열대 태평양 장주기 변동성과 ENSO 장주기 변조

Title
열대 태평양 장주기 변동성과 ENSO 장주기 변조
Alternative Title
Pacific decadal variability and decadal ENSO amplitude modulation
Author(s)
예상욱; Ben Kirtman
Publication Year
2006-06-16
Abstract
Connections between Pacific decadal variability (PDV) and low frequency modulation of El Niño and Southern Oscillation (ENSO) amplitude are analyzed using observed sea surface temperature (SST) during 1900-2001. The variability of the first two Empirical Orthogonal Functions (EOFs) of PDV, i.e., the PDV1 and PDV2, are compared to decadal variations of ENSO amplitude. The PDV1, which is called the Pacific decadal oscillation or decadal ENSO-like variability, is not related to the modulation of ENSO amplitude and is not a residual associated with periods of either more or less active ENSO. However, there are low frequency changes in the Pacific mean state forced by changes in the ENSO statistics. The variability of PDV2 is associated with decadal modulation in ENSO amplitude.
URI
https://sciwatch.kiost.ac.kr/handle/2020.kiost/30972
Bibliographic Citation
한국 제4기학회, pp.53 - 56, 2006
Publisher
제 4기학회
Type
Conference
Language
English
Publisher
제 4기학회
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