Science Topics term usage 2006-09-04

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.)

65	earthquakes
65	volcanoes
63	electromagnetic surveying
56	geographic information systems (GIS)
47	seismology
33	earth structure
30	maps and atlases
28	earthquake occurrences
24	tectonic processes
22	climate change
21	mineral resources
20	coastal zones
19	human impacts
19	acid deposition
18	ocean characteristics
18	meteorites
18	energy resources
17	ground-water flow
16	tsunamis
16	geologic history
15	geologic structure
15	biodiversity
14	field sampling
14	marine geology
14	animals
14	geospatial datasets
14	water properties
13	magnetic field (earth)
13	sea-floor characteristics
13	aerial photography
13	image collections
13	planetary bodies
12	photography
12	mining hazards
12	Lower Hudson
11	cartography
11	marine biology
11	erosion
11	precipitation (atmospheric)
11	global change

Science Topics term usage Monday, 2006-09-04