Science Topics term usage 2009-07-06

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.)

535	earthquakes
209	earthquake occurrences
130	maps and atlases
126	volcanoes
64	real-time monitoring and reporting
61	topographic maps
53	map interfaces
45	mineral resources
44	water quality
40	energy resources
36	remote sensing
35	surface water (non-marine)
34	climate change
33	contamination and pollution
32	geospatial analysis
31	ground water
25	seismology
24	droughts
22	earthquake probabilities
20	geologic maps
20	invasive species
19	floods
17	avian influenza
16	environmental health (human)
13	fires
11	river systems
11	geographic information systems (GIS)
10	surface water quality
10	water chemistry
9	ground-water quality
9	tectonic processes
9	human impacts
8	acid deposition
8	oil resources
8	water properties
8	land use and land cover
7	volcanic activity
7	natural gas resources
6	rocks and deposits
6	nonmetallic mineral resources

Science Topics term usage Monday, 2009-07-06