Science Topics term usage 2008-09-29

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.)

536	earthquakes
218	earthquake occurrences
167	volcanoes
138	maps and atlases
62	climate change
62	USGS map servers
57	ground water
57	mineral resources
53	energy resources
48	floods
47	real-time monitoring and reporting
43	water quality
36	surface water (non-marine)
30	remote sensing
30	invasive species
29	droughts
28	geospatial analysis
28	avian influenza
26	seismology
26	contamination and pollution
24	oil resources
18	fires
17	acid deposition
17	plants (organisms)
16	earth structure
15	environmental health (human)
15	natural gas resources
14	earthquake probabilities
14	desert ecosystems
13	health and disease
13	animals
12	ground-water flow
12	human impacts
12	endangered species
11	nutrient content (water)
11	erosion
11	aerial photography
9	nonvascular plants
9	tsunamis
9	global warming

Science Topics term usage Monday, 2008-09-29