Science Topics term usage 2011-03-30

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.)

1562	earthquakes
465	earthquake occurrences
324	volcanoes
129	real-time monitoring and reporting
123	maps and atlases
77	energy resources
72	earthquake probabilities
68	floods
66	mineral resources
64	groundwater
61	map interfaces
53	climate change
52	surface water (non-marine)
47	seismology
38	tsunamis
35	water quality
34	geospatial analysis
33	remote sensing
33	invasive species
32	avian influenza
32	droughts
32	contamination and pollution
30	topographic maps
30	oil resources
27	geologic maps
19	tectonic processes
16	volcanic activity
16	hazards
15	water resources
14	human impacts
14	fires
13	environmental health (human)
12	land use and land cover
12	acid deposition
12	endangered species
11	topics
11	life sciences
10	microbiology
10	geochemistry
10	natural gas resources

Science Topics term usage Wednesday, 2011-03-30