Science Topics term usage 2006-03-07

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.)

216	earthquakes
160	volcanoes
76	energy resources
65	geographic information systems (GIS)
57	earthquake occurrences
40	earth structure
38	ecosystems
38	mineral resources
35	real-time monitoring and reporting
34	tectonic processes
32	ground water
28	tsunamis
26	floods
26	geologic structure
26	contamination and pollution
24	geologic history
24	animals
23	streamflow
22	surface water (non-marine)
21	meteorites
21	climate change
20	water quality
20	land use and land cover
19	acid deposition
19	aerial photography
19	erosion
19	maps and atlases
18	biodiversity
18	oil resources
18	earth sciences
17	water properties
17	invasive species
17	map coordinate systems
17	earthquake probabilities
16	sedimentation
16	seismology
16	water supply and demand
16	natural resource extraction
16	mining hazards
16	snow and ice cover

Science Topics term usage Tuesday, 2006-03-07