Science Topics term usage 2012-07-20

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.)

420	earthquakes
164	earthquake occurrences
55	real-time monitoring and reporting
42	volcanoes
33	maps and atlases
26	energy resources
25	surface water (non-marine)
25	droughts
21	groundwater
18	climate change
17	floods
17	geospatial analysis
17	water quality
16	oil resources
15	mineral resources
15	map interfaces
13	contamination and pollution
13	remote sensing
12	topographic maps
11	invasive species
11	river systems
10	environmental health (human)
9	earth sciences
9	fires
8	avian influenza
8	earthquake probabilities
7	field sampling
6	hydrogeology
6	toxic trace element contamination
6	aquatic biology
6	microbiology
6	stream discharge
5	surface water quality
5	natural gas resources
5	sediment transport
5	hydrology
5	biodiversity
5	geologic maps
5	volcanic activity
4	tsunamis

Science Topics term usage Friday, 2012-07-20