Science Topics term usage 2009-04-08

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.)

1201	earthquakes
558	earthquake occurrences
360	volcanoes
135	maps and atlases
93	real-time monitoring and reporting
70	floods
69	climate change
60	USGS map servers
55	energy resources
54	ground water
51	mineral resources
50	avian influenza
49	geospatial analysis
49	water quality
47	remote sensing
47	earthquake probabilities
45	topographic maps
44	surface water (non-marine)
42	contamination and pollution
37	droughts
36	invasive species
35	environmental health (human)
34	seismology
27	ground-water quality
23	fires
21	geologic maps
20	health and disease
18	hazards
16	human impacts
15	tectonic processes
15	global warming
14	volcanic activity
13	endangered species
13	magnetic field (earth)
13	surface water quality
12	acid deposition
12	land use and land cover
12	oil resources
11	California
11	biodiversity

Science Topics term usage Wednesday, 2009-04-08