Science Topics term usage 2008-02-14

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.)

146	topography
105	earthquakes
81	geographic information systems (GIS)
37	volcanoes
32	earthquake occurrences
25	real-time monitoring and reporting
23	acid deposition
23	contamination and pollution
19	tectonic processes
19	aerial photography
18	geospatial datasets
18	ocean characteristics
17	global warming
16	climate change
15	magnetic field (earth)
15	rocks and deposits
14	earth structure
14	floods
14	energy resources
13	sea-floor characteristics
13	land surface characteristics
13	topics
13	precipitation (atmospheric)
12	mineral resources
12	animals
12	desert ecosystems
12	ground-water flow
12	erosion
11	stream-gage measurement
11	geography
11	land use and land cover
11	sediment transport
10	water quality
10	streamflow
10	human impacts
10	maps and atlases
9	geologic structure
9	invertebrate zoology
9	endangered species
9	oceanic lithosphere

Science Topics term usage Thursday, 2008-02-14