Science Topics term usage 2006-06-22

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.)

158	earthquakes
73	geographic information systems (GIS)
66	volcanoes
34	real-time monitoring and reporting
33	earthquake occurrences
30	mineral resources
26	energy resources
26	earthquake probabilities
26	surface water (non-marine)
25	ground water
24	earth structure
23	water supply and demand
23	tectonic processes
23	biogeography
19	water quality
19	streamflow
18	stream-gage measurement
17	aerial photography
17	acid deposition
17	climate change
16	ground-water flow
16	magnetic field (earth)
15	landslides
14	contamination and pollution
14	ecosystems
14	oil resources
14	maps and atlases
14	water resources
14	hydrology
14	animals
13	planetary bodies
13	remote sensing
13	water use
12	geochemistry
11	snow and ice cover
10	geologic structure
10	mathematical modeling
10	vertebrates
10	human impacts
10	droughts

Science Topics term usage Thursday, 2006-06-22