Twentieth-century summer warmth in northern Yakutia in a 600-year context

M. K. Hughes, E. A. Vaganov, S. Shiyatov, R. Touchan, G. Funkhouser

Research output: Contribution to journalArticle

72 Citations (Scopus)

Abstract

We report unusual twentieth-century early-summer warmth recorded by larch tree-rings at the northern tree-line in far northeastern Eurasia (Yakutia). The tree-ring series are strongly replicated and well suited to the detection of fluctuations on interannual to century timescales. They are strongly correlated with local instrumental temperature data. Mean early-summer temperature in the twentieth century significantly exceeds that of any period of the same length since AD 1400. A century-scale trend, which commences in the mid-nineteenth century, is superimposed on interannual and decadal fluctuations, for example a marked cooling since 1978. While many of the 20 coolest early summers in the reconstruction occur within a few years after major explosive volcanic eruptions from low-latitude volcanoes, several of the 20 warmest early summers followed major explosive eruptions from high-latitude volcanoes.

Original languageEnglish (US)
Pages (from-to)629-634
Number of pages6
JournalHolocene
Volume9
Issue number5
StatePublished - 1999

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twentieth century
summer
tree ring
explosive
volcano
volcanic eruption
treeline
nineteenth century
temperature
cooling
timescale
Warmth
Summer
Fluctuations
Tree Rings
Temperature
Volcano

Keywords

  • Dendrochronology
  • Larch
  • Larix cajanderi
  • Ring width
  • Summer temperature
  • Volcanic activity
  • Yakutia

ASJC Scopus subject areas

  • Earth and Planetary Sciences (miscellaneous)

Cite this

Hughes, M. K., Vaganov, E. A., Shiyatov, S., Touchan, R., & Funkhouser, G. (1999). Twentieth-century summer warmth in northern Yakutia in a 600-year context. Holocene, 9(5), 629-634.

Twentieth-century summer warmth in northern Yakutia in a 600-year context. / Hughes, M. K.; Vaganov, E. A.; Shiyatov, S.; Touchan, R.; Funkhouser, G.

In: Holocene, Vol. 9, No. 5, 1999, p. 629-634.

Research output: Contribution to journalArticle

Hughes, MK, Vaganov, EA, Shiyatov, S, Touchan, R & Funkhouser, G 1999, 'Twentieth-century summer warmth in northern Yakutia in a 600-year context', Holocene, vol. 9, no. 5, pp. 629-634.
Hughes, M. K. ; Vaganov, E. A. ; Shiyatov, S. ; Touchan, R. ; Funkhouser, G. / Twentieth-century summer warmth in northern Yakutia in a 600-year context. In: Holocene. 1999 ; Vol. 9, No. 5. pp. 629-634.
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