Science Topics term usage 2010-04-29

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.)

1697	earthquakes
639	earthquake occurrences
438	volcanoes
202	maps and atlases
146	real-time monitoring and reporting
112	ground water
101	seismology
101	energy resources
97	earthquake probabilities
89	contamination and pollution
88	topographic maps
87	climate change
79	mineral resources
76	surface water (non-marine)
73	floods
73	remote sensing
71	map interfaces
66	geospatial analysis
61	invasive species
61	water quality
51	droughts
43	environmental health (human)
41	oil resources
41	avian influenza
39	fires
38	human impacts
34	geologic maps
25	acid deposition
23	ground-water quality
23	hazards
22	endangered species
21	tectonic processes
21	natural gas resources
19	earth structure
17	tsunamis
16	health and disease
15	volcanic activity
15	glacier features
15	biodiversity
15	topics

Science Topics term usage Thursday, 2010-04-29