Tieh Yong Koh

Associate Professor Koh Tieh Yong

Associate Professor

Centre for University Core

Tel: +65 6248​ 0315​

Email: 4oCLdHlrb2hAc3Vzcy5lZHUuc2c=

Educational Qualifications

  • 2001
    PhD (Atmospheric Science), Massachusetts Institute of Technology

  • 1994
    BSc Hons 1st (Physics), Imperial College London

Academic and Professional Experience

2015 - 2016
Associate Professor, School of Environment, Nanyang Technological University (NTU)

2013 - 2015
Associate Professor, School of Physical & Mathematical Sciences, NTU

2009 - 2016
Principal Investigator, Earth Observatory of Singapore, NTU

2008 - 2017
Co-Investigator, Center for Environmental Sensing & Modeling (CENSAM), Singapore-MIT Alliance for Research and Technology (SMART)

2005 - 2014
Principal Investigator, Temasek Laboratories, NTU

2004 - 2013
Assistant Professor, School of Physical & Mathematical Sciences, NTU

2001 - 2004
Research Scientist (A), Temasek Laboratories, National University of Singapore (NUS)

2001
Visiting Scientist, Laboratoire de Meteorologie Dynamique (LMD), Ecole Polytechnique

Journal Articles (Refereed):

Teo, C.-K., T.-Y. Koh, K. K. W. Cheung, B. Legras, H. N. Huynh, L. Y. Chew and L. Norford (2021)
"Scaling characteristics of modelled tropical oceanic rain clusters", Q. J. R. Meteorol. Soc., 147(735), 1055-1069. doi: 10.1002/qj.3959.

Fonseca, R., T.-Y. Koh and C.-K. Teo (2019)
"Multi-scale interactions in a high-resolution tropical-belt experiment and observations", Clim. Dyn., 52(5), 3503-3532. doi: 10.1007/s00382-018-4332-y.

Li, X. X., T.-Y. Koh, J. Panda and L. K. Norford (2016)
"Impact of urbanization patterns on the local climate of a tropical city Singapore: an ensemble study", J. Geophys. Res., 121(9), 4386-4403. doi: 10.1002/2015JD024452.

Koh, T.-Y. and R. Fonseca (2016)
"Subgrid-scale cloud-radiation feedback for the Betts-Miller-Janjic convection scheme", Q. J. R. Meteorol. Soc., 142(695), 989-1006. doi:10.1002/qj.2702.

Chen, H., P. Malanotte-Rizzoli, T.-Y. Koh, G. Song (2014)
"The relative importance of the wind-driven and tidal circulations in Malacca Strait", Cont. Shelf Res., 88, 92-102.

Koseki, S., T.-Y. Koh and C.-K. Teo (2014)
"Borneo vortex and meso-scale convective rainfall", Atmos. Chem. and Phys., 14, 4539-4562, doi:10.5194/acp-14-4539-2014.

Li, X. X., T.-Y. Koh, D. Entekhabi, M. Roth, J. Panda and L. K. Norford (2013)
"A multi-resolution ensemble study of a tropical urban environment and its interactions with the background regional atmosphere", J. Geophys. Res. doi: 10.1002/jgrd.50795.

Koseki, S., T. Y. Koh and C. K. Teo (2013)
"Effects of the Cold Tongue in the South China Sea on the Monsoon, Diurnal Cycle and Rainfall in the Maritime Continent", Quart. J. Roy. Meteor. Soc., 139(675), 1566-1582. DOI: 10.1002/qj.2052.

Koh, T. Y., S. Wang and B. C. Bhatt (2012)
"A diagnostic suite to assess NWP performance", J. Geophys. Res., 117, D13109, doi:10.1029/2011JD017103.

Li, X. X., R. E. Britter, L. K. Norford, T. Y. Koh and D. Entekhabi (2012)
"Flow and pollutant transport in urban street canyons of different aspect ratios with ground heating: large-eddy simulation", BoundaryLayer Meteorology, 142(2), 289-304.

Teo, C. K., T. Y. Koh, C. F. Lo, B. C. Bhatt (2011)
"Principal Component Analysis of observed and modelled diurnal rainfall in the Maritime Continent", J. Clim., 24(17), 4662-4675.

Koh, T. Y. and C. K. Teo (2009)
"Towards a mesoscale observation network in Southeast Asia", Bull. Amer. Meteor. Soc., 90(4), doi: 10.1175/2008BAMS2561.1.

Joseph, B., B. C. Bhatt, T. Y. Koh and S. Chen (2008)
"Sea breeze simulation over Malay Peninsula over an intermonsoon period", J. Geophys. Res., 113, D20122, doi:10.1029/2008JD010319.

Koh, T. Y. and R. A. Plumb (2004)
"Isentropic zonal average formalism and the near-surface circulation", Quart. J. Roy. Meteor. Soc., 130(600), pp. 1631-1654.

