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Local Air-Sea Interactions at Ocean Mesoscale and Submesoscale in a Western Boundary Current
Year:
2022
Source of publication :
Geophysical Research Letters
Authors :
Volume :
Co-Authors:

Ehud Strobach,
Patrice Klein,
Andrea Molod,
Abdullah A. Fahad,
Atanas Trayanov,
Dimitris Menemenlis,
Hector Torres

Facilitators :
From page:
0
To page:
0
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Total pages:
1
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Abstract:

We present results from a new, global, high-resolution (∼3-km for ocean and ∼6-km for atmosphere) realistic earth system simulation. This simulation allows us to examine aspects of small-scale air-sea interaction beyond what previous studies have reported. Our study focuses on recurring intermittent wind events in the Gulf Stream region. These events induce local air-sea heat fluxes above Sea Surface Temperature (SST) anomalies with horizontal scales smaller than 500-km. In particular, strong latent heat bursts above warm SST anomalies are observed during these wind events. We show that such wind events are associated with a secondary circulation that acts to fuel the latent heat bursts by transferring dry air and momentum down to the surface. The intensity of this secondary circulation is related to the strength of small-scale SST fronts that border SST anomalies. The study of such phenomena requires high-resolution in both the atmospheric and oceanic components of the model.

Note:
Related Files :
air-sea interaction
earth system simulation
Sea Surface Temperature (SST)
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More details
DOI :
10.1029/2021GL097003
Article number:
0
Affiliations:
Database:
Scopus
Publication Type:
article
;
.
Language:
English
Editors' remarks:
ID:
58842
Last updated date:
01/05/2022 17:20
Creation date:
01/05/2022 17:20
Scientific Publication
Local Air-Sea Interactions at Ocean Mesoscale and Submesoscale in a Western Boundary Current

Ehud Strobach,
Patrice Klein,
Andrea Molod,
Abdullah A. Fahad,
Atanas Trayanov,
Dimitris Menemenlis,
Hector Torres

Local Air-Sea Interactions at Ocean Mesoscale and Submesoscale in a Western Boundary Current

We present results from a new, global, high-resolution (∼3-km for ocean and ∼6-km for atmosphere) realistic earth system simulation. This simulation allows us to examine aspects of small-scale air-sea interaction beyond what previous studies have reported. Our study focuses on recurring intermittent wind events in the Gulf Stream region. These events induce local air-sea heat fluxes above Sea Surface Temperature (SST) anomalies with horizontal scales smaller than 500-km. In particular, strong latent heat bursts above warm SST anomalies are observed during these wind events. We show that such wind events are associated with a secondary circulation that acts to fuel the latent heat bursts by transferring dry air and momentum down to the surface. The intensity of this secondary circulation is related to the strength of small-scale SST fronts that border SST anomalies. The study of such phenomena requires high-resolution in both the atmospheric and oceanic components of the model.

Scientific Publication
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