Science Topics term usage 2006-11-26

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.)

79	volcanoes
65	earthquakes
40	geographic information systems (GIS)
23	earthquake occurrences
19	endemic species
19	earth structure
18	tectonic processes
17	lithosphere
16	water supply and demand
16	volcanic activity
13	acid deposition
12	climate change
12	mineral resources
10	rocks and deposits
10	birds
10	floods
10	land surface characteristics
10	oil resources
10	geologic history
10	ecosystems
10	human impacts
9	geochemistry
9	desert ecosystems
9	aerial photography
9	tsunamis
9	coastal zones
9	water use
9	erosion
9	sea-floor characteristics
9	outer core (earth)
8	glaciation
8	natural resource extraction
8	energy resources
8	topics
8	geologic structure
7	crust (earth)
7	biodiversity
7	information system design and development
7	real-time monitoring and reporting
7	land use and land cover

Science Topics term usage Sunday, 2006-11-26