H
Data and Resources
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H horizon
These are layers dominated by organic material formed from accumulations of...
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Habitat
Part of an ecosystem with conditions in which an organism naturally occurs or...
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Habitat connectivity
Describes the spatial interlinkages between core areas of suitable habitat....
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Habitat ecosystem function
The ability of soil or soil materials to serve as a habitat for micro-...
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Habitat fragmentation
Alteration of habitat resulting in spatial separation of habitat units from a...
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Habitat loss
Habitat destruction: a process of land use change in which one habitat-type...
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Habitat/species management area
Category IV. Protected area managed mainly for conservation through...
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Haboob
An intense sand storm or dust storm caused by strong winds, often caused by...
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Hadley cell
A large-scale atmospheric convection cell in which air rises at the equator...
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Hazard
A potentially damaging physical event, phenomenon or human activity that may...
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Hazardous waste
Wastes that exhibit one or more hazardous characteristics, such as being...
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Headwater
The upper part of any flowing water near its source.
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Heat island
An area within an urban area characterized by ambient temperatures higher...
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Heavy clay
Soil texture class characterized by the following features: the soil can be...
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Heavy metals
A subset of elements that exhibit metallic properties, including transitional...
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Hedonic pricing
Derive an implicit price for an environmental good from the analysis of goods...
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Helminth
Worm-like parasites
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Heterogeneities
The quality or sate of being diverse in character or content.
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High conservation value
A concept used to prioritize conservation efforts.
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High seas
The oceans outside national jurisdictions, lying beyond each nation’s...
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Higher heating value
The total amount of heat that will be produced by combustion.
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Highly pathogenic avian influenza (HPAI)
A highly contagious disease caused by viruses that occur mainly in birds and...
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Highly salt-affected area
Salt patches on soil surface 10–50%.
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Histic H horizon
The histic horizon (from Gr. histos, tissue) is a surface horizon, or a...
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Hortic horizon
A hortic horizon (from Latin hortus, garden) is a mineral surface horizon...
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Host
An organism infected with or fed upon by a parasitic or pathogenic organism...
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Host plasticity
The ability of a virus to infect a diverse range of hosts, such as bats,...
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Host-specific
Documento oficial que autoriza la importación de un producto de conformidad...
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Hotspot analysis
Hotspot analysis aims to define areas of high occurrence versus areas of low...
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Human encroachment
Anthropogenic activities in otherwise natural areas, comprising of hunting,...
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Human Enteric Virus
A virus that replicates in the gastro-intestinal tract or in the liver and is...
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Human footprint
The impact of human activities measured in terms of the area of biologically...
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Human health
Health is a state of complete physical, mental and social well-being and not...
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Human T-cell Lymphotropic Virus (HTLV)
HTLV is a type of retrovirus that infects a type of white blood cell called a...
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Human well-being
The extent to which individuals have the ability to live the kinds of lives...
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Humic
Pertaining to or composed at least in part of organic material.
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Humic substance
Well-decomposed organic matter.
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Hybridization
The process of an animal or plant breeding with an individual of another...
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Hydragric horizon
A hydragric horizon (from Greek hydor, water, and Latin ager, field) is a...
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Hydraulic conductivity
A coefficient of proportionality describing the rate at which water can move...
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Hydraulic fracturing
The gas-fired plants come courtesy of the revolution in hydraulic fracturing...
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Hydrobiology
The study of life in aquatic habitats.
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Hydrochlorofluorocarbons (HCFCS)
Organic and human-made substances composed of hydrogen, chlorine, fluorine...
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Hydrologic
Associated with water bodies that dry out during some periods, including...
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Hydrological cycle
Succession of stages undergone by water in its passage from the atmosphere to...
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Hydrology
The science of water, its properties, and movement (cycling) over and under...
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Hydrometeorology
a branch of meteorology that deals with water in the atmosphere especially as...
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Hydrometry
Science and practice of measuring the components of the hydrological cycle,...
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Hydroponics
the process of growing plants in sand, gravel, or liquid, with added...
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Hypersaline water
Water with excessive or supersaturated salt content.
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Hypolimnion
The part of a lake below the thermocline made up of water that is stagnant...
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Hyposulfidic material
It is sulfidic material that is not capable of severe acidification resulting...
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Hypoxia
Lack of oxygen. In the context of eutrophication and algal blooms, hypoxia is...
Additional Info
| Field | Value |
|---|---|
| Source | https://wesr-staging.azurewebsites.net/glossary/ajax/ajax.searchbyindex.php?q=H |
| Author | UNEP GEO |
| Maintainer | UNEP GEO |
| Last Updated | January 26, 2023, 06:30 (UTC) |
| Created | September 13, 2022, 18:24 (UTC) |
| GUID | unep-geo-glossary-letter-h |
| Issued | 2022-08-31 13:46:24 |
| Language | en |
| Modified | 2022-11-09 17:41:18 |
| Publisher name | UNEP GEO |
| Theme | Glossary |
| data_type | webpage |
| spatial | Global |