Science Topics term usage 2006-10-31

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.)

84	earthquakes
76	volcanoes
58	geographic information systems (GIS)
39	botany
30	energy resources
29	climate change
28	earth structure
24	tectonic processes
23	ground water
22	acid deposition
20	earthquake occurrences
19	human impacts
19	streamflow
19	mineral resources
17	tsunamis
17	endangered species
17	water quality
16	floods
16	hazards
16	ground-water flow
16	coastal zones
15	surface water (non-marine)
15	hurricanes
15	oil resources
15	desert ecosystems
14	geologic structure
14	global change
13	stream discharge
13	aerial photography
13	snow and ice cover
13	cartography
12	animals
12	wildlife
12	land use and land cover
12	water supply and demand
12	ocean characteristics
12	maps and atlases
12	atmospheric and climatic processes
11	water use
11	rocks and deposits

Science Topics term usage Tuesday, 2006-10-31