Science Topics term usage 2009-06-16

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.)

448	earthquakes
185	earthquake occurrences
143	volcanoes
115	maps and atlases
84	real-time monitoring and reporting
70	floods
69	climate change
60	USGS map servers
53	ground water
53	energy resources
51	surface water (non-marine)
47	mineral resources
47	water quality
46	remote sensing
36	geospatial analysis
34	droughts
33	contamination and pollution
31	invasive species
28	topographic maps
23	avian influenza
23	environmental health (human)
22	geologic maps
21	earthquake probabilities
17	fires
14	land use and land cover
13	surface water quality
10	earth structure
10	rocks and deposits
10	seismology
9	natural gas resources
9	magnetic field (earth)
9	oil resources
9	human impacts
8	social sciences
8	volcanic activity
8	stream discharge
8	topics
8	water supply and demand
8	ground-water flow
8	hydrology

Science Topics term usage Tuesday, 2009-06-16