Paper
53. Kang, E.-J., Sohn, B. J., Kim, H., Kim, W., Kwon, I.-H., Kang, J.-H., Kim, E.-J., Song, H.-J., H.-W. Chun, and Tonboe, R. T. (2026) Enabling Assimilation of Surface-Sensitive ATMS Channels Over Arctic Sea Ice Using a Penetration-Aware Lower Boundary Schem. IEEE Transactions on Geoscience and Remote Sensing (submitted)
52. Kang, E.-J., Sohn, B. J., Song, H.-J., and Kim, W. (2026) Thirteen Winters (2012–2025) of Penetration-Aware Arctic Sea-Ice Emissivity and Emission Temperature from AMSR2. Earth System Science Data (submitted)
51. Lee, D., Lee, J., Kim, S., Kim, J., Yeo, M. J. Yu, J.-A., Lim, H., Song, H.-J., & Koo, J.-H. (2026) Evaluation of the immediate impact of the 2025 Korean wildfires on the air quality over South Korea based on satellite and reanalysis data analyses. Pure and Applied Geophysics (submitted)
50. Roh, S., Jang, S., Song, H.-J. Lim, K. S., Choi, W.-J., & Ryu, J. (2026) A neural network emulator for melting process of hydrometeors in cloud microphysics scheme. IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing (submitted)
49. Moon, Y. M., Kang, E.-J. , Song, H.-J., Choi, M., Kim, M., Jang, S., Choi, W.-J. & Ryu, J. (2026) Long-term Arctic cloud water responses to warming and moistening in the MERRA-2, ERA5, and JRA-3Q reanalyses. IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing (submitted)
48. Jang, S. Ryu, J., Song, H.-J., Lim, K. S. Park. S.-Y., & Choi, W.-J. (2026) Evaluation of cloud microphysics schemes using a satellite radar simulator over the Oklahoma and Korea regions. GIScience & Remote Sensing (submitted)
47. Choi, W.-J., Moon, Y. M., Yoon, T.-H., Kim, M., Ryu, J. & Song, H.-J. (2026) Global spatiotemporal variability of chlorophyll-a and environmental drivers revealed by EOF analysis. Limnology and Oceanography Letters, 11(5), e70165. https://doi.org/10.1002/lol2.70165
46. Roh, S. & Song, H.-J. (2026) Recent Advances in AI-based Radiation Emulators for Numerical Weather and Climate Prediction Models. GEO DATA, 8(2), 57-70. https://doi.org/10.22761/GD.2026.0001
45. Choi, W.-J., Song, H.-J., Gim, H.-J., Kim, M. & Park, H.-S (2026) K-means classification on the long-term global vegetation index variation. Frontiers in Forests and Global Change, 8, 1696015. https://doi.org/10.3389/ffgc.2025.1696015
44. Kang, E.-J., Sohn, B. J., Kim, W., Kwon, I.-H., Lee. S., Song, H.-J., & Noh, Y.-C., (2026) Impact of satellite-based ice skin temperature initialization on Arctic winter forecasts using the Korean Integrated Model. Geoscience Letters, 13, 1. https://doi.org/10.1186/s40562-025-00450-1
43. Koo, J.-H., Lee, S.-J., Lee, T., Lee. D., Yeo, M. J., Song, H.-J., Jeong, S. & Hong, J. (2025) Analysis of methane (CH4) distribution in Northeast Asia based on satellite measurement data. Journal of Korean Society for Atmospheric Environment, 41, 826-844. https://doi.org/10.5572/KOSAE.2025.41.5.826 (in Korean with English abstract)
42. Choi, J., Roh, S., Song, H.-J., Baek, S., Choi, M. & Choi, W.-J. (2025) An evaluation of radiation parameterizations in a meso-scale weather prediction model using satellite flux observations. Remote Sensing, 17, 3312. https://doi.org/10.3390/rs17193312
41. Ryu, J., Choi, M., Song, H.-J. & Choi, W.-J. (2025) Contrasting features of cloud and radiative heating from multi-satellite observations over Oklahoma and Korea. International Journal of Applied Earth Observation and Geoinformation, 143, 104832. https://doi.org/10.1016/j.jag.2025.104832
