Science Topics term usage 2008-08-19

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.)

504	earthquakes
198	earthquake occurrences
154	maps and atlases
124	volcanoes
73	USGS map servers
68	real-time monitoring and reporting
65	mineral resources
60	energy resources
54	climate change
52	ground water
48	water quality
47	floods
44	geospatial analysis
36	contamination and pollution
35	avian influenza
35	surface water (non-marine)
33	remote sensing
29	droughts
26	fires
22	invasive species
22	environmental health (human)
20	earthquake probabilities
19	health and disease
17	natural gas resources
17	oil resources
16	ground-water flow
15	earth structure
14	USGS Quadrangles
14	acid deposition
13	seismology
13	hydrology
13	streamflow
12	stream-gage measurement
12	aerial photography
11	soil resources
11	river systems
10	ground-water quality
9	magnetic field (earth)
9	seismic methods
9	storm surge

Science Topics term usage Tuesday, 2008-08-19