USGS - science for a changing world

Science Topics

Science Topics term usage Sunday, 2007-08-26

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

Scripts used

975science
72kwic
54combine

Browse terms chosen

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

49geographic information systems (GIS)
45earthquakes
19health and disease
19volcanoes
16habitats
16mineral resources
16tectonic processes
14droughts
13climate change
12earthquake occurrences
11acid deposition
10aerial photography
10hazards
8earth structure
7maps and atlases
7water quality
7ground water
7floods
7sediment transport
7global change
7oil resources
7aquatic biology
6global warming
6landslides
6computational methods
6rocks and deposits
6contamination and pollution
6volcanic activity
6tsunamis
6geologic structure
6information system design and development
6topics
6sea-level change
6surface water (non-marine)
5land surface characteristics
5desert ecosystems
5ocean sciences
5hurricanes
5geospatial datasets
5energy resources

KWIC index letters chosen

bar graph showing usage of each letter

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Page Last Modified: Friday, 25-Apr-2008 17:34:58 EDT