USGS - science for a changing world

Science Topics

Science Topics term usage Monday, 2005-08-29

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

Scripts used

1988science
198combine
99kwic

Browse terms chosen

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

101earthquakes
65geographic information systems (GIS)
57volcanoes
40surface water (non-marine)
35hurricanes
33maps and atlases
32earthquake occurrences
30aerial photography
29storms
29energy resources
24water quality
23earth structure
22oil resources
21tectonic processes
19tsunamis
18streamflow
18floods
18hydrology
18mineral resources
17animals
17coastal zones
15natural gas resources
15contamination and pollution
14real-time monitoring and reporting
14ground water
14geologic structure
13meteorites
13topography
13human impacts
13rocks and deposits
12ecology
12remote sensing
12climate change
11image collections
11water resources
11geochemistry
11earth sciences
10geologic history
10snow and ice cover
9cartography

KWIC index letters chosen

bar graph showing usage of each letter

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