Science Topics term usage 2008-10-19

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.)

287	earthquakes
113	volcanoes
103	earthquake occurrences
70	maps and atlases
52	water quality
50	contamination and pollution
48	real-time monitoring and reporting
46	energy resources
46	climate change
46	USGS map servers
44	floods
42	ground water
36	droughts
34	remote sensing
31	acid deposition
30	mineral resources
29	surface water (non-marine)
28	fires
28	invasive species
20	geospatial analysis
20	avian influenza
19	oil resources
18	endangered species
17	animals
17	earth structure
16	tsunamis
16	environmental health (human)
15	erosion
14	sediment transport
13	hurricanes
13	magnetic field (earth)
13	aquatic ecosystems
13	aerial photography
12	rocks and deposits
12	desert ecosystems
12	health and disease
11	ground-water quality
11	plants (organisms)
11	ground-water flow
11	gravitational field (earth)

Science Topics term usage Sunday, 2008-10-19