Science Topics term usage 2011-11-22

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.)

793	earthquakes
276	earthquake occurrences
117	volcanoes
80	real-time monitoring and reporting
80	maps and atlases
69	floods
57	groundwater
50	mineral resources
40	climate change
37	surface water (non-marine)
32	droughts
32	map interfaces
31	earthquake probabilities
29	water quality
27	geospatial analysis
25	energy resources
24	remote sensing
23	seismology
23	environmental health (human)
21	geologic maps
20	topographic maps
20	avian influenza
17	contamination and pollution
15	invasive species
15	land use and land cover
14	volcanic activity
12	fires
11	hydrology
11	natural gas resources
11	metallic ores
10	biodiversity
10	animals
10	acid deposition
9	hurricanes
9	hydrogeology
9	human impacts
9	earth structure
8	aeromagnetic surveying
8	drainage basins
8	river systems

Science Topics term usage Tuesday, 2011-11-22