Science Topics term usage 2009-04-06

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.)

2963	earthquakes
1507	earthquake occurrences
533	volcanoes
205	maps and atlases
162	real-time monitoring and reporting
101	floods
87	climate change
86	earthquake probabilities
78	USGS map servers
72	seismology
64	ground water
62	droughts
60	avian influenza
59	surface water (non-marine)
56	energy resources
55	remote sensing
53	mineral resources
51	topographic maps
50	water quality
50	contamination and pollution
46	invasive species
40	geospatial analysis
33	volcanic activity
32	tectonic processes
29	geologic maps
22	oil resources
21	environmental health (human)
20	river systems
20	fires
18	human impacts
17	hazards
17	global warming
17	endangered species
16	natural gas resources
16	health and disease
14	streamflow
14	erosion
13	surface water quality
12	animals
12	hydrology

Science Topics term usage Monday, 2009-04-06