Science Topics term usage 2011-04-15

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.)

1227	earthquakes
362	earthquake occurrences
217	volcanoes
97	maps and atlases
78	real-time monitoring and reporting
49	mineral resources
47	floods
47	surface water (non-marine)
45	climate change
45	groundwater
43	earthquake probabilities
38	geospatial analysis
36	energy resources
35	map interfaces
34	water quality
27	remote sensing
26	contamination and pollution
25	topographic maps
25	droughts
22	invasive species
21	environmental health (human)
19	avian influenza
18	tsunamis
18	seismology
17	fires
16	volcanic activity
15	microbiology
12	river systems
12	hydrogeology
11	tectonic processes
10	geochemistry
9	topics
9	human impacts
8	geologic maps
8	health and disease
8	stream discharge
8	natural resource assessment
8	oil resources
7	hydrology
7	soil resources

Science Topics term usage Friday, 2011-04-15