USGS - science for a changing world

Science Topics

Science Topics term usage Thursday, 2009-07-30

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

Scripts used

1018science
119combine
25kwic

Browse terms chosen

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

200earthquakes
79earthquake occurrences
50maps and atlases
49volcanoes
43real-time monitoring and reporting
28energy resources
25climate change
25topographic maps
20mineral resources
19ground water
18geospatial analysis
18surface water (non-marine)
17remote sensing
16map interfaces
15water quality
15droughts
14floods
10environmental health (human)
10oil resources
10avian influenza
10invasive species
10fires
9contamination and pollution
7surface water quality
6land use and land cover
5nonpoint-source pollution
5earth structure
4Texas
4hydrology
4ocean processes
4river systems
4streamflow
4ground-water quality
4metallic ores
4seismology
4ground-water flow
4geography
4geomorphology
4tectonic processes
3water resources

KWIC index letters chosen

bar graph showing usage of each letter

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