Science Topics term usage 2006-10-13

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.)

67	earthquakes
62	volcanoes
49	geographic information systems (GIS)
45	geochemical processes
20	earthquake occurrences
20	human impacts
19	contamination and pollution
17	geologic history
16	water quality
16	earth structure
16	acid deposition
15	energy resources
15	tectonic processes
14	rocks and deposits
14	land use and land cover
14	geochemistry
13	tsunamis
13	streamflow
12	ocean sciences
12	hazards
12	industrial pollution
12	remote sensing
12	runoff
12	climate change
12	endangered species
11	animals
11	sedimentation
11	ground water
11	oil resources
11	hurricanes
10	mineral resources
10	floods
10	erosion
10	wildlife
10	aerial photography
10	ocean characteristics
10	precipitation (atmospheric)
10	habitats
10	volcanology
9	igneous rocks

Science Topics term usage Friday, 2006-10-13