40. Lee, D., Kim. J.-S., Walker, K., Sheese, P., Park, S. S., Choi. T., Park. M., Song, H.-J., & Joo, J.-H. (2025) The influence of Australian bushfire to the upper tropospheric CO and hydrocarbon distribution in the South Pacific. Remote Sensing, 17, 2092. https://doi.org/10.3390/rs17122092
39. Kang, E.-J., Sohn, B. J., Song, H.-J., & Liu, C. (2025). Satellite-estimated microwave emissivity and emission temperature over the Arctic sea ice: ANN-based algorithm. Journal of Geophysical Research: Atmospheres, 130, e2024JD042265. https://doi.org/10.1029/2024JD042265
38. Ju, S.-D., Choi, W.-J., & Song, H.-J. (2024) Critical role of area-weighting on estimated long-term global warming and heat wave trends. AppliedMath, 4, 1618-1628. https://doi.org/10.3390/appliedmath4040086
37. Roh, S, Kim, P. S. & Song, H.-J. (2024). Streamlining hyperparameter optimization for radiation emulator training with automated Sherpa. Geoscience Letters, 11, 19. https://doi.org/10.1186/s40562-024-00336-8
36. Song, H.-J., & Roh, S. (2023). Impact of horizontal resolution on the robustness of radiation emulators in a numerical weather prediction model. Remote Sensing, 15, 2637. https://doi.org/10.3390/rs15102637
35. Song, H.-J. (2023). Long-term variations of cloud top patterns associated with heavy rainfall over the Korean peninsula. Journal of Hydrology: Regional Studies, 46, 101337. https://doi.org/10.1016/j.ejrh.2023.101337
34. Song, H.-J., Roh, S., Lee, J., Nam, G., Yun, E., Yoon, J., & Kim, P. S. (2022). Benefits of stochastic weight averaging in developing neural network radiation scheme for numerical weather prediction. Journal of Advances in Modeling Earth Systems, 14, e2021MS002921. https://doi.org/10.1029/2021MS002921
33. Song, H.-J., & Lim, K. S. (2022). Evaluation of bulk microphysics parameterizations for simulating the vertical structure of heavy rainfall between Korea and the United States. Weather and Climate Extremes, 37, 100490. https://doi.org/10.1016/j.wace.2022.100490
KNU-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
32. Song, H.-J., & Kim, P. S. (2022). Effects of cloud microphysics on the universal performance of neural network radiation scheme. Geophysical Research Letters, 49, e2022GL098601. https://doi.org/10.1029/2022GL098601
31. Kim, P. S., & Song, H.-J. (2022). Usefulness of automatic hyperparameter optimization in developing radiation emulator in a numerical weather prediction model. Atmosphere, 13, 721. https://doi.org/10.3390/atmos13050721
30. Song, H.-J., Roh, S., & Park, H. (2021). Compound parameterization to improve the accuracy of radiation emulator in a numerical weather prediction model. Geophysical Research Letters, 48, e2021GL095043. https://doi.org/10.1029/2021GL095043
29. Song, H.-J., & Roh, S. (2021). Improved weather forecasting using neural network emulation for radiation parameterization. Journal of Advances in Modeling Earth Systems, 13, 2021MS002609. https://doi.org/10.1029/2021MS002609
28. Ningombam, S. S., Song, H.-J., Mugil, S. K., Dumka, U. C., Jarson, E. J. L., Kumar, B., Prabhu, T. P., & Sagar, R. (2021), Evaluation of fractional clear sky over potential astronomical sites. Monthly Notices of the Royal Astronomical Society, 507, 3745-3760. https://doi.org/10.1093/mnras/stab1971
27. Ryu, J.-H., Song, H.-J., Sohn, B. J., & Liu, C. (2021). Global distribution of three types of drop size distribution representing heavy rainfall from GPM/DPR measurements. Geophysical Research Letters, 48, e2020GL090871. https://doi.org/10.1029/2020GL090871
26. Lee, H.-R, Song, H.-J., & Sohn, B. J. (2021), Possible mechanisms of long-term trend of June rainfall over the Korean peninsula. Asia-Pacific Journal of Atmospheric Sciences, 57, 51-62. https://doi.org/10.1007/s13143-019-00170-5
