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PDSI variations at Kongtong Mountain, China, inferred from a 283-year Pinus tabulaeformis ring width chronology

Journal of Geophysical Research: Atmospheres, 2011-11, Vol.116 (D22), p.n/a [Peer Reviewed Journal]

Copyright 2011 by the American Geophysical Union. ;2015 INIST-CNRS ;ISSN: 0148-0227 ;ISSN: 2169-897X ;EISSN: 2156-2202 ;EISSN: 2169-8996 ;DOI: 10.1029/2011JD016220

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  • Title:
    PDSI variations at Kongtong Mountain, China, inferred from a 283-year Pinus tabulaeformis ring width chronology
  • Author: Song, Huiming ; Liu, Yu
  • Subjects: Atmospheric sciences ; China ; Climate change ; Drought ; Earth ; Earth sciences ; Earth, ocean, space ; Exact sciences and technology ; Hydrology ; Kongtong ; Oceanography ; Paleoclimate science ; PDSI ; Pinus tabulaeformis Carr ; reconstruction ; Regions ; tree-ring width
  • Is Part Of: Journal of Geophysical Research: Atmospheres, 2011-11, Vol.116 (D22), p.n/a
  • Description: Pinus tabulaeformis ring widths were used to reconstruct mean Palmer Drought Severity Indices (PDSIs) from May to July for each of the past 283 years for Kongtong Mountain, China. A calibration model for the period from 1940 to 2005 explains 66.4% (or 65.9% after adjusting for the loss of the degrees of freedom) of the actual PDSI variance. The reconstructed Kongtong Mountain PDSIs could be representative of the moisture conditions of the entire Loess Plateau. The reconstruction captures a severe 1927–1930 drought event that was widespread across all of northern China. After 11‐year moving average, the reconstructed Kongtong PDSI was found to compare well with other tree ring‐based temperature reconstructions from both Huanglong (in the eastern part of the Chinese Loess Plateau) and Hokkaido, Japan. This result indicates that high temperatures may be a major contributor to the severity of dryness at low frequencies. Significant 93.33‐year and approximate 2‐year cycles were observed in the Kongtong tree ring chronology. Key Points May‐July PDSI was reconstructed for Kongtong, China using tree rings The ring‐width series can also be regarded as a temperature proxy It can be compared with tree‐ring‐based‐emperature reconstructions
  • Publisher: Washington, DC: Blackwell Publishing Ltd
  • Language: English
  • Identifier: ISSN: 0148-0227
    ISSN: 2169-897X
    EISSN: 2156-2202
    EISSN: 2169-8996
    DOI: 10.1029/2011JD016220
  • Source: Wiley Blackwell AGU Digital Archive
    Alma/SFX Local Collection
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