USGS - science for a changing world

Science Topics

Science Topics term usage Friday, 2006-05-19

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

Scripts used

2188science
499combine
235kwic

Browse terms chosen

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

210volcanoes
173earthquakes
64geographic information systems (GIS)
37real-time monitoring and reporting
32streamflow
29earthquake occurrences
28tectonic processes
26surface water (non-marine)
25energy resources
25earth structure
24tsunamis
21floods
20volcanic activity
19land use and land cover
19mineral resources
18health and disease
17acid deposition
17geologic history
17water quality
17animals
16ground water
16meteorites
15rocks and deposits
15climate change
14gravitational field (earth)
14oil resources
14snow and ice cover
13contamination and pollution
13precipitation (atmospheric)
13erosion
13landslides
13aerial photography
13endangered species
13plants (organisms)
12maps and atlases
12ground-water flow
12remote sensing
11runoff
11geospatial analysis
10ecosystems

KWIC index letters chosen

bar graph showing usage of each letter

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