25. Roh, S., & Song, H.-J. (2020). Evaluation of neural network emulations for radiation parameterization in cloud resolving model. Geophysical Research Letters, 47, e2020GL089444. https://doi.org/10.1029/2020GL089444
24. Song, H.-J., Kim, S., Roh, S., & Lee, H. (2020). Difference between cloud top height and storm height for heavy rainfall using TRMM measurements. Journal of the Meteorological Society of Japan, 98, 901-904. https://doi.org/10.2151/jmsj.2020-044
23. Dumka, U. C., Nimgombam, S. S., Kaskaoutis, D. G., Madhavan, B. L., Song, H.-J., Angchuk, D., & Jorphail, S. (2020). Long-term (2008-2018) aerosol properties and radiative effect at high-altitude sites over western trans-Himalayas. Science of the Total Environment, 734, 139354. https://doi.org/10.1016/j.scitotenv.2020.139354
22. Song, H.-J., Kim, S., Lee, H., & Kim, K.-H. (2020). Climatology of tropospheric relative humidity over the Korean peninsula from radiosonde and ECMWF reanalysis. Atmosphere, 11, 704. https://doi.org/10.3390/atmos11070704
21. Sohn, B. J., Ryu, G.-H., & Song, H.-J. (2020). Observational characteristics of warm-type heavy rainfall, In: Levizzani V., Kidd C., Kirschbaum D., Kummerow C., Nakamura K., Turk F. (eds) Satellite Precipitation Measurement. Advances in Global Change Research, vol 69. Springer, Cham, https://doi.org/10.1007/978-3-030-35798-6_15
20. Song, H.-J., & Sohn, B. J. (2020). Polarizing rain types linked to June drought in the Korean peninsula over last 20 years. International Journal of Climatology, 40, 2173-2182. https://doi.org/10.1002/joc.6325
19. Ningombam, S. S., Dumka, U. C., Srivastava, A. K., & Song, H.-J. (2020). Optical and physical properties of aerosols during active fire events occurring in the Indo-Gangetic Plains: Implications for aerosol radiative forcing. Atmospheric Environment, 223, 117225. https://doi.org/10.1016/j.atmosenv.2019.117225
18. Ningombam, S. S., Vemareddy, P., & Song, H.-J. (2020). Effect of lower stratospheric temperature on total ozone column (TOC) during the ozone depletion and recovery phases. Atmospheric Research, 232, 104686. https://doi.org/10.1016/j.atmosres.2019.104686
17. Kim, S., Song, H.-J., & Lee, H. (2019). Mesoscale features and forecasting guidance of heavy rain types over the Korean peninsula. Atmosphere-Korea, 29, 463-480. https://doi.org/10.14191/Atmos.2019.29.4.463 (in Korean with English abstract)
16. Song, H.-J., Lim, B., & Joo, S. (2019). Evaluation of rainfall forecast with heavy rain types in the high-resolution Unified Model over South Korea. Weather and Forecasting, 34, 1277-1293. https://doi.org/10.1175/WAF-D-18-0140.1
15. Ningombam, S. S., Vemareddy, P., & Song, H.-J. (2018). The recent sings of total column ozone recovery over mid-latitudes: The effects of the Montreal Protocol mandate. Journal of Atmospheric and Solar-Terrestrial Physics, 178, 32–46. https://doi.org/10.1016/j.jastp.2018.05.011
14. Song, H.-J., & Sohn, B. J. (2018). An evaluation of WRF microphysics schemes for simulating heavy rain structures over the Korea peninsula. Asia-Pacific Journal of Atmospheric Sciences, 54, 225-236. https://doi.org/10.1007/s13143-018-0006-2
13. Yim, B. Y., Yeh, S.-W., Song, H.-J. , Dommenget, D., & Sohn, B. J. (2017). Land-sea thermal contrast determines the trend of Walker circulation simulated in atmospheric general circulation models. Geophysical Research Letters, 44, 5854–5862. https://doi.org/10.1002/2017GL073778
