Science Topics term usage 2009-05-27

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.)

543	earthquakes
253	earthquake occurrences
127	maps and atlases
111	volcanoes
78	real-time monitoring and reporting
57	USGS map servers
54	mineral resources
53	topographic maps
42	climate change
39	water quality
37	floods
37	surface water (non-marine)
35	geospatial analysis
33	contamination and pollution
32	droughts
31	energy resources
30	ground water
28	remote sensing
24	invasive species
23	geologic maps
22	avian influenza
18	health and disease
16	fires
16	human impacts
16	animals
14	environmental health (human)
14	earthquake probabilities
13	seismology
11	soil resources
10	desert ecosystems
9	earth structure
9	tectonic processes
9	endangered species
8	stream-gage measurement
8	hydrology
8	life sciences
8	river systems
7	streamflow
7	erosion
7	acid deposition

Science Topics term usage Wednesday, 2009-05-27