Faculty Profiles - MAK Julian | The Hong Kong University of Science and Technology

Julian MAK
麥晉朗

PhD in Applied Mathematics
The University of Leeds, 2013

Assistant Professor
Department of Ocean Science

(852) 3469 2823
jclmak@ust.hk
Room 5482
Personal Web

Google Scholar

IW4IckoAAAAJ

ORCID

0000-0001-5862-6469

Scopus ID

56376487200

Research Interest Publications Projects Teaching Assignment RPG Supervision Space used

Research Interest

Physical oceanography
Fluid mechanics
Applied mathematics
Global climate change
Computational mathematics

Publications

All Years 25 2024 4 2023 3 2022 4 2021 3 2020 1 2019 0 2018 10

2024 4

Combined physical and biogeochemical assessment of mesoscale eddy parameterisations in ocean models: Eddy-induced advection at eddy-permitting resolutions

Ocean Modelling, v. 190, August 2024, article number 102396, p. 1-15
Ruan, Xi; Couespel, Damien; Levy, Marina; Li, Jiying; Mak, Julian; Wang, Yan
Article

Edge-wave phase shifts versus normal-mode phase tilts in an Eady problem with a sloping boundary

Physical Review Fluids, v. 9, (8), August 2024, article number 083905
Mak, Chun Long Julian; Harnik, Nili; Heifetz, Eyal; Kumar, Gautam; Ong, Ellie Qing Yee
Article

On the choice of training data for machine learning of geostrophic mesoscale turbulence

Journal of Advances in Modeling Earth Systems, v. 16, (2), February 2024, article number e2023MS003915
Yan, Feier; Mak, Julian; Wang, Yan
Article

Parameterizing eddy buoyancy fluxes across prograde shelf/slope fronts using a slope-aware GEOMETRIC closure

Journal of Physical Oceanography, February 2024, p. 359-377
Wei, Huaiyu; Wang, Yan; Mak, Julian
Article

2023 3

Combined physical and biogeochemical assessment of mesoscale eddy parameterisations in ocean models: eddy induced advection at non-eddying resolutions

Ocean Modelling, v. 183, June 2023, article number 102204
Ruan, Xi; Couespel, D.; Levy, M.; Li, Jiying; Mak, Chun Long Julian; Wang, Yan
Article

Global Estimation of the Eddy Kinetic Energy Dissipation From a Diagnostic Energy Balance

Geophysical Research Letters, v. 50, (20), October 2023, article number e2023GL104688
Torres, Romain; Waldman, Robin; Mak, Chun Long Julian; Seferian, Roland
Article

Scale-Awareness in an Eddy Energy Constrained Mesoscale Eddy Parameterization

Journal of Advances in Modeling Earth Systems, v. 15, (12), December 2023, article number e2023MS003886
Mak, Julian; Maddison, James R.; Marshall, David P.; Ruan, Xi; Wang, Yan; Yeow, Liiyung
Article

2022 4

Acute Sensitivity of Global Ocean Circulation and Heat Content to Eddy Energy Dissipation Timescale

Geophysical Research Letters, v. 49, (8), 28 April 2022, article number e2021GL097259
Mak, Julian; Marshall, David P.; Madec, Gurvan; Maddison, James R.
Article

Inertio-gravity Poincaré waves and the quantum relativistic Klein–Gordon equation, near-inertial waves and the non-relativistic Schrödinger equation

Physics of Fluids, v. 34, (11), November 2022, article number 116608
Heifetz, Eyal; Maas, Leo R. M.; Mak, Julian; Pomerantz, Ishay
Article

On constraining the mesoscale eddy energy dissipation time-scale

Journal of Advances in Modeling Earth Systems, v. 14, (11), November 2022, article number e2022MS003223
Mak, Julian; Avdis, Alexandros; David, Tomos; Lee, Han Seul; Na, Yongsu; Wang, Yan; Yan, Feier
Article

Scalings for Eddy Buoyancy Fluxes Across Prograde Shelf/Slope Fronts

Journal of Advances in Modeling Earth Systems, v. 14, (12), December 2022, article number e2022MS003229
Wei, Huaiyu; Wang, Yan; Stewart, Andrew L.; Mak, Chun Long Julian
Article

2021 3

Analogy between electro-magnetic waves in cold unmagnetized plasma and shallow water inertio-gravity waves in geophysical systems

