Science Topics term usage 2008-04-27

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.)

2628	earthquakes
1279	earthquake occurrences
187	volcanoes
157	maps and atlases
147	real-time monitoring and reporting
111	earthquake probabilities
74	seismology
67	climate change
67	energy resources
61	USGS map servers
54	floods
50	avian influenza
48	surface water (non-marine)
45	water quality
43	droughts
41	mineral resources
39	ground water
39	Nevada
38	geospatial analysis
38	fires
36	contamination and pollution
36	invasive species
30	remote sensing
29	river systems
29	environmental health (human)
23	volcanic activity
20	oil resources
17	California
17	tectonic processes
15	Washoe
11	hurricanes
10	human impacts
10	natural gas resources
10	global warming
9	earth structure
8	streamflow
7	stream discharge
7	desert ecosystems
7	acid deposition
7	stream-gage measurement

Science Topics term usage Sunday, 2008-04-27