USGS - science for a changing world

Science Topics

Science Topics term usage Saturday, 2006-06-03

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

Scripts used

1157science
298combine
90kwic

Browse terms chosen

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

69earthquakes
64volcanoes
61geographic information systems (GIS)
24streamflow
21earthquake occurrences
19surface water (non-marine)
18earth structure
18real-time monitoring and reporting
14ground water
13tectonic processes
13energy resources
13ground-water flow
13diagenesis
12tsunamis
11magnetic field (earth)
11oil resources
11ornithology
11geologic structure
11water resources
10erosion
10land use and land cover
10climate change
9river systems
9geologic history
9animals
9rocks and deposits
8human impacts
8hydrogeology
8sedimentation
8hydrology
8water supply and demand
8maps and atlases
8ecosystems
8acid deposition
7runoff
7birds
7lakes
7stratigraphy
7desert ecosystems
7ecological competition

KWIC index letters chosen

bar graph showing usage of each letter

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