Science Topics term usage 2012-02-09

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.)

662	earthquakes
230	volcanoes
206	earthquake occurrences
82	maps and atlases
67	real-time monitoring and reporting
55	mineral resources
54	map interfaces
46	groundwater
42	climate change
40	floods
39	energy resources
36	geospatial analysis
29	surface water (non-marine)
27	invasive species
25	water quality
24	contamination and pollution
24	remote sensing
23	avian influenza
22	earthquake probabilities
21	droughts
17	topographic maps
17	environmental health (human)
16	geologic maps
15	Antarctica
13	human impacts
13	acid deposition
13	natural gas resources
13	fires
12	geomorphology
12	tectonic processes
12	oil resources
12	tsunamis
11	endangered species
11	data services
10	land use and land cover
10	topics
9	streamflow
9	hydrogeology
8	marine biology
8	aerial photography

Science Topics term usage Thursday, 2012-02-09