USGS - science for a changing world

Science Topics

Science Topics term usage Sunday, 2008-01-13

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

Scripts used

1208science
111combine
99kwic

Browse terms chosen

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

40earthquakes
38volcanoes
35videography
33geographic information systems (GIS)
16earth structure
16earthquake occurrences
12acid deposition
12bacteria
11climate change
11contamination and pollution
10sediment transport
9ecosystem monitoring
9cartography
9animals
9desert ecosystems
8landslides
8storms
8health and disease
8global warming
8human impacts
7ocean characteristics
7ground water
7river systems
7natural gas resources
7mineral resources
7engineering sciences
7biodiversity
7volcanic activity
7global change
7precipitation (atmospheric)
7water quality
6snow and ice cover
6marine biology
6ground-water flow
6geologic history
6erosion
6droughts
6magnetic field (earth)
6water resources
6sea-floor characteristics

KWIC index letters chosen

bar graph showing usage of each letter

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Page Last Modified: Friday, 25-Apr-2008 17:35:00 EDT