Science Topics term usage 2012-01-18

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.)

777	earthquakes
281	earthquake occurrences
184	volcanoes
117	maps and atlases
77	real-time monitoring and reporting
74	mineral resources
71	floods
67	energy resources
64	groundwater
61	surface water (non-marine)
54	climate change
51	water quality
50	geospatial analysis
48	map interfaces
47	remote sensing
40	droughts
37	avian influenza
33	topographic maps
33	contamination and pollution
33	invasive species
25	earthquake probabilities
25	oil resources
24	environmental health (human)
23	seismology
21	geographic information systems (GIS)
20	fires
19	human impacts
17	hydrology
16	tsunamis
15	geologic maps
14	acid deposition
14	land use and land cover
13	natural gas resources
13	tectonic processes
13	health and disease
12	microbiology
12	biodiversity
12	erosion
11	earth structure
11	surface water quality

Science Topics term usage Wednesday, 2012-01-18