Science Topics term usage 2008-02-26

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.)

91	earthquakes
65	geographic information systems (GIS)
56	volcanoes
46	ocean-atmosphere interaction
39	earthquake occurrences
29	human impacts
22	animals
21	climate change
21	ground water
20	contamination and pollution
19	acid deposition
19	ocean characteristics
18	tectonic processes
17	earth structure
17	rocks and deposits
16	real-time monitoring and reporting
16	earth characteristics
16	water quality
14	magnetic field (earth)
14	aerial photography
14	erosion
13	streamflow
13	geologic history
13	tsunamis
13	global change
13	invasive species
12	bedforms
12	mineral resources
12	sediment transport
12	water cycle
12	USGS Quadrangles
12	energy resources
12	maps and atlases
12	geologic structure
11	topics
11	stream-gage measurement
11	oil resources
11	coal resources
11	sea-floor characteristics
10	remote sensing

Science Topics term usage Tuesday, 2008-02-26