Science Topics term usage 2009-04-14

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.)

722	earthquakes
318	earthquake occurrences
276	volcanoes
152	maps and atlases
77	real-time monitoring and reporting
70	climate change
62	floods
52	USGS map servers
52	topographic maps
49	mineral resources
45	energy resources
39	water quality
38	geologic maps
37	ground water
37	contamination and pollution
35	invasive species
35	remote sensing
35	earthquake probabilities
33	avian influenza
32	surface water (non-marine)
31	droughts
26	environmental health (human)
23	geospatial analysis
23	fires
19	land use and land cover
17	river systems
17	health and disease
16	acid deposition
16	animals
14	seismology
14	life sciences
14	human impacts
12	surface water quality
11	global warming
11	oil resources
11	ground-water flow
11	metallic ores
10	volcanic activity
10	aerial photography
10	aquatic ecosystems

Science Topics term usage Tuesday, 2009-04-14