USGS - science for a changing world

Science Topics

Science Topics term usage Monday, 2007-08-20

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

Scripts used

1537science
132combine
124kwic

Browse terms chosen

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

102geographic information systems (GIS)
78earthquakes
63land subsidence
59volcanoes
34cartography
34earthquake occurrences
33stream-gage measurement
29hurricanes
27real-time monitoring and reporting
17ground-water flow
17climate change
16earth structure
14scientific careers
12volcanic activity
12energy resources
12streamflow
12mineral resources
11tectonic processes
11map coordinate systems
10floods
10topography
10maps and atlases
10hydrology
9droughts
9rocks and deposits
9water chemistry
9animals
8geomorphology
8global warming
8global change
8acid deposition
8river systems
7drainage basins
7magnetic field (earth)
7coastal zones
7land surface characteristics
7geologic structure
7natural gas resources
7ocean characteristics
7ground water

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