Science Topics term usage 2008-07-16

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.)

345	earthquakes
170	volcanoes
152	maps and atlases
127	earthquake occurrences
88	USGS map servers
81	real-time monitoring and reporting
80	energy resources
56	mineral resources
53	climate change
50	water quality
47	floods
47	geospatial analysis
43	ground water
41	surface water (non-marine)
37	oil resources
34	avian influenza
32	contamination and pollution
30	fires
30	droughts
29	remote sensing
25	environmental health (human)
23	invasive species
19	earthquake probabilities
15	natural gas resources
13	seismology
13	river systems
11	USGS maps on demand
10	USGS budget
9	stream-gage measurement
8	ground-water quality
8	acid deposition
8	surface water quality
8	health and disease
8	earth structure
7	geothermal resources
6	endangered species
6	aquatic ecosystems
6	water resources
6	sediment transport
6	land use and land cover

Science Topics term usage Wednesday, 2008-07-16