Science Topics term usage 2012-03-25

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.)

2558	earthquakes
856	earthquake occurrences
138	volcanoes
121	real-time monitoring and reporting
110	seismology
78	maps and atlases
68	earthquake probabilities
50	droughts
48	map interfaces
47	climate change
47	mineral resources
44	surface water (non-marine)
44	groundwater
40	energy resources
35	tsunamis
33	water quality
30	floods
29	remote sensing
27	avian influenza
26	geospatial analysis
26	contamination and pollution
20	invasive species
18	topographic maps
17	environmental health (human)
14	volcanic activity
13	land use and land cover
13	geologic maps
12	oil resources
11	tectonic processes
11	microbiology
8	fires
7	effects of climate change
7	natural gas resources
7	river systems
7	human impacts
7	geologic processes
7	surface water quality
6	groundwater quality
6	hydrologic processes
6	soil resources

Science Topics term usage Sunday, 2012-03-25