Science Topics term usage 2006-02-28

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.)

253	volcanoes
224	earthquakes
74	geographic information systems (GIS)
56	tectonic processes
42	earthquake occurrences
41	animals
39	earth structure
38	rocks and deposits
37	aerial photography
35	erosion
34	landslides
33	geologic history
33	tsunamis
31	streamflow
30	hazards
29	contamination and pollution
29	health and disease
29	mineral resources
28	seismology
25	magnetic field (earth)
23	plants (organisms)
23	energy resources
23	real-time monitoring and reporting
22	climate change
21	water use
21	geochemistry
21	maps and atlases
20	water properties
20	floods
20	ground water
19	acid deposition
19	wildlife
18	snow and ice cover
18	remote sensing
18	water quality
17	geologic structure
17	earthquake probabilities
16	invasive species
16	marine geology
16	global change

Science Topics term usage Tuesday, 2006-02-28