Journal of Physics Communications, v. 5, (12), 2021, article number 125006
Heifetz, Eyal; Maas, Leo; Mak, Julian; Pomerantz, Ishay
Article

Distinct interaction effects of warming and anthropogenic input on diatoms and dinoflagellates in an urbanized estuarine ecosystem

Global Change Biology, 1 May 2021
Cheung, Yan Yin Jenny; Cheung, Shun Yan; Mak, Chun Long Julian; Liu, Kailin; Xia, Xiaomin; Zhang, Xiaodong; Yung, Yingkit; Liu, Hongbin
Article

Zero absolute vorticity plane Couette flow as an hydrodynamic representation of quantum energy states under perpendicular magnetic fields

Physics of Fluids, v. 33, (12), December 2021, article number 127120
Heifeitz, Eyal; Maas, Leo; Mak, Julian
Article

2020 1

GEOMETRIC: Geometry and energetics of ocean mesoscale eddies and their representation in climate models

US CLIVAR Variations, v. 18, (1), Winter 2020, p. 17-22
Marshall, David P.; Maddison, James R.; Mak, Julian; Bachman, Scott D.; Munday, David R.
Conference paper

2018 1

Implementation of a Geometrically Informed and Energetically Constrained Mesoscale Eddy Parameterization in an Ocean Circulation Model

Journal of Physical Oceanography, v. 48, (10), October 2018, p. 2363-2382
Mak, Julian; Maddison, James R.; Marshall, David P.; Munday, D. R.
Article

2017 3

Emergent Eddy Saturation From an Energy Constrained Eddy Parameterisation

Ocean Modelling, v. 112, April 2017, p. 125-138
Mak, Julian; Marshall, David P.; Maddison, James R.; Bachman, Scott D.
Article

Evaluation of a Scalar Eddy Transport Coefficient Based on Geometric Constraints

Ocean Modelling, v. 109, January 2017, p. 44-54
Bachman, Scott D.; Marshall, David P.; Maddison, James R.; Mak, Julian
Article

Vortex Disruption by Magnetohydrodynamic Feedback

Physical Review Fluids, v. 2, (11), November 2017, article number 113701
Mak, Julian; Griffiths, Stephen D.; Hughes, David W.
Article

2016 2

A New Gauge-invariant Method for Diagnosing Eddy Diffusivities

Ocean Modelling, v. 104, August 2016, p. 252-268
Mak, Julian; Maddison, James R.; Marshall, David P.
Article

Shear Flow Instabilities in Shallow-water Magnetohydrodynamics

Journal of Fluid Mechanics, v. 788, January 2016, p. 767-796
Mak, Julian; Griffiths, Stephen D.; Hughes, David W.
Article

2015 2

Interacting Vorticity Waves as an Instability Mechanism for Magnetohydrodynamic Shear Instabilities

Journal of Fluid Mechanics, v. 767, March 2015, p. 199-225
Heifetz, Eyal; Mak, Julian; Nycander, Jonas; Umurhan, Orkan M.
Article

Stratified Shear Flow Instabilities in the Non-boussinesq Regime

Physics of Fluids, v. 27, (8), 2015, article number 086601
Heifetz, Eyal; Mak, Julian
Article

2014 1

Magnetohydrodynamic Shear Instabilities Arising From Interacting Vorticity Waves

WIT Transactions on Engineering Sciences, v. 82, July 2014, p. 371-380
Heifetz, Eyal; Mak, Julian
Conference paper

2011 1

Linear Stability Analysis for Plane-poiseuille Flow of an Elastoviscoplastic Fluid With Internal Microstructure for Large Reynolds Numbers

Journal of Non-Newtonian Fluid Mechanics, v. 166, (9-10), May 2011, p. 515-531
Moyers-González, Miguel A.; Burghelea, Teodor I.; Mak, Julian
Article

Article 4

Combined physical and biogeochemical assessment of mesoscale eddy parameterisations in ocean models: Eddy-induced advection at eddy-permitting resolutions

Ocean Modelling, v. 190, August 2024, article number 102396, p. 1-15
Ruan, Xi; Couespel, Damien; Levy, Marina; Li, Jiying; Mak, Julian; Wang, Yan

Edge-wave phase shifts versus normal-mode phase tilts in an Eady problem with a sloping boundary

