USGS - science for a changing world

Science Topics

Science Topics term usage Saturday, 2007-06-16

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

Scripts used

1527science
191kwic
27combine

Browse terms chosen

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

52geographic information systems (GIS)
39earthquakes
21crustaceans
20volcanoes
19earthquake occurrences
12wildlife
12endangered species
12earth structure
11water quality
10remediation
10animals
10droughts
9desert ecosystems
9surface water quality
9geography
8tectonic processes
8earthquake probabilities
8land surface characteristics
8human impacts
8mineral resources
8grassland ecosystems
8oil resources
8acid deposition
8ground water
7seismology
7geochemistry
7marine geology
7water chemistry
7floods
7climate change
7map coordinate systems
7health and disease
7waste treatment and disposal
7volcanic eruption prediction
7natural resource management
7precipitation (atmospheric)
7glaciation
7flowering plants
7remote sensing
7sea-floor characteristics

KWIC index letters chosen

bar graph showing usage of each letter

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