Science Topics term usage 2009-01-15

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.)

892	earthquakes
377	earthquake occurrences
171	volcanoes
127	maps and atlases
93	real-time monitoring and reporting
72	climate change
64	USGS map servers
57	ground water
54	topographic maps
54	mineral resources
51	energy resources
51	water quality
48	invasive species
47	floods
46	contamination and pollution
43	geospatial analysis
37	surface water (non-marine)
37	remote sensing
36	geologic maps
31	droughts
30	avian influenza
28	earthquake probabilities
26	environmental health (human)
26	seismology
25	animals
25	human impacts
21	fires
21	health and disease
16	acid deposition
16	oil resources
13	earth structure
13	river systems
13	hydrology
13	desert ecosystems
11	tsunamis
11	aerial photography
11	social sciences
11	hydrogeology
11	natural gas resources
11	precipitation (atmospheric)

Science Topics term usage Thursday, 2009-01-15