Science Topics term usage 2005-12-07

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.)

256	earthquakes
174	volcanoes
115	geographic information systems (GIS)
73	earthquake occurrences
69	geologic history
57	tectonic processes
54	maps and atlases
52	earth structure
42	rocks and deposits
41	energy resources
40	landslides
40	ground water
37	human impacts
35	tsunamis
35	water quality
34	contamination and pollution
33	aerial photography
32	mineral resources
31	animals
31	remote sensing
30	climate change
30	mining hazards
29	topics
29	hazards
29	land surface characteristics
28	geography
28	geospatial datasets
28	coastal zones
27	water resources
27	geologic structure
27	fires
26	snow and ice cover
26	geology
26	ground-water flow
24	precipitation (atmospheric)
24	global change
24	storms
24	topography
24	erosion
23	ocean characteristics

Science Topics term usage Wednesday, 2005-12-07