Science Topics term usage 2007-03-04

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.)

66	geographic information systems (GIS)
66	earthquakes
51	volcanoes
32	statistical analysis
21	acid deposition
18	earth structure
17	tectonic processes
13	aerial photography
13	landslides
12	rocks and deposits
12	endangered species
12	mineral resources
11	erosion
11	earthquake occurrences
11	energy resources
10	global warming
10	animals
9	tsunamis
9	hurricanes
9	streamflow
9	contamination and pollution
9	climate change
9	natural gas resources
8	snow and ice cover
8	geologic history
8	floods
8	ocean temperature
8	desert ecosystems
7	marine geology
7	gravitational field (earth)
7	human impacts
7	glaciation
7	global change
6	volcanic eruption prediction
6	fires
6	impact cratering
6	aquatic ecosystems
6	maps and atlases
6	magnetic field (earth)
6	coastal ecosystems

Science Topics term usage Sunday, 2007-03-04