Physical Review Fluids, v. 9, (8), August 2024, article number 083905
Mak, Chun Long Julian; Harnik, Nili; Heifetz, Eyal; Kumar, Gautam; Ong, Ellie Qing Yee

On the choice of training data for machine learning of geostrophic mesoscale turbulence

Journal of Advances in Modeling Earth Systems, v. 16, (2), February 2024, article number e2023MS003915
Yan, Feier; Mak, Julian; Wang, Yan

Parameterizing eddy buoyancy fluxes across prograde shelf/slope fronts using a slope-aware GEOMETRIC closure

Journal of Physical Oceanography, February 2024, p. 359-377
Wei, Huaiyu; Wang, Yan; Mak, Julian

Article 3

Combined physical and biogeochemical assessment of mesoscale eddy parameterisations in ocean models: eddy induced advection at non-eddying resolutions

Ocean Modelling, v. 183, June 2023, article number 102204
Ruan, Xi; Couespel, D.; Levy, M.; Li, Jiying; Mak, Chun Long Julian; Wang, Yan

Global Estimation of the Eddy Kinetic Energy Dissipation From a Diagnostic Energy Balance

Geophysical Research Letters, v. 50, (20), October 2023, article number e2023GL104688
Torres, Romain; Waldman, Robin; Mak, Chun Long Julian; Seferian, Roland

Scale-Awareness in an Eddy Energy Constrained Mesoscale Eddy Parameterization

Journal of Advances in Modeling Earth Systems, v. 15, (12), December 2023, article number e2023MS003886
Mak, Julian; Maddison, James R.; Marshall, David P.; Ruan, Xi; Wang, Yan; Yeow, Liiyung

Article 4

Acute Sensitivity of Global Ocean Circulation and Heat Content to Eddy Energy Dissipation Timescale

Geophysical Research Letters, v. 49, (8), 28 April 2022, article number e2021GL097259
Mak, Julian; Marshall, David P.; Madec, Gurvan; Maddison, James R.

Inertio-gravity Poincaré waves and the quantum relativistic Klein–Gordon equation, near-inertial waves and the non-relativistic Schrödinger equation

Physics of Fluids, v. 34, (11), November 2022, article number 116608
Heifetz, Eyal; Maas, Leo R. M.; Mak, Julian; Pomerantz, Ishay

On constraining the mesoscale eddy energy dissipation time-scale

Journal of Advances in Modeling Earth Systems, v. 14, (11), November 2022, article number e2022MS003223
Mak, Julian; Avdis, Alexandros; David, Tomos; Lee, Han Seul; Na, Yongsu; Wang, Yan; Yan, Feier

Scalings for Eddy Buoyancy Fluxes Across Prograde Shelf/Slope Fronts

Journal of Advances in Modeling Earth Systems, v. 14, (12), December 2022, article number e2022MS003229
Wei, Huaiyu; Wang, Yan; Stewart, Andrew L.; Mak, Chun Long Julian

Article 3

Analogy between electro-magnetic waves in cold unmagnetized plasma and shallow water inertio-gravity waves in geophysical systems

Journal of Physics Communications, v. 5, (12), 2021, article number 125006
Heifetz, Eyal; Maas, Leo; Mak, Julian; Pomerantz, Ishay

Distinct interaction effects of warming and anthropogenic input on diatoms and dinoflagellates in an urbanized estuarine ecosystem

Global Change Biology, 1 May 2021
Cheung, Yan Yin Jenny; Cheung, Shun Yan; Mak, Chun Long Julian; Liu, Kailin; Xia, Xiaomin; Zhang, Xiaodong; Yung, Yingkit; Liu, Hongbin

Zero absolute vorticity plane Couette flow as an hydrodynamic representation of quantum energy states under perpendicular magnetic fields

Physics of Fluids, v. 33, (12), December 2021, article number 127120
Heifeitz, Eyal; Maas, Leo; Mak, Julian

Conference paper 1

GEOMETRIC: Geometry and energetics of ocean mesoscale eddies and their representation in climate models

US CLIVAR Variations, v. 18, (1), Winter 2020, p. 17-22
Marshall, David P.; Maddison, James R.; Mak, Julian; Bachman, Scott D.; Munday, David R.

