Science Topics term usage 2013-01-29

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.)

465	earthquakes
138	earthquake occurrences
115	volcanoes
60	climate change
47	maps and atlases
44	real-time monitoring and reporting
42	mineral resources
31	remote sensing
27	geospatial analysis
27	surface water (non-marine)
25	floods
25	map interfaces
24	life sciences
23	groundwater
23	aerial photography
22	biostratigraphy
20	land use and land cover
20	droughts
20	fires
20	energy resources
19	invasive species
18	contamination and pollution
18	water quality
17	tectonic processes
17	microbiology
16	human impacts
16	employment and volunteer opportunities
15	ecology
15	geographic information systems (GIS)
15	nonmetallic mineral resources
14	geochemistry
14	sedimentary rocks
13	environmental health (human)
13	mining and quarrying
12	tsunamis
12	seismology
12	geologic maps
12	natural resources
12	hydrology
11	sinkhole formation

Science Topics term usage Tuesday, 2013-01-29