Science Topics term usage 2006-12-04

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.)

113	earthquakes
111	volcanoes
56	geographic information systems (GIS)
31	mineral resources
30	rocks and deposits
29	grasslands
29	floods
27	contamination and pollution
26	tectonic processes
23	earthquake occurrences
21	volcanic activity
20	climate change
20	energy resources
19	tsunamis
19	water quality
19	oil resources
19	animals
18	acid deposition
17	land use and land cover
17	landslides
16	erosion
16	hurricanes
16	remote sensing
16	ground water
15	human impacts
14	hazards
14	earth structure
13	mathematical modeling
13	desert ecosystems
13	geologic history
12	invasive species
12	endangered species
12	streamflow
12	geophysics
11	stream-gage measurement
11	coastal zones
11	maps and atlases
11	natural gas resources
10	real-time monitoring and reporting
10	global warming

Science Topics term usage Monday, 2006-12-04