Science Topics term usage 2008-02-27

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.)

226	earthquakes
107	earthquake occurrences
95	real-time monitoring and reporting
92	geographic information systems (GIS)
57	volcanoes
34	habitat alteration
31	ocean-atmosphere interaction
26	acid deposition
25	water supply and demand
18	earth structure
18	tectonic processes
18	climate change
17	geologic history
17	animals
15	mineral resources
15	endangered species
14	floods
13	USGS Quadrangles
13	sediment transport
12	ground water
12	desert ecosystems
12	tsunamis
11	river systems
11	invasive species
11	water cycle
11	aquatic ecosystems
11	biodiversity
11	hurricanes
11	geologic structure
11	ground-water flow
10	oil resources
10	water quality
10	human impacts
10	topography
10	erosion
9	land surface characteristics
9	rocks and deposits
9	volcanic activity
9	plants (organisms)
9	earth characteristics

Science Topics term usage Wednesday, 2008-02-27