Science Topics term usage 2006-01-29

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.)

120	volcanoes
110	earthquakes
41	geographic information systems (GIS)
39	earth structure
37	tectonic processes
35	aerial photography
34	real-time monitoring and reporting
34	earthquake occurrences
30	energy resources
26	remote sensing
24	geologic structure
23	erosion
22	mineral resources
18	contamination and pollution
15	geologic history
14	acid deposition
13	sedimentation
12	tsunamis
12	ecosystems
12	storms
12	maps and atlases
12	health and disease
12	natural gas resources
12	biological and physical processes
12	landslides
12	ecology
11	cartography
11	climate change
11	magnetic field (earth)
11	water resources
11	hazards
10	floods
10	geography
10	biodiversity
10	water quality
10	water supply and demand
9	wildlife biology
9	crust (earth)
9	ecological processes
9	natural resource extraction

Science Topics term usage Sunday, 2006-01-29