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Vol. 27 No. 3
May-June 2005

IUPAC Wire | News and information on IUPAC, its fellows, and members organizations
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Coplen Honored

Tyler B. Coplen has been granted the highest honor of the U.S. Department of the Interior, the Distinguished Service Award, for his outstanding contributions to the U.S. Geological Survey in the field of isotope geochemistry and hydrology. Dr. Coplen is an internationally recognized leader in the analysis of light stable isotopes. He is one of the worlds’ most experienced analysts and foremost authorities on the stable isotope geochemistry of natural materials associated with the hydrologic cycle. He has built, operated, and continues to improve automated systems for mass spectrometers that drive the technology for such analyses. Technical experts around the world seek his advice.

Dr. Coplen produced a large body of work using stable isotope data that led to an improved understanding of the movement of both ground water and surface water. His work on isotope techniques has been instrumental in elucidating many physical, biological, and chemical processes that mediate water qualities and contribute to the solution of complex problems requiring interdisciplinary collaboration.

At IUPAC, Coplen has been a member of the Inorganic Chemistry Division since 2000, and is also a member of the subcommittee on Isotopic Abundance Measurements. He has contributed as lead author to IUPAC technical reports on isotope-abundance variations of selected elements, and on atomic weights of the elements.


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