Science Topics term usage 2013-02-20

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.)

478	earthquakes
168	volcanoes
154	earthquake occurrences
52	maps and atlases
44	real-time monitoring and reporting
43	remote sensing
39	geospatial analysis
37	climate change
36	mineral resources
33	contamination and pollution
30	natural resource management
30	water quality
29	energy resources
29	groundwater
28	invasive species
25	floods
23	surface water (non-marine)
23	droughts
22	ecology
21	microbiology
21	life sciences
20	aerial photography
18	earth sciences
17	human impacts
17	tectonic processes
17	map interfaces
16	environmental health (human)
16	fires
16	topographic maps
15	geologic maps
14	avian influenza
13	land use and land cover
13	endangered species
12	natural resources
12	volcanic eruption prediction
12	seismology
12	waste treatment and disposal
11	geochemistry
11	acid deposition
10	geologic processes

Science Topics term usage Wednesday, 2013-02-20