Science Topics term usage 2008-09-25

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.)

455	earthquakes
173	earthquake occurrences
158	volcanoes
125	maps and atlases
70	real-time monitoring and reporting
69	climate change
66	USGS map servers
64	water quality
64	floods
55	energy resources
50	mineral resources
46	ground water
41	invasive species
34	geospatial analysis
33	surface water (non-marine)
31	remote sensing
31	avian influenza
30	droughts
27	contamination and pollution
26	environmental health (human)
25	earthquake probabilities
21	oil resources
20	acid deposition
19	fires
17	stream-gage measurement
14	human impacts
14	social sciences
12	seismology
12	desert ecosystems
11	ground-water flow
11	drainage basins
11	natural gas resources
11	topics
11	life sciences
10	plants (organisms)
10	surface water quality
10	rocks and deposits
10	hurricanes
9	coal resources
9	endangered species

Science Topics term usage Thursday, 2008-09-25