Science Topics term usage 2008-12-12

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.)

485	earthquakes
196	earthquake occurrences
166	volcanoes
87	maps and atlases
85	real-time monitoring and reporting
44	floods
41	climate change
40	USGS map servers
37	mineral resources
37	surface water (non-marine)
29	remote sensing
28	energy resources
28	water quality
27	ground water
22	droughts
21	avian influenza
20	contamination and pollution
19	earthquake probabilities
19	geospatial analysis
17	invasive species
15	seismology
14	environmental health (human)
13	geologic maps
13	human impacts
11	acid deposition
11	land use and land cover
11	California
10	surface water quality
10	hydrology
10	aerial photography
10	topography
10	endangered species
9	tsunamis
9	precipitation (atmospheric)
9	streamflow
9	volcanic activity
8	stream-gage measurement
8	snow and ice cover
8	health and disease
8	fires

Science Topics term usage Friday, 2008-12-12