USGS Thesaurus
Categories
Search
Topics
Themes, subjects, and concerns for which USGS information resources are relevant.
Subtopics:
Biological and physical processes
(2369 items)
Contamination and pollution
(29 items)
Culture and demographics
(2 items)
Earth characteristics
(3536 items)
Effects of climate change
(194 items)
Elements
(41 items)
Field monitoring stations
(92 items)
Hazards
(341 items)
Health and disease
(12 items)
Human impacts
(12 items)
Information system design and development
(124 items)
Land use and land cover
(56 items)
Map coordinate systems
(3 items)
Natural resource exploration
(2 items)
Natural resource extraction
(1 items)
Natural resources
(79 items)
Organism groupings (non-taxonomic)
(91 items)
Organisms
(149 items)
Population and community ecology
(567 items)
Water properties
(120 items)
Water quality
(97 items)
