Science Topics term usage 2006-01-12

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.)

251	volcanoes
209	earthquakes
71	geographic information systems (GIS)
49	earthquake occurrences
48	energy resources
45	earth structure
40	remote sensing
39	surface water (non-marine)
37	climate change
34	tectonic processes
34	real-time monitoring and reporting
33	tsunamis
32	acid deposition
32	snow and ice cover
31	mineral resources
30	glacier features
29	ground water
29	floods
29	human impacts
28	rocks and deposits
27	streamflow
27	precipitation (atmospheric)
27	water quality
27	aerial photography
26	maps and atlases
26	glaciation
26	water resources
25	hazards
23	ocean characteristics
23	invasive species
22	marine geology
22	land surface characteristics
21	geologic history
21	geologic structure
20	land use and land cover
20	animals
20	contamination and pollution
20	stream-gage measurement
19	hydrology
19	earthquake probabilities

Science Topics term usage Thursday, 2006-01-12