Science Topics term usage 2005-12-22

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.)

76	geographic information systems (GIS)
75	earthquakes
63	volcanoes
36	aerial photography
35	tsunamis
34	animals
33	magnetic field (earth)
31	streamflow
30	climate change
30	earth structure
25	real-time monitoring and reporting
24	ground water
24	mineral resources
23	geologic history
22	habitats
22	rocks and deposits
22	planetary bodies
22	energy resources
22	tectonic processes
22	contamination and pollution
22	water supply and demand
22	land surface characteristics
21	geologic structure
20	earthquake occurrences
20	remote sensing
19	human impacts
19	maps and atlases
19	surface water (non-marine)
19	droughts
18	cartography
18	water properties
18	erosion
18	acid deposition
18	wildlife
18	land use and land cover
18	water resources
18	geochemistry
17	ocean characteristics
17	ocean currents
17	land subsidence

Science Topics term usage Thursday, 2005-12-22