PayetteDelwaideSimard2010

Reference

Payette, S., Delwaide, A. and Simard, M. (2010) Frost-ring chronologies as dendroclimatic proxies of boreal environments. Geophysical Research Letters, 37(2). (Scopus )

Abstract

Frost rings are formed in tree stems when growingseason frosts affect immature wood cells, producing collapsed cells within annual tree rings. Open boreal forests are most susceptible to record growing-season frost because they lack the greenhouse effect commonly observed in closed forests. Here we present a novel method to construct regional frost-ring chronologies in lichen-black spruce woodlands of the boreal forest zone. Because the ability of trees to form frost rings depends on several factors (including bark thickness and ring width), we used two models to produce a Frost Composite Index based on a frost susceptibility window of cambial age <30 years. The frostring chronology showed alternating periods of high and low frost activity that were highly consistent within and among sites. Reconstruction of growing-season frost activity may be used as dendroclimatic proxies of climate variability and may give insights into future risks of frost damage in a warming climate. © Copyright 2010 by the American Geophysical Union.

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@ARTICLE { PayetteDelwaideSimard2010,
    AUTHOR = { Payette, S. and Delwaide, A. and Simard, M. },
    TITLE = { Frost-ring chronologies as dendroclimatic proxies of boreal environments },
    JOURNAL = { Geophysical Research Letters },
    YEAR = { 2010 },
    VOLUME = { 37 },
    NUMBER = { 2 },
    NOTE = { cited By 8 },
    ABSTRACT = { Frost rings are formed in tree stems when growingseason frosts affect immature wood cells, producing collapsed cells within annual tree rings. Open boreal forests are most susceptible to record growing-season frost because they lack the greenhouse effect commonly observed in closed forests. Here we present a novel method to construct regional frost-ring chronologies in lichen-black spruce woodlands of the boreal forest zone. Because the ability of trees to form frost rings depends on several factors (including bark thickness and ring width), we used two models to produce a Frost Composite Index based on a frost susceptibility window of cambial age <30 years. The frostring chronology showed alternating periods of high and low frost activity that were highly consistent within and among sites. Reconstruction of growing-season frost activity may be used as dendroclimatic proxies of climate variability and may give insights into future risks of frost damage in a warming climate. © Copyright 2010 by the American Geophysical Union. },
    ART_NUMBER = { L02711 },
    DOCUMENT_TYPE = { Article },
    DOI = { 10.1029/2009GL041849 },
    KEYWORDS = { Earth sciences; Geophysics, Bark thickness; Boreal forest zone; Boreal forests; Climate variability; Composite index; Frost damage; Frost susceptibility; Warming climate, Forestry, Picea mariana },
    SOURCE = { Scopus },
    URL = { http://www.scopus.com/inward/record.url?eid=2-s2.0-84864965035&partnerID=40&md5=7df0919c8fd59c1d0ee07862207a15d9 },
}

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