Science Topics term usage 2009-09-25

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.)

641	earthquakes
305	earthquake occurrences
258	volcanoes
250	maps and atlases
118	real-time monitoring and reporting
111	mineral resources
99	climate change
89	topographic maps
87	energy resources
86	floods
79	ground water
77	map interfaces
75	droughts
75	water quality
72	remote sensing
60	invasive species
58	land use and land cover
56	contamination and pollution
53	avian influenza
51	surface water (non-marine)
49	environmental health (human)
48	geospatial analysis
48	fires
44	geologic maps
32	human impacts
31	acid deposition
31	oil resources
29	earthquake probabilities
28	health and disease
28	plants (organisms)
28	nutrient content (water)
26	seismology
23	life sciences
22	water properties
21	ground-water flow
21	natural resources
20	social sciences
20	field methods
20	river systems
19	natural gas resources

Science Topics term usage Friday, 2009-09-25