Science Topics term usage 2009-01-27

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.)

659	earthquakes
357	volcanoes
253	earthquake occurrences
169	maps and atlases
84	climate change
71	USGS map servers
64	real-time monitoring and reporting
63	topographic maps
58	floods
55	energy resources
46	mineral resources
46	droughts
42	ground water
38	contamination and pollution
34	water quality
34	avian influenza
33	geospatial analysis
33	invasive species
33	geologic maps
31	surface water (non-marine)
30	environmental health (human)
28	earthquake probabilities
25	remote sensing
24	seismology
18	human impacts
18	fires
18	volcanic activity
18	acid deposition
16	oil resources
16	global warming
16	animals
14	social sciences
13	land use and land cover
13	river systems
13	health and disease
12	desert ecosystems
12	volcanic features
11	earth structure
11	coal resources
10	aerial photography

Science Topics term usage Tuesday, 2009-01-27