Science Topics term usage 2011-05-23

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.)

955	earthquakes
608	volcanoes
328	earthquake occurrences
111	real-time monitoring and reporting
106	maps and atlases
101	floods
71	surface water (non-marine)
62	mineral resources
61	map interfaces
53	groundwater
47	climate change
44	water quality
42	energy resources
36	remote sensing
33	droughts
32	invasive species
31	oil resources
30	earthquake probabilities
29	geospatial analysis
27	avian influenza
25	topographic maps
24	contamination and pollution
23	seismology
20	environmental health (human)
17	acid deposition
17	geologic maps
15	human impacts
15	fires
15	streamflow
15	stream-gage measurement
14	volcanic activity
13	microbiology
12	tsunamis
12	tectonic processes
11	endangered species
11	tornadoes
10	land use and land cover
10	animals
9	river systems
9	hydrology

Science Topics term usage Monday, 2011-05-23