Science Topics term usage 2008-01-23

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.)

70	geographic information systems (GIS)
46	earthquakes
35	decision support methods
33	volcanoes
25	earth structure
25	ocean-atmosphere interaction
24	earthquake occurrences
23	acid deposition
20	ground water
20	climate change
19	stream-gage measurement
18	ground-water flow
16	real-time monitoring and reporting
16	global warming
15	ocean characteristics
15	floods
14	water quality
14	land use and land cover
14	human impacts
14	water use
13	geologic structure
13	mineral resources
13	geochemistry
13	desert ecosystems
13	tectonic processes
12	topography
12	contamination and pollution
12	ecosystems
12	gravitational field (earth)
12	endangered species
12	energy resources
12	volcanic eruption prediction
12	magnetic field (earth)
11	streamflow
11	topics
11	hurricanes
11	tsunamis
11	precipitation (atmospheric)
11	animals
11	water properties

Science Topics term usage Wednesday, 2008-01-23