Science Topics term usage 2012-10-31

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.)

642	earthquakes
224	earthquake occurrences
105	volcanoes
50	real-time monitoring and reporting
47	floods
39	mineral resources
37	climate change
37	maps and atlases
35	groundwater
28	surface water (non-marine)
23	energy resources
21	earthquake probabilities
20	aquatic ecosystems
18	remote sensing
18	map interfaces
18	geospatial analysis
17	water quality
16	environmental health (human)
15	biodiversity
15	contamination and pollution
15	greenhouse effect
15	radiometric dating
14	seismology
14	droughts
13	microbiology
13	invasive species
13	geology
12	life sciences
11	geochemistry
10	avian influenza
10	earth sciences
10	geographic information systems (GIS)
10	land use and land cover
10	topographic maps
9	water chemistry
9	rocks and deposits
9	river systems
9	tsunamis
8	geologic maps
8	aquatic biology

Science Topics term usage Wednesday, 2012-10-31