Quantifying the Role of Oceanic Feedbacks on ENSO Asymmetry

Guan, Cong; McPhaden, Michael J.; Wang, Fan; Hu, Shijian

doi:10.1029/2018gl081332

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Quantifying the Role of Oceanic Feedbacks on ENSO Asymmetry

2019
By Guan, Cong ; McPhaden, Michael J. ; Wang, Fan ; ...
Source: Geophysical Research Letters, 46(4), 2140-2148

[PDF-709.88 KB]

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Details:

Journal Title:

Geophysical Research Letters
Personal Author:

Guan, Cong ; McPhaden, Michael J. ; Wang, Fan ; Hu, Shijian

Guan, Cong ; McPhaden, Michael J. ; Wang, Fan ; Hu, Shijian Less -
NOAA Program & Office:

OAR (Oceanic and Atmospheric Research) ; PMEL (Pacific Marine Environmental Laboratory)

OAR (Oceanic and Atmospheric Research) ; PMEL (Pacific Marine Environmental Laboratory) Less -
Description:

The role of oceanic feedbacks in determining the asymmetry of El Niño –Southern Oscillation (ENSO) magnitude, spatial structure, and duration is quanti ﬁed on the basis of a novel temperature variance budget. Results con ﬁrm previous studies that in the eastern Paci ﬁc, El Niño warm temperature anomalies are larger in magnitude than La Niña cold temperature anomalies mainly due to stronger positive oceanic feedbacks for El Niño. We ﬁnd that La Niña cold anomalies are typically stronger than El Niño warm anomalies in the central Paci ﬁc with a faster growth rate for cold anomalies, due to a stronger positive thermocline feedback and weaker nonlinear damping. The thermocline feedback related to recharge
Keywords:

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General Earth And Planetary Sciences Geophysics
Source:

Geophysical Research Letters, 46(4), 2140-2148
DOI:

https://doi.org/10.1029/2018gl081332
ISSN:

0094-8276;1944-8007;
Format:

PDF
Publisher:

American Geophysical Union (AGU)
Document Type:

Journal Article
License:

https://creativecommons.org/licenses/by-nc-nd/4.0/
Rights Information:

CC BY-NC-ND
Compliance:

Library
Main Document Checksum:

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urn:sha256:a1b2c5ecfc4a7f87c14b58dd36c871febdf3688dac73ce84e495f8f43e9d8099
Download URL:

https://repository.library.noaa.gov/view/noaa/53300/noaa_53300_DS1.pdf
File Type:

Machine readable version (XML)

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