Science Topics term usage 2006-10-11

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.)

125	earthquakes
86	volcanoes
72	geographic information systems (GIS)
47	earthquake occurrences
26	climate change
25	acid deposition
25	tectonic processes
24	recreation
23	contamination and pollution
22	earth structure
20	rocks and deposits
19	land use and land cover
19	ground water
18	human impacts
18	aerial photography
18	water quality
18	landslides
18	water chemistry
18	mineral resources
17	seismology
17	erosion
16	oil resources
16	hurricanes
16	streamflow
16	animals
15	geologic history
15	geologic structure
14	outer core (earth)
14	tsunamis
13	surface water (non-marine)
12	snow and ice cover
12	global warming
12	earthquake probabilities
12	inner core (earth)
11	topography
11	coastal zones
11	plants (organisms)
11	ocean characteristics
11	real-time monitoring and reporting
11	crust (earth)

Science Topics term usage Wednesday, 2006-10-11