USGS - science for a changing world

Science Topics

Science Topics term usage Saturday, 2007-03-10

This analysis excludes the activity of search-engine spiders, USGS users, and transactions resulting in errors.

Scripts used

1146science
88kwic
43combine

Browse terms chosen

(Table shows only the 40 most frequently chosen terms.)

61geographic information systems (GIS)
38earthquakes
36volcanoes
24agricultural sites
18earthquake occurrences
16earth structure
14floods
14tectonic processes
14climate change
12ground water
11field sampling
10topography
10rocks and deposits
9land use and land cover
9energy resources
9map coordinate systems
9geography
8volcanic activity
8mineral resources
8acid deposition
8tsunamis
7birds
7meteorites
7oil resources
7planetary bodies
7desert ecosystems
7global warming
7coastal zones
7land surface characteristics
6streamflow
6seismology
6ground-water level
6natural gas resources
6contamination and pollution
6ocean characteristics
6global change
6aeroradiometric surveying
6mathematical modeling
6animals
5invertebrates

KWIC index letters chosen

bar graph showing usage of each letter

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