Science Topics term usage 2011-01-21

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.)

1254	earthquakes
355	earthquake occurrences
140	volcanoes
89	maps and atlases
61	mineral resources
58	floods
46	real-time monitoring and reporting
45	groundwater
45	energy resources
40	climate change
39	seismology
38	surface water (non-marine)
30	topographic maps
29	geospatial analysis
27	contamination and pollution
25	invasive species
25	map interfaces
24	droughts
24	geologic maps
23	water quality
23	remote sensing
22	oil resources
22	earthquake probabilities
19	avian influenza
16	environmental health (human)
15	fires
12	volcanic activity
11	hydrographic datasets
10	hazards
10	river systems
10	microbiology
10	natural gas resources
9	land surface characteristics
8	mathematical modeling
8	streamflow
8	acid deposition
8	precipitation (atmospheric)
7	tsunamis
7	land use and land cover
7	human impacts

Science Topics term usage Friday, 2011-01-21