Science Topics term usage 2008-05-11

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.)

594	earthquakes
271	earthquake occurrences
264	volcanoes
126	maps and atlases
93	real-time monitoring and reporting
66	USGS map servers
52	climate change
50	energy resources
49	surface water (non-marine)
45	ground water
44	floods
40	droughts
40	mineral resources
38	avian influenza
35	water quality
35	remote sensing
33	contamination and pollution
32	invasive species
32	geospatial analysis
27	fires
24	earthquake probabilities
19	environmental health (human)
14	oil resources
14	seismology
13	rocks and deposits
12	volcanic activity
11	tectonic processes
11	acid deposition
11	global warming
10	human impacts
10	water supply and demand
10	USGS maps on demand
10	aquatic ecosystems
9	biodiversity
8	ocean characteristics
8	marine geology
8	river systems
7	estuarine ecosystems
7	plants (organisms)
7	natural gas resources

Science Topics term usage Sunday, 2008-05-11