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    Bridging the Gap with Subfossil Douglas-Fir at Mesa Verde, Colorado

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    Author
    Stahle, D.W.
    Edmondson, J.R.
    Burns, J.N.
    Stahle, D.K.
    Burnette, D.J.
    Kvamme, E.
    Lequesne, C.
    Therrell, M.D.
    Issue Date
    2015-07
    Keywords
    archaeology
    dendrochronology
    moisture deficit
    Pseudotsuga menziesii
    tree rings
    
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    Citation
    D. W. Stahle, J. R. Edmondson, J. N. Burns, D. K. Stahle, D. J. Burnette, E. Kvamme, C. Lequesne, and M. D. Therrell "Bridging the Gap With Subfossil Douglas-Fir At Mesa Verde, Colorado," Tree-Ring Research 71(2), 53-66, (1 July 2015).
    Publisher
    Tree Ring Society
    Journal
    Tree-Ring Research
    URI
    http://hdl.handle.net/10150/656868
    DOI
    10.3959/1536-1098-71.2.53
    Additional Links
    http://www.treeringsociety.org
    Abstract
    Old Rocky Mountain Douglas-fir (Pseudotsuga menziesii) trees and remnant "subfossil" logs have been found on the outcrop of a mafic igneous intrusion above the Mancos River Valley near Mesa Verde National Park. These trees and logs have been used to develop earlywood (EW), latewood (LW), and total ring width (TRW) chronologies dating from AD 722-2011. The new chronologies include good series replication during the former chronological "gap" from AD 1250 to 1400, which was so problematic for the initial development of the "Central Pueblo" chronology by A. E. Douglass. Discrete reconstructions of the cool-season (September-May) and early warm-season (June-July) moisture balance for Mesa Verde have been derived from the EW and adjusted LW width chronologies from the Mancos Valley. Cool-season drought is estimated to have been more severe and sustained than early warm-season conditions during the "Great Drought" of the late-13th Century when southwestern Colorado was depopulated. The combined archaeological, subfossil, and living tree chronologies of EW, LW, and TRW for the Mancos River and Mesa Verde Douglas-fir now date from AD 480-2011. Copyright © 2015 by The Tree-Ring Society.
    Type
    Article
    text
    Language
    en
    ISSN
    1536-1098
    EISSN
    2162-4585
    ae974a485f413a2113503eed53cd6c53
    10.3959/1536-1098-71.2.53
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    Tree-Ring Research, Volume 71, Issue 2 (Jul 2015)

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