USGS - science for a changing world

Science Topics

Science Topics term usage Monday, 2007-07-30

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

Scripts used

1356science
114kwic
66combine

Browse terms chosen

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

72geographic information systems (GIS)
37earthquakes
29biological informatics
19contamination and pollution
19earth structure
16volcanoes
16stream-gage measurement
15water resources
13maps and atlases
12energy resources
12water properties
12water supply and demand
11mineral resources
11landslides
11real-time monitoring and reporting
10earthquake occurrences
10rocks and deposits
9sea-floor characteristics
9geospatial datasets
9botany
9hurricanes
9streamflow
9aerial photography
9coastal zones
8snow and ice cover
8cartography
8topography
8hydrology
8droughts
8surface water (non-marine)
8ground-water flow
7natural gas resources
7geologic history
7tsunamis
7coal resources
7information system design and development
7water quality
7precipitation (atmospheric)
6geochemistry
6geospatial analysis

KWIC index letters chosen

bar graph showing usage of each letter

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Page Last Modified: Friday, 25-Apr-2008 17:34:57 EDT