Science Topics term usage 2007-03-15

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.)

102	earthquakes
94	geographic information systems (GIS)
88	volcanoes
48	ocean salinity
38	earthquake occurrences
26	geothermal resources
25	acid deposition
24	earth structure
21	floods
19	rocks and deposits
19	ground water
19	tectonic processes
18	landslides
18	climate change
18	tsunamis
17	energy resources
16	earth sciences
15	hurricanes
15	human impacts
14	map coordinate systems
14	oil resources
14	mineral resources
14	land use and land cover
14	precipitation (atmospheric)
14	animals
13	contamination and pollution
13	geologic structure
12	magnetic field (earth)
12	sediment transport
12	water quality
12	streamflow
11	remote sensing
11	earthquake probabilities
11	erosion
11	GPS measurement
11	water properties
11	ground-water flow
10	hydrology
10	droughts
10	geography

Science Topics term usage Thursday, 2007-03-15