Science Topics term usage 2008-12-05

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.)

388	earthquakes
165	volcanoes
142	earthquake occurrences
98	maps and atlases
75	climate change
58	mineral resources
57	water quality
55	USGS map servers
49	real-time monitoring and reporting
47	floods
46	energy resources
38	contamination and pollution
36	ground water
36	surface water (non-marine)
34	droughts
32	geospatial analysis
31	remote sensing
26	invasive species
24	avian influenza
22	fires
21	environmental health (human)
19	volcanic activity
19	acid deposition
17	seismology
16	surface water quality
15	aerial photography
14	earthquake probabilities
14	land use and land cover
14	natural gas resources
14	ground-water quality
14	animals
13	coal resources
13	hydrology
13	oil resources
12	global warming
12	impact cratering
12	erosion
11	USGS budget
10	bathymetry
10	magnetic field (earth)

Science Topics term usage Friday, 2008-12-05