USGS - science for a changing world

Science Topics

Science Topics term usage Friday, 2009-05-15

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

Scripts used

1952science
300combine
48kwic

Browse terms chosen

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

332earthquakes
158volcanoes
129earthquake occurrences
90maps and atlases
63real-time monitoring and reporting
49climate change
47floods
40USGS map servers
33mineral resources
33ground water
33surface water (non-marine)
32water quality
29topographic maps
29geospatial analysis
26remote sensing
21droughts
21energy resources
20avian influenza
18contamination and pollution
15geologic maps
14earthquake probabilities
14invasive species
13fires
12environmental health (human)
9human impacts
9health and disease
9hydrology
8transect sampling
8volcanic activity
8streamflow
8acid deposition
8USGS maps on demand
8earth structure
7stream discharge
7geographic information systems (GIS)
7metallic ores
7seismology
7stream-gage measurement
7life sciences
7USGS budget

KWIC index letters chosen

bar graph showing usage of each letter

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Page Last Modified: Tuesday, 19-May-2009 09:38:00 EDT