Science Topics term usage 2006-08-24

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.)

77	earthquakes
61	geographic information systems (GIS)
42	volcanoes
33	botany
27	animals
26	earthquake occurrences
23	earth structure
22	water quality
17	energy resources
17	ground water
14	aerial photography
13	natural gas resources
13	planetary bodies
12	rocks and deposits
12	volcanic activity
12	erosion
11	invasive species
11	tectonic processes
11	coastal zones
11	acid deposition
11	maps and atlases
11	wildlife
11	ground-water flow
11	floods
10	topography
10	cartography
10	nonvascular plants
10	water cycle
9	human impacts
9	storms
9	sediment transport
8	oil resources
8	surface water (non-marine)
8	wildlife biology
8	magnetic field (earth)
8	meteorites
8	geologic history
8	climate change
8	surface water quality
8	marine biology

Science Topics term usage Thursday, 2006-08-24