USGS - science for a changing world

Science Topics

Science Topics term usage Friday, 2007-07-27

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

Scripts used

1625science
132kwic
90combine

Browse terms chosen

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

85geographic information systems (GIS)
67hyperspectral imaging
49earthquakes
25animals
24ground water
20earthquake occurrences
17rocks and deposits
16earth structure
16mineral resources
14tectonic processes
13geologic history
12real-time monitoring and reporting
12acid deposition
12wildlife
11ground-water flow
11water resources
11volcanoes
10natural gas resources
10geologic structure
10surface water (non-marine)
10climate change
10streamflow
10energy resources
10water quality
9tsunamis
9planetary bodies
9vertebrates
8lakes
8aquatic ecosystems
8mathematical modeling
8contamination and pollution
8remote sensing
8invasive species
8magnetic field (earth)
8human impacts
7GPS measurement
7topography
7aerial photography
7geography
7land use change

KWIC index letters chosen

bar graph showing usage of each letter

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