Science Topics term usage 2012-04-23

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.)

2580	earthquakes
1144	earthquake occurrences
254	volcanoes
111	maps and atlases
110	real-time monitoring and reporting
71	groundwater
61	climate change
60	mineral resources
52	earthquake probabilities
50	surface water (non-marine)
49	water quality
45	energy resources
41	map interfaces
40	droughts
38	floods
33	seismology
32	avian influenza
31	topographic maps
31	contamination and pollution
30	geospatial analysis
30	invasive species
29	remote sensing
24	oil resources
21	volcanic activity
20	tsunamis
20	geologic maps
18	microbiology
17	tectonic processes
16	environmental health (human)
16	fires
16	California
15	metallic ores
15	human impacts
13	hydrology
12	life sciences
11	erosion
11	animals
11	land use and land cover
11	effects of climate change
10	magnetic field (earth)

Science Topics term usage Monday, 2012-04-23