USAID thesaurus
Toggle navigation
Home
Advanced search
About...
My account
Earth sciences
Home
Science
Earth sciences
Term
Metadata
Earth sciences
Broader Terms
BT
↑
Science
More specific terms
NT2
↓
Geology
►
▼
NT3
↓
Geochemistry
►
▼
NT4
↓
Soil chemistry
►
▼
NT5
↓
Soil acidity
NT5
↓
Soil chemical processes
NT5
↓
Soil salinity
NT3
↓
Geological maps
NT3
↓
Geological research
NT3
↓
Geological surveys
NT3
↓
Hydrogeology
NT3
↓
Land elevation
NT3
↓
Mineralogy
►
▼
NT4
↓
Mineral deposits
►
▼
NT5
↓
Fossil fuel deposits
NT4
↓
Mineral oils
►
▼
NT5
↓
Petroleum
►
NT4
↓
Minerals
►
▼
NT5
↓
Metalliferous minerals
►
NT5
↓
Nonmetalliferous minerals
►
NT3
↓
Sedimentology
►
▼
NT4
↓
Marine sediments
NT3
↓
Stratigraphy
NT2
↓
Geophysics
►
▼
NT3
↓
Seismology
NT2
↓
Hydrology
►
▼
NT3
↓
Hydrobiology
►
▼
NT4
↓
Freshwater biology
NT4
↓
Marine biology
NT3
↓
Hydrologic cycle
NT3
↓
Hydrology research
►
▼
NT4
↓
Hydrological surveys
NT3
↓
Water
NT3
↓
Water analysis
NT3
↓
Water balance
►
▼
NT4
↓
Drought
NT4
↓
Floods
NT4
↓
Water table
NT3
↓
Water chemistry
NT3
↓
Water flow
►
▼
NT4
↓
Discharge
NT4
↓
Drainage
►
▼
NT5
↓
Drainage basins
NT5
↓
Runoff
NT5
↓
Watersheds
NT4
↓
Percolation
NT4
↓
Salt water intrusion
NT3
↓
Water loss (hydrology)
►
▼
NT4
↓
Water evaporation
NT4
↓
Water leakage
NT4
↓
Water seepage
NT3
↓
Water quality
►
▼
NT4
↓
Brackish water
NT4
↓
Freshwater
NT4
↓
Potable water
NT4
↓
Rain water
NT4
↓
Saline water
►
▼
NT5
↓
Sea water
NT3
↓
Water sources
►
▼
NT4
↓
Drainage
►
▼
NT5
↓
Drainage basins
NT5
↓
Runoff
NT5
↓
Watersheds
NT4
↓
Groundwater
NT4
↓
Precipitation (meteorology)
►
▼
NT5
↓
Rain
NT5
↓
Snow
NT4
↓
Snowmelt
NT4
↓
Springs (water)
NT4
↓
Surface water
NT3
↓
Water supply
NT2
↓
Meteorology
►
▼
NT3
↓
Agrometeorology
NT3
↓
Atmospheric physics
►
▼
NT4
↓
Atmospheric circulation
►
▼
NT5
↓
Wind
►
NT4
↓
Atmospheric condensation
►
▼
NT5
↓
Clouds
NT5
↓
Frost
NT5
↓
Precipitation (meteorology)
►
NT4
↓
Atmospheric disturbances
►
▼
NT5
↓
Lightning
NT5
↓
Storms
►
NT4
↓
Atmospheric pressure
NT4
↓
Atmospheric radiation
►
▼
NT5
↓
Daylight
NT5
↓
Solar radiation
►
NT3
↓
Climatology
►
▼
NT4
↓
Bioclimatology
NT4
↓
Climate
►
▼
NT5
↓
Climate change
►
NT4
↓
Climatic zones
►
▼
NT5
↓
Arid zone
NT5
↓
Cold zone
NT5
↓
Humid zone
NT5
↓
Semiarid zone
NT5
↓
Subtropical zone
NT5
↓
Temperate zone
NT5
↓
Tropical zone
NT4
↓
Global climate change
NT4
↓
Seasons
►
▼
NT5
↓
Cold season
NT5
↓
Dry season
NT5
↓
Rainy season
NT5
↓
Seasonal variations
NT5
↓
Warm season
NT3
↓
Weather
►
▼
NT4
↓
Dry weather
►
▼
NT5
↓
Drought
NT4
↓
Rainfall distribution
NT4
↓
Rainfall intensity
NT4
↓
Weather forecasting
NT4
↓
Weather modification
NT2
↓
Oceanography
►
▼
NT3
↓
Continental shelves
►
▼
NT4
↓
Reefs
►
▼
NT5
↓
Artificial reefs
NT5
↓
Coral reefs
NT3
↓
Marine biology
NT3
↓
Ocean tides
NT3
↓
Oceanography research
NT3
↓
Sea beds
NT3
↓
Tidal waves
NT2
↓
Soil sciences
►
▼
NT3
↓
Soil chemistry
►
▼
NT4
↓
Soil acidity
NT4
↓
