Science Topics term usage 2009-03-22

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.)

339	earthquakes
297	volcanoes
133	earthquake occurrences
72	maps and atlases
58	real-time monitoring and reporting
42	climate change
33	topographic maps
33	USGS map servers
32	floods
28	water quality
27	geospatial analysis
27	mineral resources
26	energy resources
23	remote sensing
21	avian influenza
19	ground water
19	contamination and pollution
18	droughts
15	surface water (non-marine)
15	invasive species
14	volcanic activity
13	acid deposition
13	human impacts
12	geologic maps
12	seismology
11	oil resources
10	earthquake probabilities
10	environmental health (human)
8	river systems
7	desert ecosystems
7	global warming
6	copper
6	health and disease
6	streamflow
6	tectonic processes
6	land use change
6	rocks and deposits
6	fires
5	natural resources
5	snow and ice cover

Science Topics term usage Sunday, 2009-03-22