Science Topics term usage 2005-07-13

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.)

137	earthquakes
76	volcanoes
60	geographic information systems (GIS)
44	mineral resources
28	surface water (non-marine)
26	water quality
25	energy resources
24	tectonic processes
23	ground water
21	tsunamis
20	climate change
19	streamflow
19	earth structure
19	geochemistry
15	maps and atlases
15	ground-water flow
14	geologic structure
14	rocks and deposits
13	floods
12	aerial photography
12	geologic history
12	wildlife
12	erosion
11	magnetic field (earth)
11	contamination and pollution
11	remote sensing
11	storms
10	animals
10	landslides
9	land use and land cover
9	natural gas resources
9	real-time monitoring and reporting
9	acid deposition
9	stratigraphy
9	water resources
8	geospatial analysis
8	ecosystems
8	mathematical modeling
8	biodiversity
8	glaciation

Science Topics term usage Wednesday, 2005-07-13