Science Topics term usage 2007-11-25

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.)

59	volcanoes
48	earthquakes
35	geographic information systems (GIS)
34	sea surface temperature
18	earthquake occurrences
15	earth structure
14	culture and demographics
11	water quality
9	water resources
9	hurricanes
9	ocean characteristics
9	climate change
9	tectonic processes
8	volcanology
8	desert ecosystems
8	geologic history
8	nutrient content (water)
8	volcanic activity
8	aquatic ecosystems
7	ground water
7	information system design and development
7	water supply and demand
7	river systems
7	human impacts
6	keystone species
6	Florida
6	magnetic field (earth)
6	ocean temperature
6	volcanic eruption prediction
6	oil resources
6	water properties
6	mineral resources
6	earth characteristics
5	cartography
5	eutrophication
5	energy resources
5	plants (organisms)
5	contamination and pollution
5	animals
5	acid deposition

Science Topics term usage Sunday, 2007-11-25