USGS - science for a changing world

Science Topics

Science Topics term usage Thursday, 2009-07-16

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

Scripts used

2566science
284combine
86kwic

Browse terms chosen

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

476earthquakes
199earthquake occurrences
120maps and atlases
91volcanoes
79real-time monitoring and reporting
57climate change
47topographic maps
45energy resources
45map interfaces
44mineral resources
40ground water
38surface water (non-marine)
35water quality
33remote sensing
31floods
31geospatial analysis
28geologic maps
28droughts
26contamination and pollution
23avian influenza
21earthquake probabilities
20invasive species
17environmental health (human)
15fires
13oil resources
12surface water quality
11seismology
10streamflow
9endangered species
9acid deposition
9global warming
8ground-water quality
8USGS data downloading
8human impacts
8water resources
8land use and land cover
7soil resources
7stream discharge
7health and disease
7aerial photography

KWIC index letters chosen

bar graph showing usage of each letter

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Page Last Modified: Monday, 27-Jul-2009 11:33:53 EDT