Min-Seop Ahn
(Assistant Research Scientist)
| 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]