Science Topics term usage 2007-10-18

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.)

104	earthquakes
85	volcanoes
70	geographic information systems (GIS)
47	deformation (geologic)
37	tectonic processes
31	earthquake occurrences
23	real-time monitoring and reporting
21	coastal zones
19	mineral resources
18	surface water (non-marine)
18	earth structure
18	contamination and pollution
17	ground water
17	water use
16	acid deposition
16	energy resources
15	climate change
14	USGS Quadrangles
14	geologic structure
14	floods
14	human impacts
14	rocks and deposits
14	tsunamis
13	volcanic activity
13	topics
13	water quality
13	ocean characteristics
13	oil resources
13	erosion
12	animals
12	field sampling
12	water resources
12	land use and land cover
12	plants (organisms)
12	field methods
12	desert ecosystems
11	magnetic field (earth)
11	remote sensing
11	landslides
11	environmental assessment

Science Topics term usage Thursday, 2007-10-18