USGS - science for a changing world

Science Topics

Science Topics term usage Sunday, 2008-08-03

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

Scripts used

1776science
330combine
44kwic

Browse terms chosen

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

418earthquakes
182earthquake occurrences
88maps and atlases
78volcanoes
58real-time monitoring and reporting
41USGS map servers
30energy resources
29climate change
29floods
26geospatial analysis
26droughts
26mineral resources
25ground water
22contamination and pollution
22remote sensing
22water quality
22fires
20surface water (non-marine)
20invasive species
18avian influenza
18environmental health (human)
18nutrient content (water)
11seismology
9earth structure
9oil resources
8land surface characteristics
8geologic structure
8earthquake probabilities
7surface water quality
7water chemistry
7human impacts
6forest ecosystems
6river systems
6erosion
6USGS budget
6global warming
6health and disease
6California
5natural gas resources
5landslides

KWIC index letters chosen

bar graph showing usage of each letter

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Page Last Modified: Wednesday, 06-Aug-2008 10:57:26 EDT