Science Topics term usage 2009-07-27

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.)

412	earthquakes
177	earthquake occurrences
141	maps and atlases
105	volcanoes
59	real-time monitoring and reporting
55	topographic maps
54	mineral resources
51	climate change
49	surface water (non-marine)
45	energy resources
42	map interfaces
40	ground water
39	droughts
37	contamination and pollution
36	water quality
32	invasive species
31	remote sensing
31	geospatial analysis
28	floods
23	avian influenza
22	geologic maps
21	environmental health (human)
19	earthquake probabilities
17	river systems
15	seismology
13	fires
12	oil resources
12	acid deposition
9	global warming
8	geothermal resources
8	atmospheric and climatic processes
8	hydrology
8	land use and land cover
7	soil resources
7	climatology
7	human impacts
7	geologic history
6	animals
6	metallic ores
6	nonmetallic mineral resources

Science Topics term usage Monday, 2009-07-27