Science Topics term usage 2006-11-03

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.)

100	earthquakes
74	volcanoes
51	geographic information systems (GIS)
40	earth structure
35	earthquake occurrences
31	micropaleontology
31	tectonic processes
22	acid deposition
21	water quality
19	grain-size analysis
18	ground water
17	geologic structure
17	contamination and pollution
17	water resources
17	real-time monitoring and reporting
16	floods
16	ground-water flow
15	tsunamis
15	erosion
15	ecosystems
15	oil resources
14	magnetic field (earth)
14	animals
14	landslides
14	rocks and deposits
14	water supply and demand
13	endangered species
13	streamflow
13	maps and atlases
13	climate change
13	vertebrates
13	invasive species
12	mineral resources
12	water use
12	outer core (earth)
12	ocean characteristics
12	global change
12	health and disease
11	geologic history
11	human impacts

Science Topics term usage Friday, 2006-11-03