USGS - science for a changing world

Science Topics

Science Topics term usage Saturday, 2007-06-23

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

Scripts used

713science
56kwic
24combine

Browse terms chosen

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

38geographic information systems (GIS)
28risk assessment
17earthquakes
16volcanoes
15streamflow
10earth structure
8economic geology
7rocks and deposits
7stream-gage measurement
7mineral resources
7hazards
7industrial pollution
7earthquake probabilities
6landslides
6earthquake occurrences
6metallic ores
6maps and atlases
6aerial photography
6acid deposition
6tectonic processes
6river systems
5surface water (non-marine)
5topography
5cartography
5volcanic features
5coal resources
5water properties
5ground water
5erosion
5remote sensing
5marine geology
4tsunamis
4earth history
4impact cratering
4gold ores
4magnetic field (earth)
4ground-water flow
4floods
4water resources
4lakes

KWIC index letters chosen

bar graph showing usage of each letter

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