Science Topics term usage 2009-03-19

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.)

853	earthquakes
744	volcanoes
379	earthquake occurrences
138	maps and atlases
98	real-time monitoring and reporting
70	climate change
66	USGS map servers
64	floods
56	topographic maps
53	ground water
50	water quality
44	energy resources
40	mineral resources
36	geospatial analysis
35	droughts
34	contamination and pollution
33	surface water (non-marine)
32	invasive species
28	remote sensing
27	volcanic activity
23	fires
22	avian influenza
21	earthquake probabilities
20	oil resources
19	environmental health (human)
18	geologic maps
18	health and disease
17	human impacts
14	tectonic processes
14	animals
14	seismology
13	tsunamis
13	erosion
12	biodiversity
12	global warming
11	global change
10	land use and land cover
10	river systems
10	acid deposition
9	stream-gage measurement

Science Topics term usage Thursday, 2009-03-19