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Earth Sciences Division

Min-Seop Ahn

(Assistant Research Scientist)

Min-Seop Ahn's Contact Card & Information.
Email: minseop.ahn@nasa.gov
Org Code: 610.1
Address:
NASA/GSFC
 Mail Code 610.1
 Greenbelt, MD 20771
Employer: UNIV OF MARYLAND COLLEGE PARK

Research Interests

Application of machine learning for Earth system modeling, prediction, and diagnosis

Improving subseasonal to seasonal prediction skill

Development of model evaluation metrics and process-oriented diagnosis

Dynamics, modeling, and prediction of Madden-Julian Oscillation (MJO)

Current Projects

NASA GMAO Subseasonal to Seasonal (S2S) prediction

Modeling and Dynamics

  • Developing a machine learning-based State Dependent Tendency Bias Correction (SD-TBC) system for GEOS-S2S-3
  • Investigating mesoscale enhancement of surface turbulent heat fluxes in 50km GEOSgcm based on 6km GEOS-MITgcm

Positions/Employment

Assistant Research Scientist

Earth System Science Interdisciplinary Center (ESSIC) at University of Maryland (UMD) & Global Modeling and Assimilation Office (GMAO) at NASA Goddard Space Flight Center (GSFC) - MD, USA

May 2023 - Present

Postdoctoral Researcher

Lawrence Livermore National Laboratory - Livermore, CA, USA

May 2020 - April 2023

Postdoctoral Researcher

University of Washington & Chonnam National University - Seattle, WA, USA & Gwangju, South Korea

March 2017 - May 2020

Research Assistant

Korea Institute of Ocean Science and Technology - Busan, South Korea

December 2009 - August 2010

Education

Ph. D. (2017): Earth and Environmental Sciences, Seoul National University, Seoul, South Korea

Dissertation: Implementation of Comprehensive Cloud Microphysics in Global Climate Models


M. S. (2012): Earth and Environmental Sciences, Seoul National University, Seoul, South Korea

Thesis: Simulation of the MJO in an Idealized GCM: Impact of surface boundary condition on the slow eastward propagation of equatorial wave


B. S. (2010): Ocean Environment, Chonnam National University, Gwangju, South Korea

Publications

Refereed

2024. "Bimodality in simulated precipitation frequency distributions and its relationship with convective parameterizations." npj Climate and Atmospheric Science 7 (1): 132 [10.1038/s41612-024-00685-3] [Journal Article/Letter]

2024. "Systematic and objective evaluation of Earth system models: PCMDI Metrics Package (PMP) version 3." Geoscientific Model Development 17 (9): 3919-3948 [10.5194/gmd-17-3919-2024] [Journal Article/Letter]

2023. "Assessing decadal variability of subseasonal forecasts of opportunity using explainable AI." Environmental Research: Climate 2 (4): 045002 [10.1088/2752-5295/aced60] [Journal Article/Letter]

2023. "Evaluating precipitation distributions at regional scales: a benchmarking framework and application to CMIP5 and 6 models." Geoscientific Model Development 16 (13): 3927-3951 [10.5194/gmd-16-3927-2023] [Journal Article/Letter]

2022. "Benchmarking Simulated Precipitation Variability Amplitude across Time Scales." Journal of Climate 35 (20): 3173-3196 [10.1175/jcli-d-21-0542.1] [Journal Article/Letter]

2022. "Superior Daily and Sub‐Daily Precipitation Statistics for Intense and Long‐Lived Storms in Global Storm‐Resolving Models." Geophysical Research Letters 49 (8): [10.1029/2021gl096759] [Journal Article/Letter]

2022. "The Madden–Julian Oscillation in the Energy Exascale Earth System Model Version 1." Journal of Advances in Modeling Earth Systems 14 (2): [10.1029/2021ms002842] [Journal Article/Letter]

2021. "The Role of Background Meridional Moisture Gradient on the Propagation of the MJO over the Maritime Continent." Journal of Climate 34 (16): 6565–6581 [10.1175/jcli-d-20-0085.1] [Journal Article/Letter]

2021. "Intercomparison of MJO Column Moist Static Energy and Water Vapor Budget among Six Modern Reanalysis Products." Journal of Climate 34 (8): 2977-3001 [10.1175/jcli-d-20-0653.1] [Journal Article/Letter]

