Science Topics term usage 2011-08-28

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.)

1457	earthquakes
616	earthquake occurrences
239	floods
216	real-time monitoring and reporting
142	volcanoes
115	surface water (non-marine)
99	maps and atlases
64	groundwater
41	mineral resources
39	energy resources
35	earthquake probabilities
33	map interfaces
31	droughts
28	climate change
27	topographic maps
26	hydrology
26	geospatial analysis
24	water quality
24	avian influenza
23	streamflow
23	remote sensing
22	seismology
20	invasive species
19	storm surge
17	river systems
13	contamination and pollution
13	environmental health (human)
13	volcanic activity
12	stream-gage measurement
12	groundwater flow
12	microbiology
12	geologic maps
11	stream discharge
10	tectonic processes
10	natural gas resources
10	fires
9	groundwater quality
9	drainage basins
9	tsunamis
8	hydrogeology

Science Topics term usage Sunday, 2011-08-28