USGS - science for a changing world

Science Topics

Science Topics term usage Friday, 2011-08-05

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

Scripts used

1880science
319combine
54kwic

Browse terms chosen

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

433earthquakes
296volcanoes
111earthquake occurrences
77maps and atlases
46real-time monitoring and reporting
36mineral resources
34climate change
30topographic maps
29energy resources
27groundwater
27surface water (non-marine)
22map interfaces
22water quality
21floods
21droughts
19earthquake probabilities
17geospatial analysis
14land use and land cover
13contamination and pollution
12remote sensing
12seismology
12volcanic activity
12oil resources
11geochemistry
10geologic maps
10invasive species
10streamflow
9petroleum
9avian influenza
8hydrology
8environmental health (human)
7geographic information systems (GIS)
6microbiology
6fires
6life sciences
5biodiversity
5surface water quality
5soil resources
5metallic ores
5gravitational field (earth)

KWIC index letters chosen

bar graph showing usage of each letter

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