Science Topics term usage 2010-02-05

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.)

1980	earthquakes
821	earthquake occurrences
336	volcanoes
192	real-time monitoring and reporting
166	maps and atlases
103	mineral resources
95	floods
89	climate change
89	earthquake probabilities
88	ground water
80	surface water (non-marine)
62	energy resources
61	topographic maps
51	map interfaces
50	water quality
45	remote sensing
42	seismology
42	contamination and pollution
37	droughts
37	geologic maps
36	fires
35	geospatial analysis
35	invasive species
34	river systems
33	acid deposition
33	volcanic activity
30	California
29	nonmetallic mineral resources
29	earth structure
26	tectonic processes
25	environmental health (human)
24	snow and ice cover
23	land use and land cover
23	avian influenza
20	hazards
20	human impacts
19	tsunamis
19	earth sciences
18	stream-gage measurement
18	oil resources

Science Topics term usage Friday, 2010-02-05