Science Topics term usage 2007-10-16

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.)

122	earthquakes
92	volcanoes
66	geographic information systems (GIS)
54	earthquake occurrences
26	mineral resources
25	tectonic processes
25	climate change
23	streamflow
23	human impacts
22	earth structure
21	acid deposition
20	erosion
19	contamination and pollution
19	real-time monitoring and reporting
19	ground water
17	coastal zones
17	water supply and demand
16	producers (organisms)
16	water quality
16	rocks and deposits
15	global warming
15	ground-water flow
15	floods
14	geologic structure
14	desert ecosystems
13	health and disease
13	energy resources
12	tsunamis
12	pesticide and herbicide contamination
12	global change
12	maps and atlases
11	hazards
11	volcanic activity
11	land use and land cover
11	endangered species
11	crust (earth)
10	topics
10	glaciation
10	landslides
10	hurricanes

Science Topics term usage Tuesday, 2007-10-16