Role of Mixed Layer Depth in Kuroshio Extension Decadal Variability

Tozuka, Tomoki; Toyoda, Takahiro; Cronin, Meghan F.

doi:10.1029/2022gl101846

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Role of Mixed Layer Depth in Kuroshio Extension Decadal Variability

2023
By Tozuka, Tomoki ; Toyoda, Takahiro ; Cronin, Meghan F.
Source: Geophysical Research Letters, 50(12)

[PDF-3.31 MB]

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Details:

Journal Title:

Geophysical Research Letters
Personal Author:

Tozuka, Tomoki ; Toyoda, Takahiro ; Cronin, Meghan F.

Tozuka, Tomoki ; Toyoda, Takahiro ; Cronin, Meghan F. 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:

Sea surface temperature (SST) anomalies in the Kuroshio Extension (KE) have been suggested to play a crucial role in decadal climate variability of the North Pacific affecting global climate and marine ecosystem variability. By analyzing the mixed layer heat budget, taking into account seasonality and mixed layer depth (MLD) variations, we here show for the first time that the KE SST front undergoes large decadal variations mainly owing to decadal modulations of the effective heat capacity affecting the SST sensitivity to surface heat fluxes during 1982–2015. More specifically, when the mixed layer becomes anomalously thick (shallow) to the south (north) of the front, it becomes less (more) sensitive to wintertime surface cooling. As
Keywords:

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General Earth And Planetary Sciences Geophysics
Source:

Geophysical Research Letters, 50(12)
DOI:

https://doi.org/10.1029/2022gl101846
ISSN:

0094-8276;1944-8007;
Format:

PDF
Publisher:

American Geophysical Union (AGU)
Document Type:

Journal Article
License:

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

CC BY-NC
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Library
Main Document Checksum:

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urn:sha256:14c8124005cc55748c4e0589c1fb0ca8369229ba72c796bcff28f2f2b5b463f3
Download URL:

https://repository.library.noaa.gov/view/noaa/54894/noaa_54894_DS1.pdf
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