Science Topics term usage 2008-12-21

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.)

472	earthquakes
231	earthquake occurrences
56	maps and atlases
53	volcanoes
38	real-time monitoring and reporting
32	climate change
25	energy resources
22	USGS map servers
22	avian influenza
21	topographic maps
20	contamination and pollution
18	mineral resources
17	invasive species
17	ground water
16	surface water (non-marine)
15	droughts
14	floods
13	water quality
12	geospatial analysis
12	remote sensing
12	animals
11	environmental health (human)
11	fires
10	California
10	geologic maps
9	river systems
8	earthquake probabilities
8	seismology
7	acid deposition
7	earth structure
6	USGS budget
5	global warming
5	biological and physical processes
4	oil resources
4	coal resources
4	ground-water quality
4	human impacts
4	natural gas resources
4	gold ores
4	hydrology

Science Topics term usage Sunday, 2008-12-21