Science Topics term usage 2012-04-22

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.)

693	earthquakes
241	earthquake occurrences
214	volcanoes
74	real-time monitoring and reporting
68	maps and atlases
50	climate change
47	groundwater
46	floods
45	surface water (non-marine)
31	mineral resources
28	remote sensing
28	geospatial analysis
26	map interfaces
24	water quality
24	earthquake probabilities
23	contamination and pollution
23	invasive species
22	droughts
22	avian influenza
18	volcanic activity
17	geologic maps
17	energy resources
17	animals
16	topographic maps
15	environmental health (human)
14	streamflow
14	seismology
13	human impacts
12	tsunamis
12	groundwater flow
11	fires
11	land use and land cover
10	tectonic processes
10	topography
9	surface water quality
9	geochemistry
8	groundwater quality
8	oil resources
8	ecological processes
8	ecology

Science Topics term usage Sunday, 2012-04-22