Science Topics term usage 2007-03-08

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.)

112	volcanoes
107	geographic information systems (GIS)
95	earthquakes
58	tides (oceanic)
36	maps and atlases
33	earthquake occurrences
28	mineral resources
23	tectonic processes
23	floods
22	rocks and deposits
21	geologic history
20	ground water
19	climate change
19	earth structure
19	tsunamis
18	acid deposition
17	human impacts
17	global change
16	global warming
15	volcanic activity
15	map coordinate systems
14	contamination and pollution
13	landslides
13	energy resources
13	long-term ecological monitoring
12	hurricanes
12	erosion
12	ocean characteristics
12	ocean circulation
12	volcanic eruption prediction
11	land use and land cover
11	impact cratering
11	geologic structure
11	natural gas resources
10	geography
10	health and disease
10	aerial photography
10	animals
10	cartography
10	remote sensing

Science Topics term usage Thursday, 2007-03-08