Science Topics term usage 2007-09-18

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.)

101	geographic information systems (GIS)
94	earthquakes
57	volcanoes
48	information system design and development
31	earth structure
30	earthquake occurrences
29	human impacts
23	hurricanes
21	tectonic processes
20	contamination and pollution
20	real-time monitoring and reporting
19	energy resources
18	erosion
18	climate change
17	tsunamis
17	maps and atlases
17	acid deposition
15	geologic structure
15	mineral resources
15	ground water
15	biogeography
14	floods
13	volcanic activity
13	rocks and deposits
13	ground-water flow
12	earth characteristics
12	desert ecosystems
12	geologic history
12	water properties
12	scientific careers
12	sea-floor characteristics
11	plants (organisms)
11	impact cratering
11	animals
11	fires
10	glaciation
10	field sampling
10	drainage basins
10	aquatic ecosystems
10	landslides

Science Topics term usage Tuesday, 2007-09-18