A tree-ring based reconstruction of the Atlantic Multidecadal Oscillation since 1567 A.D
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Abstract
We present a tree-ring based reconstruction of the Atlantic Multidecadal Oscillation (AMO) which demonstrates that strong, low-frequency (60-100 yr) variability in basin-wide (0-70??N) sea surface temperatures (SSTs) has been a consistent feature of North Atlantic climate for the past five centuries. Intervention analysis of reconstructed AMO indicates that 20th century modes were similar to those in the preceding ???350 yr, and wavelet spectra show robust multidecadal oscillations throughout the reconstruction. Though the exact relationships between low-frequency SST modes, higher frequency (???7-25 yr) atmospheric modes (e.g., North Atlantic Oscillation/Arctic Oscillation), and terrestrial climates must still be resolved, our results confirm that the AMO should be considered in assessments of past and future Northern Hemisphere climates. Copyright 2004 by the American Geophysical Union.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | A tree-ring based reconstruction of the Atlantic Multidecadal Oscillation since 1567 A.D |
| Series title | Geophysical Research Letters |
| DOI | 10.1029/2004GL019932 |
| Volume | 31 |
| Issue | 12 |
| Year Published | 2004 |
| Language | English |
| Publisher | American Geophysical Union |
| Contributing office(s) | Northern Rocky Mountain Science Center |
| Description | 4 p |
| Larger Work Type | Article |
| Larger Work Subtype | Journal Article |
| Larger Work Title | Geophysical Research Letters |
| Online Only (Y/N) | N |
| Additional Online Files (Y/N) | N |
| Google Analytic Metrics | Metrics page |