Science Topics term usage 2009-09-06

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.)

1078	earthquakes
623	earthquake occurrences
253	volcanoes
210	maps and atlases
123	real-time monitoring and reporting
111	energy resources
97	mineral resources
94	climate change
83	topographic maps
71	avian influenza
70	contamination and pollution
67	ground water
65	remote sensing
64	map interfaces
63	droughts
63	fires
60	geospatial analysis
59	water quality
57	environmental health (human)
47	surface water (non-marine)
45	floods
42	seismology
42	invasive species
42	geologic maps
35	California
34	life sciences
32	earth structure
28	biological and physical processes
27	acid deposition
26	earthquake probabilities
26	ocean characteristics
25	health and disease
24	volcanic activity
24	field methods
24	social sciences
23	animals
23	bathymetry
22	geography
22	sea-floor characteristics
21	erosion

Science Topics term usage Sunday, 2009-09-06