USGS - science for a changing world

Science Topics

Science Topics term usage Friday, 2005-09-16

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

Scripts used

2933science
219combine
152kwic

Browse terms chosen

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

183earthquakes
136volcanoes
56geographic information systems (GIS)
55earthquake occurrences
54tectonic processes
40tsunamis
39storms
38animals
36endangered species
34acid deposition
33earth structure
30maps and atlases
30floods
29energy resources
28fires
28mineral resources
27surface water (non-marine)
26snow and ice cover
22geologic history
22invasive species
22aerial photography
21tornadoes
20landslides
20oil resources
19wildlife
19meteorites
19geography
19climate change
18geologic processes
18hurricanes
18human impacts
17coastal zones
17real-time monitoring and reporting
17hazards
17rocks and deposits
17planetary bodies
17image collections
17precipitation (atmospheric)
17health and disease
17streamflow

KWIC index letters chosen

bar graph showing usage of each letter

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