Science Topics term usage 2012-03-01

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.)

637	earthquakes
227	volcanoes
216	earthquake occurrences
98	real-time monitoring and reporting
89	maps and atlases
87	groundwater
71	contamination and pollution
69	water quality
67	surface water (non-marine)
64	map interfaces
63	energy resources
60	mineral resources
57	climate change
50	remote sensing
45	floods
41	geospatial analysis
35	invasive species
35	droughts
35	environmental health (human)
29	avian influenza
29	microbiology
26	fires
26	topographic maps
24	earthquake probabilities
23	natural gas resources
18	oil resources
18	groundwater quality
17	health and disease
17	volcanic activity
16	tectonic processes
14	water chemistry
14	hydrology
14	geologic maps
14	tsunamis
13	surface water quality
13	ocean characteristics
12	acid deposition
12	hydrogeology
12	ocean processes
12	natural resources

Science Topics term usage Thursday, 2012-03-01