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Evaluating the use of Sr, Pb, and U isotopes for fingerprinting surface and groundwaters in southern New Hampshire

Author(s)
Song, Lisa
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Massachusetts Institute of Technology. Department of Earth, Atmospheric, and Planetary Sciences.
Advisor
Samuel Bowring.
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MIT theses are protected by copyright. They may be viewed, downloaded, or printed from this source but further reproduction or distribution in any format is prohibited without written permission. http://dspace.mit.edu/handle/1721.1/7582
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Abstract
Increased pressure on fresh water reserves in southern New Hampshire requires new methods for monitoring exploitation. In a pilot study, surface water and groundwater samples from southern New Hampshire were analyzed for Sr, Pb, and U isotopes to test if they could be used to distinguish between different reservoirs (surface waters, bedrock wells, and sand and gravel wells). Detecting and monitoring communication between different aquifers is an essential part of water management, and mixing between the reservoirs due to overproduction of the wells could adversely impact drinking water quality. The results show that a mix of ²³⁴U/²³⁸U, ²⁰⁶Pb/²⁰⁴Pb, and ²⁰⁸Pb/²⁰⁴Pb ratios was the most useful in distinguishing between the reservoirs. This method has great potential for the long-term monitoring of water wells to prevent overproduction.
Description
Thesis: S.B., Massachusetts Institute of Technology, Department of Earth, Atmospheric, and Planetary Sciences, 2008.
 
Cataloged from PDF version of thesis.
 
Includes bibliographical references (pages 50-52).
 
Date issued
2008
URI
http://hdl.handle.net/1721.1/114360
Department
Massachusetts Institute of Technology. Department of Earth, Atmospheric, and Planetary Sciences.
Publisher
Massachusetts Institute of Technology
Keywords
Earth, Atmospheric, and Planetary Sciences.

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  • Earth, Atmospheric, and Planetary Sciences - Bachelor's degree
  • Earth, Atmospheric, and Planetary Sciences - Bachelor's degree

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