Reconstructed warm season temperatures for Nome, Seward Peninsula, Alaska

Rosanne D'Arrigo, Erika Mashig, David Frank, Gordon Jacoby, Rob Wilson

Research output: Contribution to journalArticlepeer-review

24 Scopus citations

Abstract

Understanding of past climate variability in the Bering Strait region and adjacent land areas is limited by a paucity of long instrumental and paleoclimatic records. Here we describe a reconstruction of May-August temperatures for Nome, Seward Peninsula, Alaska based on maximum latewood density data which considerably extends the available climatic information. The reconstruction shows warm conditions in the late 1600s and middle-20th century and cooler conditions in the 1800s. The summer of 1783, coinciding with the Laki, Iceland volcanic event, is among the coldest in the reconstruction. Statistically significant relationships with the North Pacific Index and Bering-Chukchi sea surface temperatures indicate that the Seward tree-ring data are potentially useful as long-term indices of atmosphere-ocean variability in the region.

Original languageEnglish (US)
Pages (from-to)L09202 1-4
JournalGeophysical Research Letters
Volume31
Issue number9
DOIs
StatePublished - May 16 2004
Externally publishedYes

ASJC Scopus subject areas

  • Geophysics
  • Earth and Planetary Sciences(all)

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