Science Topics term usage 2006-10-07

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.)

32	volcanoes
28	earthquakes
27	geographic information systems (GIS)
22	micropaleontology
15	tectonic processes
14	animals
13	earth structure
11	rocks and deposits
10	acid deposition
9	surface water quality
9	earthquake occurrences
8	oil resources
8	information system design and development
7	birds
7	climate change
7	coelenterates
6	energy resources
6	hurricanes
6	erosion
6	geologic structure
6	pesticide and herbicide contamination
6	sedimentation
6	ground water
6	geologic history
6	earthquake probabilities
6	contamination and pollution
5	aerial photography
5	endangered species
5	outer core (earth)
5	health and disease
5	sea-floor characteristics
5	grassland ecosystems
5	coal resources
5	geolocation measurement
5	ocean temperature
5	human impacts
5	mineral resources
5	paleontology
5	global warming
5	desert ecosystems

Science Topics term usage Saturday, 2006-10-07