Science Topics term usage 2011-01-14

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.)

1140	earthquakes
320	earthquake occurrences
236	volcanoes
100	maps and atlases
66	real-time monitoring and reporting
50	floods
47	mineral resources
40	groundwater
38	energy resources
34	climate change
32	topographic maps
32	earthquake probabilities
27	geospatial analysis
26	map interfaces
23	surface water (non-marine)
23	seismology
22	contamination and pollution
22	geologic maps
21	remote sensing
20	avian influenza
18	erosion
16	water quality
16	invasive species
16	environmental health (human)
15	droughts
14	volcanic activity
13	oil resources
11	acid deposition
11	surface water quality
9	hazards
9	endangered species
9	fires
8	earth structure
7	stream-gage measurement
7	animals
7	wildlife
7	land use and land cover
6	magnetic field (earth)
6	natural gas resources
6	stream discharge

Science Topics term usage Friday, 2011-01-14