Sea-level pressure variability around Antarctica since A.D. 1750 inferred from subantarctic tree-ring records

R Villalba, ER Cook, RD D'Arrigo, GC Jacoby, PD Jones, MJ Salinger, J Palmer

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Abstract

A tree-ring chronology network recently developed from the subantarctic forests provides an opportunity to study long-term climatic variability at higher latitudes in the Southern Hemisphere. Fifty long (1911–1985), homogeneous records of monthly mean sea-level pressure (MSLP) from the southern latitudes (15–65?°S) were intercorrelated on a seasonal basis to establish the most consistent, long-term Trans-Polar teleconnections during this century. Variations in summer MSLP between the South America-Antarctic Peninsula and the New Zealand sectors of the Southern Ocean are significantly correlated in a negative sense (r=-0.53, P
Original languageEnglish
Pages (from-to)375-390
Number of pages16
JournalClimate Dynamics
Volume13
Issue number6
DOIs
Publication statusPublished - 1997

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