Article 1

Implementation of a Geometrically Informed and Energetically Constrained Mesoscale Eddy Parameterization in an Ocean Circulation Model

Journal of Physical Oceanography, v. 48, (10), October 2018, p. 2363-2382
Mak, Julian; Maddison, James R.; Marshall, David P.; Munday, D. R.

Article 3

Emergent Eddy Saturation From an Energy Constrained Eddy Parameterisation

Ocean Modelling, v. 112, April 2017, p. 125-138
Mak, Julian; Marshall, David P.; Maddison, James R.; Bachman, Scott D.

Evaluation of a Scalar Eddy Transport Coefficient Based on Geometric Constraints

Ocean Modelling, v. 109, January 2017, p. 44-54
Bachman, Scott D.; Marshall, David P.; Maddison, James R.; Mak, Julian

Vortex Disruption by Magnetohydrodynamic Feedback

Physical Review Fluids, v. 2, (11), November 2017, article number 113701
Mak, Julian; Griffiths, Stephen D.; Hughes, David W.

Article 2

A New Gauge-invariant Method for Diagnosing Eddy Diffusivities

Ocean Modelling, v. 104, August 2016, p. 252-268
Mak, Julian; Maddison, James R.; Marshall, David P.

Shear Flow Instabilities in Shallow-water Magnetohydrodynamics

Journal of Fluid Mechanics, v. 788, January 2016, p. 767-796
Mak, Julian; Griffiths, Stephen D.; Hughes, David W.

Article 2

Interacting Vorticity Waves as an Instability Mechanism for Magnetohydrodynamic Shear Instabilities

Journal of Fluid Mechanics, v. 767, March 2015, p. 199-225
Heifetz, Eyal; Mak, Julian; Nycander, Jonas; Umurhan, Orkan M.

Stratified Shear Flow Instabilities in the Non-boussinesq Regime

Physics of Fluids, v. 27, (8), 2015, article number 086601
Heifetz, Eyal; Mak, Julian

Conference paper 1

Magnetohydrodynamic Shear Instabilities Arising From Interacting Vorticity Waves

WIT Transactions on Engineering Sciences, v. 82, July 2014, p. 371-380
Heifetz, Eyal; Mak, Julian

Article 1

Linear Stability Analysis for Plane-poiseuille Flow of an Elastoviscoplastic Fluid With Internal Microstructure for Large Reynolds Numbers

Journal of Non-Newtonian Fluid Mechanics, v. 166, (9-10), May 2011, p. 515-531
Moyers-González, Miguel A.; Burghelea, Teodor I.; Mak, Julian

2018 1

Implementation of a Geometrically Informed and Energetically Constrained Mesoscale Eddy Parameterization in an Ocean Circulation Model

Journal of Physical Oceanography, v. 48, (10), October 2018, p. 2363-2382
Mak, Julian; Maddison, James R.; Marshall, David P.; Munday, D. R.
Article

2017 3

Emergent Eddy Saturation From an Energy Constrained Eddy Parameterisation

Ocean Modelling, v. 112, April 2017, p. 125-138
Mak, Julian; Marshall, David P.; Maddison, James R.; Bachman, Scott D.
Article

Evaluation of a Scalar Eddy Transport Coefficient Based on Geometric Constraints

Ocean Modelling, v. 109, January 2017, p. 44-54
Bachman, Scott D.; Marshall, David P.; Maddison, James R.; Mak, Julian
Article

Vortex Disruption by Magnetohydrodynamic Feedback

Physical Review Fluids, v. 2, (11), November 2017, article number 113701
Mak, Julian; Griffiths, Stephen D.; Hughes, David W.
Article

2016 2

A New Gauge-invariant Method for Diagnosing Eddy Diffusivities

Ocean Modelling, v. 104, August 2016, p. 252-268
Mak, Julian; Maddison, James R.; Marshall, David P.
Article

Shear Flow Instabilities in Shallow-water Magnetohydrodynamics

Journal of Fluid Mechanics, v. 788, January 2016, p. 767-796
Mak, Julian; Griffiths, Stephen D.; Hughes, David W.
Article

2015 2

Interacting Vorticity Waves as an Instability Mechanism for Magnetohydrodynamic Shear Instabilities

Journal of Fluid Mechanics, v. 767, March 2015, p. 199-225
Heifetz, Eyal; Mak, Julian; Nycander, Jonas; Umurhan, Orkan M.
Article

