Science Topics term usage 2013-02-07

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.)

730	earthquakes
242	earthquake occurrences
158	volcanoes
44	maps and atlases
42	climate change
42	real-time monitoring and reporting
38	remote sensing
34	groundwater
34	mineral resources
32	land use and land cover
31	floods
29	energy resources
26	microbiology
25	geospatial analysis
24	surface water (non-marine)
24	ecology
23	ocean characteristics
23	human impacts
21	earthquake probabilities
21	water quality
19	tsunamis
17	tectonic processes
17	erosion
17	droughts
16	avian influenza
16	aerial photography
16	map interfaces
16	natural resources
15	contamination and pollution
15	drainage basins
15	life sciences
15	invasive species
14	fires
13	endangered species
12	topographic maps
12	geologic maps
11	volcanic eruption prediction
11	environmental health (human)
11	employment and volunteer opportunities
10	sediment transport

Science Topics term usage Thursday, 2013-02-07