Science Topics term usage 2011-04-29

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.)

801	earthquakes
255	earthquake occurrences
182	volcanoes
107	real-time monitoring and reporting
90	floods
86	maps and atlases
58	surface water (non-marine)
56	groundwater
41	climate change
40	mineral resources
38	geospatial analysis
38	water quality
29	map interfaces
28	energy resources
26	topographic maps
26	earthquake probabilities
25	invasive species
23	remote sensing
23	contamination and pollution
21	tsunamis
21	droughts
16	human impacts
16	economic geology
15	avian influenza
14	tornadoes
13	streamflow
13	volcanic activity
12	seismology
12	environmental health (human)
12	microbiology
11	river systems
11	fires
11	geologic maps
11	life sciences
10	tectonic processes
9	endangered species
9	rocks and deposits
9	groundwater flow
9	stream-gage measurement
9	stream discharge

Science Topics term usage Friday, 2011-04-29