Science Topics term usage 2009-08-01

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.)

824	earthquakes
470	earthquake occurrences
132	maps and atlases
106	volcanoes
75	real-time monitoring and reporting
46	ground water
45	topographic maps
45	map interfaces
44	surface water (non-marine)
42	energy resources
40	remote sensing
38	mineral resources
37	floods
37	geospatial analysis
36	water quality
34	geologic maps
32	droughts
29	climate change
27	invasive species
27	contamination and pollution
25	avian influenza
24	fires
23	acid deposition
23	seismology
23	environmental health (human)
21	human impacts
19	earthquake probabilities
18	aquatic ecosystems
16	coal resources
16	erosion
16	animals
14	bathymetry
14	algal blooms
14	oil resources
14	aerial photography
12	administrative and political boundaries
12	ocean-atmosphere interaction
12	impact cratering
12	glaciation
12	abandoned mines and quarries

Science Topics term usage Saturday, 2009-08-01