Science Topics term usage 2007-07-10

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.)

95	geographic information systems (GIS)
49	field sampling
49	earthquakes
34	volcanoes
19	earthquake occurrences
17	earth structure
17	geologic structure
16	contamination and pollution
16	water quality
16	tectonic processes
14	climate change
14	remote sensing
14	maps and atlases
13	water sampling
13	magnetic field (earth)
12	aquatic ecosystems
12	acid deposition
11	streamflow
11	aerial photography
11	floods
11	human impacts
11	ocean waves
10	mineral resources
10	geologic history
9	hazards
9	tsunamis
9	aquifers
8	fires
8	rocks and deposits
8	oil resources
8	biodiversity
8	earthquake probabilities
8	map coordinate systems
8	river systems
8	field methods
8	animals
8	endangered species
8	cartography
8	bathymetry
8	water use

Science Topics term usage Tuesday, 2007-07-10