USGS - science for a changing world

Science Topics

Science Topics term usage Friday, 2008-08-22

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

Scripts used

2384science
404combine
56kwic

Browse terms chosen

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

533earthquakes
223earthquake occurrences
122maps and atlases
82volcanoes
81USGS map servers
64real-time monitoring and reporting
59climate change
46floods
44ground water
43surface water (non-marine)
41mineral resources
34remote sensing
34contamination and pollution
32energy resources
32water quality
31geospatial analysis
30droughts
25avian influenza
21environmental health (human)
21fires
20invasive species
17earthquake probabilities
14seismology
14surface water quality
13life sciences
12USGS Quadrangles
10river systems
10human impacts
9acid deposition
9earth structure
9oil resources
9hydrology
8transect sampling
8USGS budget
8animals
7cartography
7erosion
7tectonic processes
6land use and land cover
6geochemistry

KWIC index letters chosen

bar graph showing usage of each letter

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Page Last Modified: Tuesday, 26-Aug-2008 00:18:32 EDT