Science Topics term usage 2011-04-22

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.)

823	earthquakes
242	earthquake occurrences
166	volcanoes
92	maps and atlases
77	real-time monitoring and reporting
75	groundwater
49	floods
43	map interfaces
38	surface water (non-marine)
38	climate change
34	geospatial analysis
33	remote sensing
32	topographic maps
30	mineral resources
27	energy resources
27	earthquake probabilities
23	droughts
23	water quality
20	seismology
20	tsunamis
19	oil resources
16	fires
15	contamination and pollution
14	invasive species
12	tectonic processes
11	avian influenza
9	environmental health (human)
9	microbiology
9	groundwater quality
8	geologic maps
7	bathymetry
7	aerial photography
7	streamflow
7	volcanic activity
7	human impacts
6	earth sciences
6	animals
6	hydrogeology
6	acid deposition
6	cartography

Science Topics term usage Friday, 2011-04-22