Science Topics term usage 2011-06-15

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.)

666	earthquakes
349	volcanoes
208	earthquake occurrences
96	maps and atlases
76	real-time monitoring and reporting
62	floods
52	surface water (non-marine)
52	climate change
49	mineral resources
48	map interfaces
43	geospatial analysis
41	groundwater
38	water quality
38	energy resources
32	contamination and pollution
26	droughts
22	oil resources
22	remote sensing
22	invasive species
22	earthquake probabilities
20	land use and land cover
20	hydrology
19	fires
19	topographic maps
14	human impacts
13	seismology
13	avian influenza
13	acid deposition
12	environmental health (human)
10	streamflow
10	surface water quality
9	earth sciences
9	tsunamis
9	geochemistry
9	microbiology
9	biological and physical processes
9	volcanic activity
8	earth structure
8	stream-gage measurement
8	geographic information systems (GIS)

Science Topics term usage Wednesday, 2011-06-15