USGS - science for a changing world

Science Topics

Science Topics term usage Saturday, 2008-08-09

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

Scripts used

1640science
261combine
50kwic

Browse terms chosen

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

361earthquakes
148earthquake occurrences
102volcanoes
85maps and atlases
59real-time monitoring and reporting
43USGS map servers
35energy resources
32ground water
28mineral resources
27climate change
26surface water (non-marine)
25floods
23water quality
23contamination and pollution
22invasive species
21droughts
20geospatial analysis
19remote sensing
18avian influenza
17environmental health (human)
17fires
10natural gas resources
9human impacts
9oil resources
8USGS maps on demand
8USGS budget
7seismology
7earthquake probabilities
6volcanic activity
6water supply and demand
5natural resource assessment
5earth structure
5ground-water quality
5tectonic processes
5streamflow
5California
5ground-water flow
5geographic information systems (GIS)
4river systems
4forest ecosystems

KWIC index letters chosen

bar graph showing usage of each letter

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Page Last Modified: Tuesday, 26-Aug-2008 00:16:09 EDT