Science Topics term usage 2006-02-05

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
81	volcanoes
41	geographic information systems (GIS)
38	earthquake occurrences
33	tectonic processes
28	animals
28	earth structure
23	geologic history
21	aerial photography
18	ground water
18	tsunamis
18	energy resources
16	landslides
16	contamination and pollution
15	mineral resources
15	real-time monitoring and reporting
14	acid deposition
13	floods
13	water quality
13	ground-water flow
12	marine geology
12	human impacts
12	streamflow
12	water chemistry
12	aquatic ecosystems
12	land use and land cover
12	geologic processes
12	erosion
11	surface water (non-marine)
10	hazards
10	rocks and deposits
10	terrestrial ecosystems
10	coastal zones
9	sediment transport
9	wildlife
9	organism groupings (non-taxonomic)
9	topics
9	geologic structure
8	stream-gage measurement
8	ecosystems

Science Topics term usage Sunday, 2006-02-05