Science Topics term usage 2008-07-17

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.)

370	earthquakes
147	earthquake occurrences
143	maps and atlases
116	volcanoes
74	real-time monitoring and reporting
64	ground water
62	water quality
61	energy resources
58	USGS map servers
48	surface water (non-marine)
48	mineral resources
46	climate change
45	floods
42	droughts
41	geospatial analysis
37	contamination and pollution
35	remote sensing
34	fires
33	invasive species
30	oil resources
29	avian influenza
22	environmental health (human)
16	earthquake probabilities
15	soil resources
13	surface water quality
13	USGS Quadrangles
12	river systems
12	natural gas resources
11	USGS data downloading
10	USGS budget
10	hydrology
9	pharmaceutical contamination
9	water use
9	acid deposition
9	aerial photography
9	earth structure
9	USGS mapping centers
8	water resources
8	ground-water flow
8	coal resources

Science Topics term usage Thursday, 2008-07-17