Science Topics term usage 2011-12-01

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.)

639	earthquakes
195	earthquake occurrences
184	volcanoes
80	maps and atlases
58	real-time monitoring and reporting
58	groundwater
56	climate change
48	water quality
44	mineral resources
43	surface water (non-marine)
42	floods
34	geospatial analysis
34	contamination and pollution
32	map interfaces
29	human impacts
29	energy resources
28	avian influenza
27	invasive species
23	earthquake probabilities
22	topographic maps
21	remote sensing
20	droughts
18	environmental health (human)
16	tectonic processes
15	oil resources
14	microbiology
14	tsunamis
13	surface water quality
12	soil resources
12	hurricanes
12	seismology
12	geologic maps
11	fires
11	California
10	endangered species
10	acid deposition
10	volcanic activity
10	land use and land cover
10	earth structure
9	health and disease

Science Topics term usage Thursday, 2011-12-01