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Lei Zhou

Editor of JGR: Oceans

Photo of researchers deploying an Argo float.
Posted inEditors' Highlights

Are Rogue Argo Floats Skewing Ocean Salinity Data Products?

by Lei Zhou 19 November 202418 November 2024

Global ocean salinity products have become increasingly inconsistent since 2015, coinciding with a drift to higher salinity values in a number of Argo sensors.

Satellite photo of a tropical cyclone with a graph overlaying it.
Posted inEditors' Highlights

Ocean Waves Cause Drag Coefficient Asymmetry Within Typhoons

by Lei Zhou 5 October 20224 October 2022

Observations show that, due to ocean waves, the drag coefficients for surface wind stresses have spatial asymmetry within typhoons, which should be considered in weather and climate simulations.

Posted inEditors' Highlights

Wind Stress is not the Ceiling of Momentum Flux to the Ocean

by Lei Zhou 15 February 202116 September 2022

The ocean is mainly driven by wind stress, but simultaneous observations show that the gain of momentum flux by the ocean can be larger than the wind stress due to the influence of ocean waves.

Schematic showing the interactions between typhoon and mesoscale processes in the ocean
Posted inEditors' Highlights

A Direct Bridge Between Tropical Cyclones and Ocean Eddies

by Lei Zhou 11 August 202016 December 2021

Tropical cyclones can inject potential vorticity directly into ocean eddies—an alternative way for tropical cyclones to leave fingerprints on the ocean besides the traditional near-inertial wave.

Diagram and chart showing characteristics of the North Equatorial Current Bifurcation
Posted inEditors' Highlights

Different El Niño, Different Paths of North Equatorial Current

by Lei Zhou 6 April 202016 December 2021

Different types of El Niño have different impacts on the North Equatorial Current Bifurcation and can be extended to ocean circulations in the Pacific and the global climate system.

Visualization showing differences between the Lagrangian specification and the Eulerian specification
Posted inEditors' Highlights

Different Eddy Transport for “Lazy” and “Athletic” Observers

by Lei Zhou 2 January 202012 January 2022

Two specifications of fluid dynamics—taking measurements at a fixed point and following a fluid parcel—are compared for quantifying eddy transport in the ocean.

Chart showing dependence of drag coefficients for the air-sea exchanges on wind speeds at 10 meters
Posted inEditors' Highlights

Air-Sea Exchanges from a Wave-Following Platform

by Lei Zhou 11 July 201916 December 2021

Data obtained from a wave-following platform are used to calibrate coefficients and multiple parameterizations of air-sea fluxes in swell conditions.

Sea surface temperatures off northeastern Taiwan
Posted inEditors' Highlights

Route for Upwelled Kuroshio Waters into East China Sea Shelf

by Lei Zhou 18 February 201911 January 2022

A simple algorithm obtains short-term variations in upwelling, which show that the subsurface Kuroshio waters can upwell directly into the East China Sea shelf under the advection of the Kuroshio.

Posted inEditors' Highlights

A Comprehensive Estimate on the Entropy Budget in the Ocean

by Lei Zhou 21 December 201828 February 2023

An analysis of the energy budget in the ocean estimates the Carnot work to be 110 terawatts and the ocean’s Carnot efficiency to be 0.86%.

Posted inEditors' Highlights

New Definition of Potential Spicity by the Least Square Method

by Lei Zhou 19 November 201816 February 2023

A thermodynamic function of the potential spicity is defined and it is orthogonal to the potential density in the least square sense.

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