Full TGIF Record # 234151
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Web URL(s):http://onlinelibrary.wiley.com/doi/10.1111/j.1752-1688.2005.tb03785.x/pdf
    Last checked: 12/12/2013
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Publication Type:
Author(s):Miller, Jerry R.; Lord, Mark; Yurkovich, Steven; Mackin, Gail; Kolenbrander, Lawrence
Author Affiliation:Miller and Yurkovich: Professor; Lord: Associate Professor, Department of Geosciences and Natural Resources Management; Kolenbrander: Chair, Department of Geosciences and Natural Resources Management, Western Carolina University, Cullowhee, North Carolina; Mackin: Assistant Professor, Department of Mathematics and Computer Science, Northern Kentucky University, Highland Heights, Kentucky
Title:Historical trends in sedimentation rates and sediment provenance, Fairfield Lake, western North Carolina
Source:Journal of the American Water Resources Association/AWRA. Vol. 41, No. 5, October 2005, p. 1053-1075.
# of Pages:23
Publishing Information:Minneapolis, Minnesota: American Water Resources Association
Related Web URL:http://onlinelibrary.wiley.com/doi/10.1111/j.1752-1688.2005.tb03785.x/abstract
    Last checked: 12/12/2013
    Notes: Abstract only
Keywords:TIC Keywords: History; Sedimentation; Watersheds
Abstract/Contents:"Sedimentation rates and sediment provenance were examined for lacustrine sediments deposited in Fairfield Lake, western North Carolina, during the past 111 years. Stratigraphic, radionuclide, and cartographic data indicate that sedimentation rates have increased several fold during the past three decades in response to localized development. The magnitude of increased sedimentation was surprising given limited development within the basin: 0.12 to 0.68 buildings/ha in 2000 in those parts directly delivering sediment to the dated cores. Thus, the analysis illustrates the potential sensitivity of watersheds in the southern Appalachians to changes in land cover. An approach that combined geochemical fingerprinting with sediment mixing models was subsequently evaluated to determine its ability to accurately estimate the contribution of sediment from (1) major bedrock formations that underlie the watershed and (2) potential sources associated with four land cover categories. Sediment sources in both analyses proved difficult to geochemically fingerprint to greater than 90 percent accuracy using data on acid-soluble metals and selected isotopes of lead (Pb). The relative contributions of sediment from delineated sources, estimated by the mixing models, generally corresponded with known temporal and spatial patterns of land cover. However, the models were plagued by two significant problems the chemical alteration of sediments as they were transported through upland streams to depositional sites within the lake and the loss of elemental mass. Thus, future investigations using the fingerprinting approach in this area of intense weathering, and presumably others, will need to modify the existing methods to more accurately elucidate changes in sediment provenance related to development."
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Geographic Terms:Fairfield Lake, North Carolina
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Miller, J. R., M. Lord, S. Yurkovich, G. Mackin, and L. Kolenbrander. 2005. Historical trends in sedimentation rates and sediment provenance, Fairfield Lake, western North Carolina. Water Resour. Bull. 41(5):p. 1053-1075.
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DOI: 10.1111/j.1752-1688.2005.tb03785.x
Web URL(s):
    Last checked: 12/12/2013
    Requires: PDF Reader
    Access conditions: Item is within a limited-access website
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MSU catalog number: b2206946~S1a
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