On the Linear Relationship between Loop Current Retreat Latitude and Eddy Separation Period

Alexis Lugo-Fernandez; ROBERT R. LEBEN

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On the Linear Relationship between Loop Current Retreat Latitude and Eddy Separation Period

机译：回路电流回退纬度与涡流分离周期的线性关系

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A linear correlation exists between the retreat latitude of the Loop Current following eddy separation and the subsequent eddy separation period. This empirical relationship was first identified in satellite altimeter-derived Loop Current metrics. In this paper, a simple vorticity model of the Loop Current is used to provide a semitheoretical basis for this relationship. After suitable scaling approximations, the theory predicts that the LC separation period is a linear function of retreat latitude, which agrees well with altimeter-derived empirical results. Specifically, the predicted slope and y intercept agree to within 9% and 2%, respectively, with the altimetry-derived values.

机译：涡流分离后回路电流的后退纬度与随后的涡流分离周期之间存在线性关系。这种经验关系最早是在卫星高度计得出的回路电流指标中确定的。在本文中，回路电流的简单涡度模型用于为这种关系提供半理论基础。经过适当的缩放近似后，该理论预测LC分离周期是退缩纬度的线性函数，与高度计得出的经验结果非常吻合。具体而言，预测斜率和y截距与测高法得出的值分别在9％和2％之内。

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《Journal of Physical Oceanography》 |2010年第12期|p.2778-2784|共7页
作者
Alexis Lugo-Fernandez; ROBERT R. LEBEN;
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Environmental Science Section (MS 5433), 1201 Elmwood ParkBlvd., Gulf of Mexico OCS Region, Bureau of Ocean EnergyManagement, Regulation, and Enforcement, New Orleans, LA70123-2394;

Colorado Center for Astrodynamics Research, University of Colorado, Boulder, Colorado;

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1. Evidence of Loop Current Frontal Eddy Intensification Through Local Linear and Nonlinear Interactions with the Loop Current [J] . Hiron Luna, de la Cruz Benjamin Jaimes, Shay Lynn K. Journal of Geophysical Research, C. Oceans: JGR . 2020,第4期

机译：通过与环电流的局部线性和非线性相互作用的循环电流正面涡流的证据
2. Long-term trends in the East Australian Current separation latitude and eddy driven transport [J] . P. Cetina-Heredia, M. Roughan, E. van Sebille, Journal of Geophysical Research, C. Oceans: JGR . 2014,第7期

机译：东澳大利亚洋流分离纬度和涡流驱动运输的长期趋势
3. Changes in the Loop Current's Eddy Shedding in the Period 2001–2010 [J] . Fred M.Vukovich International Journal of Oceanography . 2012,第1期

机译：2001-2010年期间环流涡流的变化
4. A 34-YEAR HISTORICAL AND ALTIMETRIC PERSPECTIVE OF LOOP CURRENT INTRUSION AND EDDY SEPARATION IN THE GULF OF MEXICO [C] . Robert R. Leben, Cody A. Hall Symposium on 20 Years of Progress in Radar Altimetry . 2013

机译：墨西哥湾环路电流入侵与涡流分离的34年历史和高度的视角
5. Contribution of Wind and Loop Current Eddies to the Circulation in the Western Gulf of Mexico [D] . Olvera-Prado, Erick Raul. 2019

机译：风和环流涡流对墨西哥西部海湾环流的贡献
6. High-Accuracy Calibration Based on Linearity Adjustment for Eddy Current Displacement Sensor [O] . Wei Liu, Bing Liang, Zhenyuan Jia, 2018

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7. Long-term trends in the East Australian Current separation latitude and eddy driven transport [O] . P. Cetina-heredia, M. Roughan, E. Van Sebille, 2016

机译：东澳大利亚当前分离纬度和涡流驱动运输的长期趋势
8. Investigation of the Relationship Between the Upper Ionosphere Drifts and the Currents Systems of the Dynamo-Region at Middle and High Latitudes [R] . Kashin, A. A. 1969

机译：中高纬度地区上电离层漂移与电流系统关系的研究

On the Linear Relationship between Loop Current Retreat Latitude and Eddy Separation Period

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