Science Topics term usage 2009-12-28

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.)

572	earthquakes
295	volcanoes
225	earthquake occurrences
170	maps and atlases
87	real-time monitoring and reporting
76	ground water
75	map interfaces
73	mineral resources
62	energy resources
61	water quality
60	floods
59	topographic maps
59	climate change
53	geospatial analysis
45	surface water (non-marine)
40	avian influenza
40	geologic maps
36	remote sensing
33	mathematical modeling
33	invasive species
33	contamination and pollution
32	environmental health (human)
31	droughts
29	seismology
27	computational methods
23	volcanic activity
21	fires
20	streamflow
19	earthquake probabilities
19	aerial photography
18	drainage basins
15	sea-floor characteristics
15	oil resources
15	ground-water flow
14	volcanic eruption prediction
13	ground-water quality
13	land surface characteristics
12	hydrogeology
11	coal resources
11	earth structure

Science Topics term usage Monday, 2009-12-28