Science Topics term usage 2012-04-29

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.)

648	earthquakes
235	earthquake occurrences
154	volcanoes
70	maps and atlases
46	climate change
41	geospatial analysis
40	mineral resources
39	real-time monitoring and reporting
38	groundwater
37	floods
35	map interfaces
30	surface water (non-marine)
28	water quality
27	droughts
26	invasive species
24	remote sensing
23	energy resources
23	earthquake probabilities
20	contamination and pollution
20	fires
18	avian influenza
17	environmental health (human)
14	oil resources
13	topographic maps
12	tectonic processes
11	tsunamis
10	volcanic activity
10	seismology
10	metallic ores
9	geologic maps
9	wildlife population management
8	hydrology
8	endangered species
8	natural gas resources
8	land use and land cover
8	magnetic field (earth)
7	soil resources
7	human impacts
7	acid deposition
7	erosion

Science Topics term usage Sunday, 2012-04-29