USGS - science for a changing world

Science Topics

Science Topics term usage Sunday, 2008-05-25

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

Scripts used

3168science
573combine
92kwic

Browse terms chosen

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

1103earthquakes
493earthquake occurrences
134volcanoes
107maps and atlases
93real-time monitoring and reporting
68USGS map servers
57energy resources
56climate change
45surface water (non-marine)
41floods
41earthquake probabilities
38mineral resources
35avian influenza
32remote sensing
31droughts
30geospatial analysis
30ground water
29fires
26contamination and pollution
25invasive species
25environmental health (human)
24oil resources
23water quality
19seismology
11tectonic processes
9hydrology
8nutrient content (water)
8rocks and deposits
8river systems
7USGS budget
7geologic history
7ground-water flow
7earth structure
7erosion
7surface water quality
6streamflow
6geographic information systems (GIS)
6desert ecosystems
6geologic processes
6natural gas resources

KWIC index letters chosen

bar graph showing usage of each letter

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Page Last Modified: Wednesday, 28-May-2008 15:29:05 EDT