Koh, T. Y. and B. Legras (2002)
"Hyperbolic lines and the stratospheric polar vortex", Chaos, 12(2), pp. 382- 394. [ *most cited paper* ]

Koh, T. Y. and R. A. Plumb (2000)
"Lobe dynamics applied to barotropic Rossby-wave breaking", Phys. Fluids, 12(6), pp. 1518-1528.

Book Chapters:

Annamalai, H., W. R. Boos, G. Martin, B. Mapes, Y. Ming, P. Mukhopadhyay, T.-Y. Koh and S. Rao (2021)
"Grand Challenges in Asian Summer Monsoon Modeling — Representation of Processes and Sources of Model Error" in The Multiscale Global Monsoon System, C.-P. Chang, K.-J. Ha, R. H. Johnson, D. Kim, G. N. C. Lau and B. Wang, Eds., Vol. 11, World Scientific Series on Asia-Pacific Weather and Climate, World Scientific Publishing Co, pp. 420. ISBN: 978-981-121-659-6 (hardcover), 978-981-121-661-9(e-book).

Robertson, A. W., V. Moron, C.-P. Chang, F. Tangang, E. Aldrian, T. Y. Koh, L. Juneng (2011)
"The Maritime Continent Monsoon" in The Global Monsoon System - Research and Forecast, C.-P. Chang, Y. Ding, N.-C. Lau, R. H. Johnson, B. Wang and T. Yasunari, Eds., Vol. 5, World Scientific Series on Asia-Pacific Weather and Climate, World Scientific Publishing Co, pp. 594. ISBN: 978-981-4343-40-4.

Koh, T. Y. and P. Linden (2011)
"Geophysical and Environmental Fluid Mechanics" in Environmental Hazards, the Fluid Dynamics and Geophysics of Extreme Events, H. K. Moffatt and E. Shuckburgh, Eds., Vol. 21, Lecture Notes Series, Institute for Mathematical Sciences, National University of Singapore, World Scientific Publishing Co, pp. 315. ISBN: 978-981-4366-99-1.

Proceeding Papers:

T.-Y. Koh (2015)
"Statistical Distributions and Climate Change", Procedia IUTAM, 17, 53-58, doi:10.1016/j. piutam.2015.06.009.

Panda, J. and T.-Y. Koh (2014)
"Interaction between urban surface boundary and mesoscale weather", Proceedings of the 11th Symposium on the Urban Environment, American Meteorological Society, 2-6 February 2014. (https://ams.confex.com/ams/94Annual/webprogram/Paper232705.html)

2020 - 2021
Member, Syllabus Development Committee for Pre-University H1 and H2 Geography, Ministry of Education, Singapore

2020
Contributor, "ASEAN State of Climate Change Report", commissioned by ASEAN Working Group on Climate Change (AWGCC)

2019
Member, Curriculum Review Committee for Pre-University Geography, Ministry of Education, Singapore

2017 - Present
Member, Stratospheric and Tropospheric Influences on Tropical Convective Systems, Stratosphere-Troposphere Processes and their Role in Climate, World Climate Research Programme, World Meteorological Organisation

2016 - Present
Editor, Scientific Online Letters on the Atmosphere, Meteorological Society of Japan

2016 - Present
Member, Asia-Australia Monsoon Working Group, CLIVAR/GEWEX Monsoons Panel, World Meteorological Organisation

2015
Invited Speaker, International Student Energy Summit

2014 - Present
Member, Madden-Jullian Oscillation Task Force, Working Group on Numerical Experimentation, World Meteorological Organisation

2014
Examiner, Asian Physics Olympiad

2013 - 2014
Member, Advisory Committee, Climate Change Exhibition, Singapore Science Centre

2013
Expert Reviewer, 5th Assessment Report, Inter-governmental Panel for Climate Change

2012
Editor, Advances in Geosciences, Vol. 28 - Atmospheric Science and Ocean Science

2011
Editor, Advances in Geosciences, Vol. 22 - Atmospheric Science

2010 - Present
Secretary, Atmospheric Sciences Section, Asia-Oceania Geosciences Society

2006
Examiner, International Physics Olympiad

2004 - Present
Member, Asia-Oceania Geosciences Society

2021
Singapore Ministry of Education, Academy of Singapore Teachers, Teacher Trainer for "Climate for Secondary and Pre-University Geography" programme

2014 - 2015
DSO National Laboratories, Weather Project Consultant

2012
DSO National Laboratories, Weather Project Consultant

  • Weather and climate of Southeast Asia
  • Multi-scale interactions in the tropical atmosphere
  • Predictability and complexity in atmospheric science
  • Mixing and transport of tracers
  • Geophysical fluid dynamics
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