Science Topics term usage 2009-03-03

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.)

466	earthquakes
255	volcanoes
183	earthquake occurrences
137	maps and atlases
98	energy resources
72	mineral resources
64	real-time monitoring and reporting
60	climate change
59	USGS map servers
57	ground water
55	contamination and pollution
54	topographic maps
52	floods
49	water quality
45	droughts
45	surface water (non-marine)
43	geospatial analysis
37	remote sensing
33	avian influenza
28	oil resources
26	invasive species
25	environmental health (human)
25	fires
24	geologic maps
19	health and disease
17	ecosystems
17	acid deposition
16	erosion
16	animals
16	tectonic processes
15	tsunamis
15	social sciences
14	human impacts
14	earth structure
14	global change
14	endangered species
13	ground-water flow
13	topics
12	desert ecosystems
11	hydrogeology

Science Topics term usage Tuesday, 2009-03-03