurewebsites.net/glossary/ajax/ajax.searchbyindex.php?q=T |
| Author | UNEP GEO |
| Maintainer | UNEP GEO |
| Last Updated | January 26, 2023, 06:39 (UTC) |
| Created | September 13, 2022, 18:33 (UTC) |
| GUID | unep-geo-glossary-letter-t |
| Issued | 2022-09-03 10:34:56 |
| Language | en |
| Modified | 2022-11-09 17:41:18 |
| Publisher name | UNEP GEO |
| Theme | Glossary |
| data_type | webpage |
| spatial | Global |