USGS - science for a changing world

Science Topics

Science Topics term usage Wednesday, 2007-01-10

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

Scripts used

1928science
141kwic
114combine

Browse terms chosen

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

131geographic information systems (GIS)
124earthquakes
109volcanoes
44tsunamis
39earthquake occurrences
24consumers (organisms)
22earth structure
20acid deposition
18contamination and pollution
18geologic history
18human impacts
18tectonic processes
18mineral resources
16water quality
16outer core (earth)
15endangered species
15map coordinate systems
15floods
14landslides
14ground water
13river systems
13global warming
13wildlife biology
13climate change
13animals
12rocks and deposits
12topography
12zoology
11health and disease
11hurricanes
10real-time monitoring and reporting
10aerial photography
10ground-water flow
9magnetic field (earth)
9snow and ice cover
9streamflow
9water cycle
9invasive species
9ecosystems
8ecological processes

KWIC index letters chosen

bar graph showing usage of each letter

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