Science Topics term usage 2009-12-12

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.)

690	earthquakes
302	earthquake occurrences
177	volcanoes
87	real-time monitoring and reporting
86	maps and atlases
70	climate change
66	mineral resources
43	topographic maps
41	floods
40	map interfaces
39	ground water
37	energy resources
36	water quality
35	earthquake probabilities
32	remote sensing
29	surface water (non-marine)
27	fires
27	contamination and pollution
25	droughts
21	avian influenza
21	invasive species
17	environmental health (human)
16	geospatial analysis
15	human impacts
15	acid deposition
15	eutrophication
14	volcanic activity
13	geologic processes
12	water sampling
12	seismology
11	geologic history
11	geochemistry
11	soil chemistry
10	oil resources
10	biodiversity
10	natural resources
9	hurricanes
9	topics
9	natural gas resources
9	impact cratering

Science Topics term usage Saturday, 2009-12-12