Science Topics term usage 2010-09-24

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.)

497	earthquakes
162	earthquake occurrences
119	volcanoes
104	aquatic biology
74	maps and atlases
52	real-time monitoring and reporting
35	topographic maps
35	mineral resources
35	floods
32	climate change
28	energy resources
26	contamination and pollution
25	surface water (non-marine)
25	droughts
25	groundwater
22	map interfaces
21	water quality
20	invasive species
20	geospatial analysis
20	remote sensing
17	geologic maps
14	earthquake probabilities
13	volcanic activity
13	avian influenza
13	seismology
12	environmental health (human)
12	fires
11	acid deposition
10	oil resources
10	surface water quality
9	animals
9	human impacts
9	geologic history
8	earth structure
7	river systems
7	soil resources
7	streamflow
6	biogeography
6	rocks and deposits
6	plants (organisms)

Science Topics term usage Friday, 2010-09-24