Science Topics term usage 2009-12-14

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.)

933	earthquakes
425	earthquake occurrences
284	volcanoes
146	maps and atlases
114	real-time monitoring and reporting
98	climate change
85	remote sensing
83	mineral resources
82	energy resources
80	ground water
78	topographic maps
63	floods
60	map interfaces
59	geospatial analysis
54	contamination and pollution
51	water quality
51	seismology
50	surface water (non-marine)
46	avian influenza
42	human impacts
41	droughts
40	earthquake probabilities
40	invasive species
37	earth structure
36	geologic maps
32	global warming
28	environmental health (human)
27	animals
26	oil resources
24	land use and land cover
24	acid deposition
21	pesticide and herbicide contamination
21	topics
19	erosion
19	geologic structure
17	stream discharge
17	water chemistry
16	tectonic processes
16	fires
16	soil resources

Science Topics term usage Monday, 2009-12-14