Soil chemical processes
NT4
↓
Soil salinity
NT3
↓
Soil depletion
►
▼
NT4
↓
Soil erosion
NT4
↓
Soil pollution
NT4
↓
Soil profiles
NT4
↓
Soil saturation
NT4
↓
Soil surveys
NT3
↓
Soil fertility
►
▼
NT4
↓
Soil nutrient content
►
▼
NT5
↓
Soil mineral content
NT3
↓
Soil mechanics
NT3
↓
Soil microorganisms
NT3
↓
Soil physiochemical properties
►
▼
NT4
↓
Soil moisture
NT4
↓
Soil organic matter
►
▼
NT5
↓
Humus
NT4
↓
Soil porosity
NT4
↓
Soil structure
NT4
↓
Soil texture
NT3
↓
Soil research
►
▼
NT4
↓
Soil analysis
►
▼
NT5
↓
Soil profiles
NT5
↓
Soil surveys
NT4
↓
Soil depletion
►
▼
NT5
↓
Soil erosion
NT5
↓
Soil pollution
NT5
↓
Soil profiles
NT5
↓
Soil saturation
NT5
↓
Soil surveys
NT3
↓
Soil types
►
▼
NT4
↓
Anthropogenic soil types
►
▼
NT5
↓
Paddy soils
NT5
↓
Reclaimed soils
►
NT5
↓
Roadside soils
NT4
↓
Chemical soil types
►
▼
NT5
↓
Acid soils
NT5
↓
Alkaline soils
NT5
↓
Calcareous soils
NT5
↓
Gypsiferous soils
NT5
↓
Mineral soils
NT5
↓
Peat soils
NT5
↓
Saline soils
NT5
↓
Sodic soils
NT4
↓
Climatic soils
►
▼
NT5
↓
Arid soils
NT5
↓
Desert soils
NT5
↓
Frigid soils
NT5
↓
Tropical soils
NT4
↓
Cultural soil types
►
▼
NT5
↓
Arable soils
NT5
↓
Forest soils
NT5
↓
Grassland soils
NT5
↓
Greenhouse soils
NT5
↓
Horticultural soils
NT5
↓
Irrigated soils
NT5
↓
Saturated soils
NT5
↓
Subsoil
NT5
↓
Topsoil
NT4
↓
Ecological soil types
►
▼
NT5
↓
Bog soils
NT5
↓
Forest soils
NT5
↓
Grassland soils
NT5
↓
Rangeland soils
NT5
↓
Scrubland soils
NT5
↓
Swamp soils
NT5
↓
Wetland soils
NT4
↓
Eroded soils
NT4
↓
Genetic soil types
►
▼
NT5
↓
Acrisols
NT5
↓
Andosols
NT5
↓
Arenasols
NT5
↓
Cambisols
NT5
↓
Chernozems
NT5
↓
Ferralsols
NT5
↓
Fluvisols
NT5
↓
Gleysols
NT5
↓
Greyzems
NT5
↓
Histosols
NT5
↓
Lithosols
NT5
↓
Nitosols
NT5
↓
Phaeozems
NT5
↓
Planosols
NT5
↓
Podzols
NT5
↓
Rankers
NT5
↓
Regosols
NT5
↓
Rendzinas
NT5
↓
Solonchaks
NT5
↓
Solonetz
NT5
↓
Vermosols
NT5
↓
Vertisols
NT5
↓
Xerosols
NT4
↓
Layered soils
NT4
↓
Lithological soil types
►
▼
NT5
↓
Alluvial soils
NT5
↓
Basaltic soils
NT5
↓
Calcareous soils
NT5
↓
Chalk soils
NT5
↓
Clay soils
NT5
↓
Granite soils
NT5
↓
Gypsiferous soils
NT5
↓
Loess soils
NT5
↓
Sandy soils
NT5
↓
Schist soils
NT5
↓
Shale soils
NT5
↓
Volcanic soils
NT4
↓
Physiographic soil types
►
▼
NT5
↓
Bottomland soils
NT5
↓
Coastal soils
NT5
↓
Delta soils
NT5
↓
Dune soils
NT5
↓
Hill soils
NT5
↓
Moraine soils
NT5
↓
Mountain soils
NT5
↓
Upland soils
NT4
↓
Structural soil types
►
▼
NT5
↓
Claypan soils
NT5
↓
Dispersive soils
NT4
↓
Textural soil types
►
▼
NT5
↓
Clay soils
NT5
↓
Loam soils
NT5
↓
Sandy soils
NT5
↓
Silty soils
NT5
↓
Stony soils
ExactMatch:
http://vocabulary.semantic-web.at/USAID-thesaurus/fd858ab5-102a-485c-9944-c59195201c41
Date of creation
23-Oct-2015
Accepted term
23-Oct-2015
Descendant terms
210
ARK
ark:/99152/t3e23jzv8k1n7y
More specific terms
6
Alternative terms
0
Related terms
0
Notes
0
Metadata
BS8723-5
DC
MADS
SKOS-Core
VDEX
XTM
Zthes
JSON
JSON-LD
Search