Science Topics term usage 2009-01-31

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.)

670	earthquakes
444	volcanoes
289	earthquake occurrences
114	maps and atlases
67	real-time monitoring and reporting
62	climate change
52	ground water
45	USGS map servers
42	topographic maps
38	avian influenza
31	remote sensing
30	water quality
30	droughts
27	energy resources
27	floods
26	geologic maps
24	contamination and pollution
24	surface water (non-marine)
24	mineral resources
24	geospatial analysis
23	invasive species
23	volcanic activity
21	earthquake probabilities
20	fires
16	environmental health (human)
13	acid deposition
11	seismology
10	Alaska
10	nutrient content (water)
10	human impacts
9	Washington
9	volcanic eruption prediction
9	water supply and demand
8	earth structure
8	tectonic processes
8	health and disease
8	erosion
7	biogeography
6	tsunamis
6	global warming

Science Topics term usage Saturday, 2009-01-31