USGS - science for a changing world

Science Topics

Science Topics term usage Monday, 2008-07-07

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

Scripts used

2379science
479combine
60kwic

Browse terms chosen

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

439earthquakes
202earthquake occurrences
154maps and atlases
126volcanoes
99USGS map servers
80real-time monitoring and reporting
60floods
49energy resources
49mineral resources
47climate change
40geospatial analysis
39surface water (non-marine)
37fires
36ground water
32water quality
30avian influenza
30droughts
30contamination and pollution
26remote sensing
25invasive species
25oil resources
20biogeography
17environmental health (human)
14earthquake probabilities
13surface water quality
12ground-water flow
12acid deposition
11seismology
10USGS maps on demand
9endangered species
7river systems
7USGS data downloading
7hydrogeology
7USGS budget
7USGS Quadrangles
6social sciences
6erosion
6water chemistry
6surface-water level
6ground-water quality

KWIC index letters chosen

bar graph showing usage of each letter

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Page Last Modified: Thursday, 10-Jul-2008 09:33:44 EDT