Science Topics term usage 2009-01-19

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.)

571	earthquakes
234	earthquake occurrences
126	volcanoes
115	maps and atlases
65	USGS map servers
57	real-time monitoring and reporting
48	climate change
46	topographic maps
44	energy resources
43	mineral resources
34	avian influenza
34	floods
33	water quality
33	ground water
31	remote sensing
31	geospatial analysis
30	surface water (non-marine)
29	droughts
29	contamination and pollution
23	environmental health (human)
23	invasive species
21	geologic maps
20	desert ecosystems
19	seismology
16	health and disease
13	river systems
11	fires
11	earthquake probabilities
11	life sciences
11	tectonic processes
11	surface water quality
10	zoology
10	acid deposition
10	land use and land cover
10	oil resources
10	human impacts
9	earth structure
9	ground-water quality
9	earth characteristics
8	endangered species

Science Topics term usage Monday, 2009-01-19