Intensified decadal variability in tropical climate during the late 19th century

被引：30

作者：

Ault, Toby R. ^{[1
]}

Cole, Julia E. ^{[1
,2
]}

Evans, Michael N. ^{[1
,2
,3
]}

Barnett, Heidi ^{[1
]}

Abram, Nerilie J. ^{[4
]}

Tudhope, Alexander W. ^{[5
]}

Linsley, Braddock K. ^{[6
]}

机构：

[1] Univ Arizona, Dept Geosci, Tucson, AZ 85721 USA

[2] Univ Arizona, Dept Atmospher Sci, Tucson, AZ USA

[3] Univ Arizona, Tree Ring Res Lab, Tucson, AZ 85721 USA

[4] British Antarctic Survey, Nat Environm Res Council, Cambridge CB3 0ET, England

[5] Univ Edinburgh, Sch Geosci, Edinburgh EH9 3JW, Midlothian, Scotland

[6] SUNY Albany, Dept Earth & Atmospher Sci, Albany, NY 12222 USA

来源：

GEOPHYSICAL RESEARCH LETTERS | 2009年 / 36卷

关键词：

SEA-SURFACE TEMPERATURE; INTERDECADAL VARIABILITY; SOUTHERN-OSCILLATION; EL-NINO; PACIFIC; CORAL; ENSO; CIRCULATION; RECORDS;

D O I：

10.1029/2008GL036924

中图分类号：

P [天文学、地球科学];

学科分类号：

07 ;

摘要：

To evaluate and extend the record of decadal climate variability, we present a synthesis of 23 coral oxygen isotope records from the tropical Indo-Pacific that extends back to A. D. 1850. Principal components analysis (PCA) on detrended records reveals a leading pattern of variance with significant interannual (3 - 5 year) and decadal (9 - 14 year) variability. The temporal evolution and spatial pattern of this variability closely resembles the El Nino/Southern Oscillation (ENSO) pattern across both time scales, suggesting that this decadal tropical variability is fundamentally related to ENSO. The 19th century experienced stronger decadal tropical climate variability, compared to the 20th. Decadal variability in the tropical oceans thus remains underestimated by analysis of direct observations. Citation: Ault, T. R., J. E. Cole, M. N. Evans, H. Barnett, N. J. Abram, A. W. Tudhope, and B. K. Linsley (2009), Intensified decadal variability in tropical climate during the late 19th century, Geophys. Res. Lett., 36, L08602, doi: 10.1029/2008GL036924.

引用

页数：5

共 32 条

[1] A central tropical Pacific coral demonstrates Pacific, Indian, and Atlantic decadal climate connections [J].