Science Topics term usage 2008-01-22

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.)

58	ocean-atmosphere interaction
57	geographic information systems (GIS)
53	volcanoes
44	earthquakes
29	natural resource assessment
29	animals
25	contamination and pollution
22	acid deposition
22	earth structure
18	ground-water flow
17	earthquake occurrences
17	human impacts
16	climate change
15	endangered species
15	energy resources
15	floods
14	ground water
14	tsunamis
14	water quality
13	aerial photography
13	rocks and deposits
13	erosion
13	geologic history
13	impact cratering
13	glaciation
12	topography
12	oil resources
12	desert ecosystems
12	coal resources
12	land use and land cover
11	aquatic ecosystems
11	health and disease
11	global warming
11	droughts
11	sediment transport
10	water supply and demand
10	natural resources
10	wetland ecosystems
10	plant and animal testing
10	ocean sciences

Science Topics term usage Tuesday, 2008-01-22