USGS - science for a changing world

Science Topics

Science Topics term usage Wednesday, 2007-02-07

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

Scripts used

2619science
171kwic
86combine

Browse terms chosen

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

147earthquakes
112volcanoes
110geographic information systems (GIS)
43tectonic processes
42ornithology
34earthquake occurrences
32earth structure
27wildlife biology
25climate change
24volcanic activity
23mineral resources
23biogeography
20oil resources
20land use and land cover
20water quality
19aerial photography
19animals
19energy resources
18landslides
18rocks and deposits
18hurricanes
18tsunamis
18geologic history
18ground water
17human impacts
17land surface characteristics
17acid deposition
17population and community ecology
16natural gas resources
16health and disease
14global change
14maps and atlases
14geologic structure
13water supply and demand
13erosion
13industrial pollution
13mining hazards
13gravitational field (earth)
13endangered species
12topics

KWIC index letters chosen

bar graph showing usage of each letter

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