Science Topics term usage 2008-01-21

This analysis excludes the activity of search-engine spiders, USGS users, and transactions resulting in errors.

(Table shows only the 40 most frequently chosen terms.)

94	United States
66	natural resource assessment
63	geographic information systems (GIS)
55	earthquakes
35	natural resources
30	maps and atlases
29	geologic processes
25	volcanoes
25	life sciences
24	animals
23	aquatic ecosystems
23	ecology
22	earth structure
19	field inventory and monitoring
19	geochemistry
19	organisms
18	earthquake occurrences
18	ground water
17	water resources
16	topography
16	ecosystems
16	geospatial datasets
15	organism groupings (non-taxonomic)
15	acid deposition
15	remote sensing
15	management methods
15	geography
14	climate change
14	ecological processes
14	gravitational field (earth)
14	human impacts
14	geology
14	tsunamis
14	energy resources
14	magnetic field (earth)
13	hydrologic processes
13	Nevada
13	mineral resources
13	biogeographic regions
13	ground-water flow

Science Topics term usage Monday, 2008-01-21