Science Topics term usage 2008-12-07

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.)

409	earthquakes
176	earthquake occurrences
108	volcanoes
67	maps and atlases
48	real-time monitoring and reporting
45	USGS map servers
36	water quality
34	climate change
32	mineral resources
25	contamination and pollution
22	droughts
22	energy resources
21	geospatial analysis
20	floods
20	avian influenza
18	ground water
16	invasive species
14	hydrology
14	water resources
13	earthquake probabilities
12	remote sensing
12	plants (organisms)
12	surface water (non-marine)
11	human impacts
10	acid deposition
9	oil resources
9	animals
9	water supply and demand
8	erosion
8	earth structure
8	coal resources
7	global warming
7	ground-water quality
7	fires
6	gravitational field (earth)
6	global change
6	bathymetry
6	topography
6	ocean characteristics
6	topics

Science Topics term usage Sunday, 2008-12-07