Science Topics term usage 2005-11-07

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.)

150	earthquakes
105	volcanoes
77	geographic information systems (GIS)
50	tectonic processes
48	maps and atlases
47	energy resources
45	earthquake occurrences
38	landslides
38	earth structure
37	contamination and pollution
37	human impacts
35	ground water
34	rocks and deposits
30	tsunamis
29	nonvascular plants
29	animals
29	hazards
29	health and disease
28	ocean characteristics
27	geologic structure
26	remote sensing
25	coastal zones
25	ground-water flow
24	climate change
24	erosion
22	geologic history
22	topography
22	water quality
22	magnetic field (earth)
21	water resources
21	mineral resources
20	floods
20	surface water (non-marine)
20	oil resources
20	storms
19	land surface characteristics
19	geology
19	planetary bodies
18	volcanic activity
17	natural gas resources

Science Topics term usage Monday, 2005-11-07