Science Topics term usage 2006-02-16

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.)

226	volcanoes
208	earthquakes
99	tectonic processes
62	geographic information systems (GIS)
61	earthquake occurrences
46	energy resources
42	earth structure
36	rocks and deposits
32	real-time monitoring and reporting
32	aerial photography
27	mineral resources
26	water quality
26	geologic structure
26	animals
24	health and disease
24	water properties
23	acid deposition
22	tsunamis
22	contamination and pollution
21	biogeography
21	landslides
20	seismology
19	surface water (non-marine)
19	oil resources
18	snow and ice cover
18	land use and land cover
18	magnetic field (earth)
18	water use
18	mathematical modeling
18	erosion
17	climate change
17	endangered species
17	land surface characteristics
17	ground water
17	maps and atlases
17	earthquake probabilities
17	topography
17	ecological processes
17	ocean characteristics
16	volcanic activity

Science Topics term usage Thursday, 2006-02-16