Stratified Shear Flow Instabilities in the Non-boussinesq Regime

Physics of Fluids, v. 27, (8), 2015, article number 086601
Heifetz, Eyal; Mak, Julian
Article

2014 1

Magnetohydrodynamic Shear Instabilities Arising From Interacting Vorticity Waves

WIT Transactions on Engineering Sciences, v. 82, July 2014, p. 371-380
Heifetz, Eyal; Mak, Julian
Conference paper

2011 1

Linear Stability Analysis for Plane-poiseuille Flow of an Elastoviscoplastic Fluid With Internal Microstructure for Large Reynolds Numbers

Journal of Non-Newtonian Fluid Mechanics, v. 166, (9-10), May 2011, p. 515-531
Moyers-González, Miguel A.; Burghelea, Teodor I.; Mak, Julian
Article

No Publications

Teaching Assignment

2024-25 Fall 0 2023-24 Summer 0 2023-24 Spring 5 2023-24 Winter 0 2023-24 Fall 1 2022-23 Summer 1

OCES1001	The Earth as a Blue Planet
OCES2003	Descriptive Physical Oceanography
OCES3301	Data Analysis in Ocean Science
OCES4964	Ocean Science and Technology Capstone Project Research
OCES5200	Physical Oceanography

OCES1001

The Earth as a Blue Planet

UROP1000

Undergraduate Research Opportunities

No Teaching Assignments

Research Postgraduate (RPG) Supervision

From January 2021 to December 2024 (As of 21 November 2024)

All Supervisions Current RPGs Graduated RPGs

Current RPGs

Doctor of Philosophy

LEE, Ho Ching
Marine Environmental Science
YAN, Feier
Marine Environmental Science
LEE, Han Seul
Marine Environmental Science
NA, Yongsu
Marine Environmental Science
RUAN, Xi
Marine Environmental Science

Graduated RPGs

Master of Philosophy

BARTLEY, Daniel Peter
Marine Environmental Science( Completed in 2024 )
LIU, Yongqi
Marine Environmental Science( Completed in 2022 )

Projects

From January 2022 to December 2024

All Projects 6 Leading Projects 3 Participating Projects 3

Implementing a slope- and scale-aware mesoscale eddy parameterization in global ocean models

在全球海洋模式中實現地形坡度與動力尺度感知的中尺度湍流參數化 Participating

RGC - General Research Fund
Project Team (HKUST)
WANG Yan (Lead)

MAK Julian
2024 -
Multi-sensor monitoring, geophysical interpretation and prediction of sea level rise in Hong Kong

香港地區海平面上升的多源觀測，機理解釋和預測 Participating

RGC - Collaborative Research Fund
Project Team (HKUST)
MAK Julian
2024 -
Inferring ocean eddy energy dissipation timescale from observations using an inverse method Participating

The Royal Society
Project Team (HKUST)
MAK Julian
2023 - 2024
Numerical modelling of the influence of secondary surface roughness on urban turbulence and ventilation Leading

RGC - General Research Fund
Project Team (HKUST)
MAK Julian (Lead)
2022 -
Inferring South China Sea abyssal upwelling via a consistent regional state estimate

利用區域觀測數據同化海洋模型來推斷南中國海的深淵上升 Leading

RGC - General Research Fund
Project Team (HKUST)
MAK Julian (Lead)
2021 -
Constraining uncertain parameters in IPCC-class global ocean circulation models using inverse methods

使用逆方法約束IPCC級全球海洋環流模型中的不確定參數 Leading

RGC - Early Career Scheme
Project Team (HKUST)
MAK Julian (Lead)
2020 - 2023

Research Interest

Publications

2024 4

2023 3

2022 4

2021 3

2020 1

2018 1

2017 3

2016 2

2015 2

2014 1

2011 1

Article 4

Article 3

Article 4

Article 3

Conference paper 1

Article 1

Article 3

Article 2

Article 2

Conference paper 1

Article 1

2018 1

2017 3

2016 2

2015 2

2014 1

2011 1

Teaching Assignment

Research Postgraduate (RPG) Supervision

From January 2021 to December 2024 (As of 21 November 2024)

Current RPGs

Graduated RPGs

Projects

From January 2022 to December 2024

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