Science Topics term usage 2009-11-12

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.)

1420	earthquakes
604	earthquake occurrences
467	volcanoes
251	maps and atlases
196	real-time monitoring and reporting
164	floods
144	mineral resources
124	energy resources
124	climate change
112	water quality
110	ground water
104	surface water (non-marine)
96	remote sensing
87	topographic maps
83	map interfaces
83	seismology
81	contamination and pollution
79	geologic maps
66	geospatial analysis
57	avian influenza
57	droughts
54	earthquake probabilities
50	invasive species
50	fires
50	human impacts
49	environmental health (human)
37	oil resources
35	life sciences
31	tsunamis
31	surface water quality
29	ground-water flow
27	land use and land cover
27	ground-water quality
27	acid deposition
26	animals
25	erosion
24	tectonic processes
24	river systems
24	soil resources
24	endangered species

Science Topics term usage Thursday, 2009-11-12