Science Topics term usage 2009-01-26

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.)

752	earthquakes
308	earthquake occurrences
213	volcanoes
150	maps and atlases
66	climate change
62	real-time monitoring and reporting
60	topographic maps
52	USGS map servers
48	floods
41	mineral resources
40	remote sensing
38	energy resources
36	water quality
36	avian influenza
33	invasive species
31	ground water
31	surface water (non-marine)
29	geologic maps
27	droughts
26	contamination and pollution
25	health and disease
25	geospatial analysis
22	environmental health (human)
20	earthquake probabilities
17	desert ecosystems
16	surface water quality
16	volcanic activity
16	animals
16	erosion
16	fires
15	acid deposition
14	seismology
13	land use and land cover
13	global warming
13	river systems
12	cartography
11	earth structure
10	aerial photography
9	oil resources
9	global change

Science Topics term usage Monday, 2009-01-26