USGS - science for a changing world

Science Topics

Science Topics term usage Thursday, 2005-08-18

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

Scripts used

1568science
144combine
122kwic

Browse terms chosen

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

81earthquakes
62geographic information systems (GIS)
49volcanoes
32surface water (non-marine)
25maps and atlases
23energy resources
22streamflow
21tectonic processes
20earthquake occurrences
19mineral resources
16animals
16ground water
16geospatial datasets
16water quality
15geologic structure
15floods
14tsunamis
14mathematical modeling
14hydrology
13geochemistry
13planetary bodies
13geography
13invasive species
12earth structure
12geology
11earth sciences
11hazards
11cartography
11aerial photography
11ocean characteristics
11magnetic field (earth)
10structural geology
10ecology
10stream-gage measurement
10marine geology
10river systems
9impact cratering
9life sciences
8remote sensing
8aquifers

KWIC index letters chosen

bar graph showing usage of each letter

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Page Last Modified: Friday, 25-Apr-2008 17:34:47 EDT