USGS - science for a changing world

Science Topics

Science Topics term usage Saturday, 2009-02-21

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

Scripts used

2910science
370combine
118kwic

Browse terms chosen

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

551earthquakes
275earthquake occurrences
176volcanoes
88maps and atlases
60real-time monitoring and reporting
58mineral resources
53ground water
49energy resources
46climate change
44USGS map servers
37water quality
35floods
35droughts
35remote sensing
33surface water (non-marine)
30contamination and pollution
28seismology
28topographic maps
25invasive species
24avian influenza
23geospatial analysis
19fires
18environmental health (human)
13geologic maps
13oil resources
12earthquake probabilities
11California
11volcanic activity
9global warming
9natural gas resources
8topics
8precipitation (atmospheric)
8water chemistry
8tsunamis
8earth structure
7sediment transport
7metallic ores
7USGS maps on demand
7water properties
7freshwater ecosystems

KWIC index letters chosen

bar graph showing usage of each letter

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Page Last Modified: Wednesday, 25-Feb-2009 09:35:28 EST