USGS - science for a changing world

Science Topics

Science Topics term usage Wednesday, 2005-11-09

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

Scripts used

3388science
246kwic
226combine

Browse terms chosen

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

203earthquakes
132volcanoes
101geographic information systems (GIS)
68mineral resources
66tectonic processes
63earth structure
62earthquake occurrences
50maps and atlases
47energy resources
38contamination and pollution
35ground water
33water quality
32rocks and deposits
32surface water (non-marine)
29geologic structure
29tsunamis
28coastal zones
27animals
26human impacts
26aerial photography
24erosion
24geologic history
24ground-water flow
24snow and ice cover
23seismology
23oil resources
23geochemistry
21global change
21topography
21landslides
21streamflow
21health and disease
20real-time monitoring and reporting
19biogeography
19succession (biological)
19remote sensing
19ecosystems
19water supply and demand
18geography
18climate change

KWIC index letters chosen

bar graph showing usage of each letter

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Page Last Modified: Friday, 25-Apr-2008 17:34:48 EDT