Science Topics term usage 2006-11-05

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.)

72	earthquakes
30	geographic information systems (GIS)
25	volcanoes
24	earthquake occurrences
23	ground water
18	remediation
17	acid deposition
16	tectonic processes
16	energy resources
14	geologic history
12	contamination and pollution
12	floods
12	oil resources
12	human impacts
11	earth structure
11	hurricanes
11	geologic structure
11	ground-water flow
10	desert ecosystems
10	coastal zones
10	maps and atlases
10	computational methods
9	water quality
9	tsunamis
9	drainage basins
9	land use and land cover
8	hydrology
8	surface water (non-marine)
8	streamflow
8	waste treatment and disposal
7	birds
7	global warming
7	health and disease
7	nonvascular plants
7	erosion
7	stream discharge
7	magnetic field (earth)
7	water use
6	precipitation (atmospheric)
6	fires

Science Topics term usage Sunday, 2006-11-05