Science Topics term usage 2009-10-20

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.)

964	earthquakes
405	volcanoes
399	earthquake occurrences
276	maps and atlases
156	mineral resources
122	real-time monitoring and reporting
112	climate change
103	floods
103	topographic maps
102	map interfaces
101	energy resources
95	ground water
93	geologic maps
93	water quality
85	geospatial analysis
72	surface water (non-marine)
71	avian influenza
64	remote sensing
62	contamination and pollution
61	invasive species
58	animals
51	environmental health (human)
51	earthquake probabilities
50	droughts
50	human impacts
45	fires
44	seismology
41	health and disease
36	USGS Quadrangles
33	erosion
32	acid deposition
30	stream-gage measurement
29	earth structure
28	endangered species
28	life sciences
27	volcanic features
27	drainage basins
27	scientific careers
27	oil resources
26	stream discharge

Science Topics term usage Tuesday, 2009-10-20