Science Topics term usage 2011-09-23

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.)

671	earthquakes
277	earthquake occurrences
123	volcanoes
57	real-time monitoring and reporting
55	maps and atlases
39	surface water (non-marine)
32	mineral resources
32	energy resources
32	map interfaces
31	groundwater
30	climate change
27	floods
26	invasive species
25	geospatial analysis
24	water quality
21	earthquake probabilities
20	droughts
20	topographic maps
17	remote sensing
16	contamination and pollution
15	human impacts
14	avian influenza
13	health and disease
12	pesticide and herbicide contamination
12	volcanic activity
11	microbiology
11	environmental health (human)
10	animal behavior
9	natural gas resources
9	earth sciences
9	fires
9	tsunamis
9	hazards
8	river systems
8	streams
8	oil resources
8	endangered species
7	geologic maps
7	acid deposition
7	geomorphology

Science Topics term usage Friday, 2011-09-23