2021. "Evaluating the Diurnal and Semidiurnal Cycle of Precipitation in CMIP6 Models Using Satellite- and Ground-Based Observations." Journal of Climate 34 (8): 3189-3210 [10.1175/jcli-d-20-0639.1] [Journal Article/Letter]

2021. "The Relationship between Precipitation and Precipitable Water in CMIP6 Simulations and Implications for Tropical Climatology and Change." Journal of Climate 34 (5): 1587-1600 [10.1175/jcli-d-20-0211.1] [Journal Article/Letter]

2020. "The Role of the Mean State on MJO Simulation in CESM2 Ensemble Simulation." Geophysical Research Letters 47 (24): [10.1029/2020gl089824] [Journal Article/Letter]

2020. "Clouds and Convective Self‐Aggregation in a Multi‐Model Ensemble of Radiative‐Convective Equilibrium Simulations." Journal of Advances in Modeling Earth Systems [10.1029/2020ms002138] [Journal Article/Letter]

2020. "MJO Propagation Across the Maritime Continent: Are CMIP6 Models Better Than CMIP5 Models?." Geophysical Research Letters 47 (11): [10.1029/2020gl087250] [Journal Article/Letter]

2020. "Role of Maritime Continent Land Convection on the Mean State and MJO Propagation." Journal of Climate 33 (5): 1659-1675 [10.1175/jcli-d-19-0342.1] [Journal Article/Letter]

2019. "Do We Need to Parameterize Mesoscale Convective Organization to Mitigate the MJO‐Mean State Trade‐Off?." Geophysical Research Letters 46 (4): 2293-2301 [10.1029/2018gl080314] [Journal Article/Letter]

2019. "A Gray Zone GCM with Full Representation of Cloud Microphysics." Current Trends in the Representation of Physical Processes in Weather and Climate Models 139-155 [10.1007/978-981-13-3396-5_7] [Article in Book]

2019. "GCMs With Full Representation of Cloud Microphysics and Their MJO Simulations." Sub-Seasonal to Seasonal Prediction 305-319 [10.1016/b978-0-12-811714-9.00014-0] [Article in Book]

2018. "A practical approach to scale-adaptive deep convection in a GCM by controlling the cumulus base mass flux." npj Climate and Atmospheric Science 1 (1): 13 [10.1038/s41612-018-0021-0] [Journal Article/Letter]

2018. "Reexamining the Nonlinear Moisture‐Precipitation Relationship Over the Tropical Oceans." Geophysical Research Letters 45 (2): 1133-1140 [10.1002/2017gl076296] [Journal Article/Letter]

2017. "MJO simulation in CMIP5 climate models: MJO skill metrics and process-oriented diagnosis." Climate Dynamics 49 (11-12): 4023-4045 [10.1007/s00382-017-3558-4] [Journal Article/Letter]

2017. "Propagation Characteristics of Tropical-Subtropical Intraseasonal Variations during Boreal Summer and Their Mechanisms." The Global Monsoon System 139-146 [10.1142/9789813200913_0011] [Article in Book]

2016. "A GCM with cloud microphysics and its MJO simulation." Geoscience Letters 3 (1): 16 [10.1186/s40562-016-0048-1] [Journal Article/Letter]

2015. "Role of longwave cloud-radiation feedback in the simulation of the Madden-Julian Oscillation." Journal of Climate 28 (17): 6979-6994 [doi:10.1175/JCLI-D-14-00767.1] [Journal Article/Letter]

2013. "The Role of SST Structure in Convectively Coupled Kelvin–Rossby Waves and Its Implications for MJO Formation." Journal of Climate 26 (16): 5915-5930 [10.1175/jcli-d-12-00303.1] [Journal Article/Letter]

2013. "Impact of urbanization on recent temperature and precipitation trends in the Korean peninsula." Asia-Pacific Journal of Atmospheric Sciences 49 (2): 151-159 [10.1007/s13143-013-0016-z] [Journal Article/Letter]

2010. "Statistical relationship between two types of El Niño events and climate variation over the Korean Peninsula." Asia-Pacific Journal of Atmospheric Sciences 46 (4): 467-474 [10.1007/s13143-010-0027-y] [Journal Article/Letter]

Contact Us

Christina Beeg
Lead Administrative Assistant
301-614-5635
christina.l.beeg@nasa.gov

General inquiries about the scientific programs at NASA's Goddard Space Flight Center may be directed to the Center Office of Communications at 1.301.286.8955.