Reconstruction of a high-resolution late holocene arctic paleoclimate record from Colville River delta sediments.

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This work was partially supported by the Sandia National Laboratories,<U+2018>Laboratory Directed Research and Development' (LDRD) fellowship program in conjunction with Texas A&M University (TAMU). The research described herein is the work of Kathryn M. Schreiner (<U+2018>Katie') and her advisor, Thomas S. Bianchi and represents a concise description of Katie's dissertation that was submitted to the TAMU Office of Graduate Studies in May 2013 in partial fulfillment of her doctorate of philosophy degree. High Arctic permafrost soils contain a massive amount of organic carbon, accounting for twice as much carbon as what is currently stored as carbon dioxide in the atmosphere. … continued below

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Schreiner, Kathryn Melissa & Lowry, Thomas Stephen October 1, 2013.

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This report is part of the collection entitled: Office of Scientific & Technical Information Technical Reports and was provided by the UNT Libraries Government Documents Department to the UNT Digital Library, a digital repository hosted by the UNT Libraries. It has been viewed 31 times. More information about this report can be viewed below.

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  • Sandia National Laboratories
    Publisher Info: Sandia National Laboratories (SNL-NM), Albuquerque, NM (United States)
    Place of Publication: Albuquerque, New Mexico

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Description

This work was partially supported by the Sandia National Laboratories,<U+2018>Laboratory Directed Research and Development' (LDRD) fellowship program in conjunction with Texas A&M University (TAMU). The research described herein is the work of Kathryn M. Schreiner (<U+2018>Katie') and her advisor, Thomas S. Bianchi and represents a concise description of Katie's dissertation that was submitted to the TAMU Office of Graduate Studies in May 2013 in partial fulfillment of her doctorate of philosophy degree. High Arctic permafrost soils contain a massive amount of organic carbon, accounting for twice as much carbon as what is currently stored as carbon dioxide in the atmosphere. However, with current warming trends this sink is in danger of thawing and potentially releasing large amounts of carbon as both carbon dioxide and methane into the atmosphere. It is difficult to make predictions about the future of this sink without knowing how it has reacted to past temperature and climate changes. This project investigated long term, fine scale particulate organic carbon (POC) delivery by the high-Arctic Colville River into Simpson's Lagoon in the near-shore Beaufort Sea. Modern POC was determined to be a mixture of three sources (riverine soils, coastal erosion, and marine). Downcore POC measurements were performed in a core close to the Colville River output and a core close to intense coastal erosion. Inputs of the three major sources were found to vary throughout the last two millennia, and in the Colville River core covary significantly with Alaskan temperature reconstructions.

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20 p.

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  • Report No.: SAND2013-8533
  • Grant Number: AC04-94AL85000
  • Office of Scientific & Technical Information Report Number: 1096495
  • Archival Resource Key: ark:/67531/metadc829730

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  • October 1, 2013

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  • May 19, 2016, 9:45 a.m.

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  • June 17, 2016, 9:44 p.m.

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Thumbnail image of item number 1 in: 'Reconstruction of a high-resolution late holocene arctic paleoclimate record from Colville River delta sediments.'.
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Thumbnail image of item number 4 in: 'Reconstruction of a high-resolution late holocene arctic paleoclimate record from Colville River delta sediments.'.

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Schreiner, Kathryn Melissa & Lowry, Thomas Stephen. Reconstruction of a high-resolution late holocene arctic paleoclimate record from Colville River delta sediments., report, October 1, 2013; Albuquerque, New Mexico. (https://digital.library.unt.edu/ark:/67531/metadc829730/: accessed July 16, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.

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