Science Topics term usage 2011-04-10

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.)

933	earthquakes
257	earthquake occurrences
200	volcanoes
81	maps and atlases
65	real-time monitoring and reporting
48	floods
44	climate change
42	groundwater
41	surface water (non-marine)
40	earthquake probabilities
40	mineral resources
33	geospatial analysis
32	map interfaces
26	remote sensing
23	invasive species
23	droughts
22	energy resources
21	tsunamis
20	contamination and pollution
19	water quality
19	fires
18	avian influenza
17	geologic maps
16	topographic maps
14	seismology
13	tectonic processes
12	environmental health (human)
11	river systems
11	microbiology
10	land use and land cover
10	human impacts
10	volcanic activity
9	geologic processes
8	hydrology
7	topics
7	landslides
7	stream discharge
6	hydrogeology
6	snow and ice cover
6	drainage basins

Science Topics term usage Sunday, 2011-04-10