Science Topics term usage 2006-11-16

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.)

130	earthquakes
122	volcanoes
101	seismic methods
61	geographic information systems (GIS)
35	tsunamis
35	geology
34	earthquake occurrences
31	tectonic processes
24	earth structure
23	oceanic lithosphere
23	acid deposition
23	mineral resources
22	land use and land cover
21	desert ecosystems
21	energy resources
21	water quality
21	rocks and deposits
20	animals
20	volcanic activity
19	endangered species
17	contamination and pollution
17	oil resources
17	human impacts
16	ground water
16	streamflow
16	seismology
14	floods
14	erosion
14	maps and atlases
14	geologic history
13	ecosystems
13	topics
13	ground-water flow
13	landslides
13	hydrologic processes
13	climate change
13	hurricanes
12	aerial photography
11	geography
11	wildlife

Science Topics term usage Thursday, 2006-11-16