Science Topics term usage 2006-12-11

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.)

121	geographic information systems (GIS)
110	earthquakes
99	volcanoes
82	geolocation measurement
30	earthquake occurrences
28	tectonic processes
27	earth structure
24	coastal zones
23	tsunamis
23	floods
22	acid deposition
21	contamination and pollution
21	climate change
18	rocks and deposits
18	water quality
18	geologic history
17	erosion
17	GPS measurement
17	landslides
16	human impacts
16	global warming
16	industrial pollution
15	maps and atlases
15	seismology
15	aerial photography
15	cartography
15	sea-floor characteristics
15	mineral resources
14	geologic structure
14	land use and land cover
14	geography
14	ground-water flow
13	marine geology
13	ocean characteristics
13	hurricanes
13	precipitation (atmospheric)
13	desertification
12	plants (organisms)
12	sediment transport
12	animals

Science Topics term usage Monday, 2006-12-11