Science Topics term usage 2008-04-01

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.)

459	earthquakes
212	earthquake occurrences
181	volcanoes
133	maps and atlases
102	real-time monitoring and reporting
76	floods
65	USGS map servers
59	mineral resources
58	energy resources
56	ground water
54	water quality
53	climate change
47	geospatial analysis
43	surface water (non-marine)
36	invasive species
34	droughts
34	avian influenza
31	remote sensing
30	contamination and pollution
27	fires
24	earth structure
20	oil resources
19	environmental health (human)
19	natural gas resources
18	acid deposition
17	magnetic field (earth)
16	earthquake probabilities
15	river systems
15	tectonic processes
14	seismology
14	human impacts
14	water supply and demand
13	endangered species
12	social sciences
12	streamflow
12	streams
12	stream-gage measurement
11	ground-water flow
11	global warming
11	hazards

Science Topics term usage Tuesday, 2008-04-01