Science Topics term usage 2007-06-17

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.)

45	geographic information systems (GIS)
40	earthquakes
36	atmospheric deposition (chemical & particulate)
21	earth structure
18	real-time monitoring and reporting
15	earthquake occurrences
15	energy resources
14	human impacts
14	ground water
13	hazards
13	tsunamis
13	mineral resources
13	topography
12	acid deposition
12	ecosystems
12	water quality
12	rocks and deposits
12	magnetic field (earth)
12	oil resources
11	sea-floor characteristics
11	atmospheric circulation
11	animals
11	aerial photography
11	water properties
11	ocean temperature
11	maps and atlases
11	tectonic processes
11	geologic structure
11	flowering plants
10	ocean processes
10	life sciences
10	surface water quality
10	natural resource extraction
10	hydrology
10	contamination and pollution
10	water chemistry
10	climate change
10	land use and land cover
10	desert ecosystems
10	streamflow

Science Topics term usage Sunday, 2007-06-17