USGS - science for a changing world

Science Topics

Science Topics term usage Sunday, 2006-07-09

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

Scripts used

731science
66kwic
39combine

Browse terms chosen

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

68gravitational field (earth)
59geographic information systems (GIS)
47volcanoes
28earthquakes
26gold ores
11tectonic processes
9ground-water flow
8maps and atlases
8oil resources
8acid deposition
8geochemistry
8rocks and deposits
7human impacts
7water resources
7geologic history
6energy resources
6earth structure
6erosion
6topography
6volcanic activity
5natural resource extraction
5water properties
5geologic structure
5bouguer anomaly
5geologic processes
5sediment transport
5coastal zones
5land surface characteristics
5wildlife
5real-time monitoring and reporting
5endangered species
5natural resource exploration
4river systems
4aerial photography
4aquifers
4waste treatment and disposal
4birds
4magnetic field (earth)
4climate change
4ecology

KWIC index letters chosen

bar graph showing usage of each letter

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