Science Topics term usage 2006-12-03

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.)

49	earthquakes
47	volcanoes
40	geographic information systems (GIS)
37	remote sensing
19	tectonic processes
19	oxygen content (water)
16	acid deposition
14	contamination and pollution
14	earth structure
14	tsunamis
12	oil resources
12	magnetic field (earth)
12	erosion
12	earthquake occurrences
11	water quality
10	ocean characteristics
10	floods
9	desert ecosystems
9	human impacts
9	energy resources
9	core (earth)
9	ground-water flow
9	land use and land cover
8	global warming
8	sediment transport
7	sea-floor characteristics
7	geospatial datasets
7	climate change
7	animals
6	water supply and demand
6	stream discharge
6	hazard preparedness
6	grassland ecosystems
6	ground water
6	coastal zones
6	surface water quality
6	outer core (earth)
5	field methods
5	real-time monitoring and reporting
5	eutrophication

Science Topics term usage Sunday, 2006-12-03