Science Topics term usage 2007-02-09

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.)

118	geographic information systems (GIS)
110	volcanoes
102	earthquakes
37	biodiversity
35	earthquake occurrences
31	climate change
28	earth structure
23	ground water
22	animals
22	acid deposition
20	tectonic processes
20	geospatial datasets
18	tsunamis
17	global warming
16	water quality
16	erosion
15	maps and atlases
15	water resources
15	oil resources
14	cartography
13	aerial photography
13	rocks and deposits
12	energy resources
12	global change
12	hurricanes
12	precipitation (atmospheric)
12	geologic structure
12	floods
12	health and disease
12	contamination and pollution
11	protists
11	ground-water flow
11	human impacts
10	industrial pollution
10	atmospheric and climatic processes
10	remote sensing
9	mineral resources
9	land use and land cover
9	volcanic activity
9	earth characteristics

Science Topics term usage Friday, 2007-02-09