Science Topics term usage 2007-02-10

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.)

54	geographic information systems (GIS)
44	volcanoes
43	earthquakes
21	populated places
20	tectonic processes
16	earth structure
15	climate change
12	earthquake occurrences
12	global warming
12	water quality
11	biodiversity
11	acid deposition
11	human impacts
10	landslides
10	ground water
9	geologic structure
9	industrial pollution
8	contamination and pollution
8	freshwater ecosystems
7	land use and land cover
7	global change
7	rocks and deposits
7	land subsidence
7	ecology
7	ground-water quality
7	magnetic field (earth)
7	mineral resources
7	volcanic activity
6	streamflow
6	tsunamis
6	animals
6	coastal zones
6	snow and ice cover
6	floods
6	outer core (earth)
6	wildlife
6	United States
6	oil resources
5	soil chemistry
5	sediment transport

Science Topics term usage Saturday, 2007-02-10