Science Topics term usage 2009-01-04

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.)

1747	earthquakes
761	earthquake occurrences
347	volcanoes
110	maps and atlases
85	real-time monitoring and reporting
41	USGS map servers
39	topographic maps
39	mineral resources
34	climate change
32	volcanic activity
32	earthquake probabilities
29	avian influenza
29	ground water
29	floods
29	energy resources
26	seismology
26	geospatial analysis
25	water quality
22	droughts
22	invasive species
20	surface water (non-marine)
19	geologic maps
19	remote sensing
19	contamination and pollution
13	fires
13	hydrology
12	acid deposition
12	environmental health (human)
11	animals
10	tectonic processes
10	reports
9	streamflow
9	snow and ice cover
8	global change
8	geologic structure
8	geologic processes
8	global warming
7	water supply and demand
7	coal resources
7	erosion

Science Topics term usage Sunday, 2009-01-04