USGS - science for a changing world

Science Topics

Science Topics term usage Saturday, 2009-07-11

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

Scripts used

1878science
303combine
67kwic

Browse terms chosen

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

546earthquakes
252earthquake occurrences
77volcanoes
63maps and atlases
53real-time monitoring and reporting
30energy resources
25mineral resources
24map interfaces
24water quality
23ground water
22remote sensing
21topographic maps
21climate change
19floods
19surface water (non-marine)
18invasive species
18geospatial analysis
18earthquake probabilities
16contamination and pollution
13environmental health (human)
12droughts
12fires
10oil resources
10seismology
10avian influenza
7geologic maps
7acid deposition
6coal resources
6river systems
6water resources
5human impacts
5soil resources
4tectonic processes
4erosion
4ecosystems
4animals
4social sciences
4impact cratering
4endangered species
4topography

KWIC index letters chosen

bar graph showing usage of each letter

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Page Last Modified: Wednesday, 15-Jul-2009 09:28:42 EDT