12. Song, H.-J., Sohn, B. J., Hong, S.-Y., & Hashino, T. (2017). Idealized numerical experiments on the microphysical evolution of warm-type heavy rainfall. Journal of Geophysical Research: Atmospheres, 122, 1685–1699. https://doi.org/10.1002/2016JD025637
11. Shi, H., Lee, S.-S., Chun, H.-W., Song, H.-J., Noh, Y.-C., & Sohn, B. J. (2016). Optical properties of aerosols related to haze events over Seoul inferred from skyradiometer and satellite-borne measurements. Atmosphere-Korea, 26, 289–299. https://doi.org/10.14191/Atmos.2016.26.2.289 (in Korean with English abstract)
10. Sohn, B. J., Lee, S., Chung, E.-S., & Song, H.-J. (2016). The role of the dry static stability for the recent change in the Pacific Walker circulation. Journal of Climate, 29, 2795–2779. https://doi.org/10.1175/JCLI-D-15-0374.1
09. Ningombam, S. S., Jade, S., Shrungeshwara, T. S., & Song, H.-J. (2016). Validation of water vapor retrieval from Moderate Resolution Imaging Spectro-radiometer (MODIS) in near infrared channels using GPS data over IAO-Hanle, in the trans-Himalayan region. Journal of Atmospheric and Solar-Terrestrial Physics, 137, 76–85. https://doi.org/10.1016/j.jastp.2015.11.019
08. Ningombam, S. S., Bagare, S. P., Khatri, P., Sohn, B. J., & Song, H.-J. (2015). Estimation of aerosol radiative forcing over an aged-background aerosol feature during advection and non-advection events using a ground-based data obtained from a Prede Skyradiometer observation. Atmospheric Research, 164–165, 76–83. https://doi.org/10.1016/j.atmosres.2015.05.001
07. Song, H.-J., & Sohn, B. J. (2015). Two heavy rainfall types over the Korean peninsula in the humid East Asian summer environment: A satellite observation study. Monthly Weather Review, 143, 363–382. https://doi.org/10.1175/MWR-D-14-00184.1
06. Ningombam, S. S., Bagare, S. P., Srivastava, A. K., Sohn, B. J., Song, H.-J., & Larson, E. (2014). Aerosol radiative forcing over a high-altitude station Merak, in the trans-Himalayan region during advection of anthropogenic events from the Indo-Gangetic Plain. Atmospheric Environment, 98, 253–259. https://doi.org/10.1016/j.atmosenv.2014.08.061
05. Song, H.-J., Sohn, B. J., Chun, H.-W., Chun, Y., & Lee, S.-S. (2014). Improved cloud screening method for the analysis of sky radiometer measurements and application to Asian dust detection. Journal of the Meteorological Society of Japan, 92A, 167–183. https://doi.org/10.2151/jmsj.2014-A11
04. Sohn, B. J., Ryu, G.-H., Song, H.-J., & Ou, M.-L. (2013). Characteristic features of warm-type rain producing heavy rainfall over the Korean peninsula inferred from TRMM measurements. Monthly Weather Review, 141, 3873–3888. https://doi.org/10.1175/MWR-D-13-00075.1
03. Sohn, B. J., Yeh, S.-W., Schmetz, J., & Song, H.-J. (2013). Observational evidences of Walker circulation changes over the last 30 years contrasting with GCM results. Climate Dynamics, 40, 1721–1732. https://doi.org/1007/s00382-012-1484-z
02. Sohn, B. J., Chun, H.-W., Song, H.-J., Noh, Y.-C., Lee, S.-M., Lee, S.-S., & Chun, Y.-S. (2013). Physical explanation of the weakened brightness temperature difference signal over the Yellow Sea during a dust event: case study for March 15-16, 2009. Asia-Pacific Journal of Atmospheric Sciences, 49(1), 41–48. https://doi.org/10.1007/s13143-013-0005-2
01. Jang, H.-S., Song, H.-J., Chun, H.-W., Sohn, B. J., & Takamura, T. (2011). Validation of MODIS-derived aerosol optical thickness using SKYNET measurements over East Asia. Journal of Korean Earth Science Society, 32(1), 21–32. https://doi.org/10.5467/JKESS.2011.32.1.21 (in Korean with English abstract)
Patent
02. 송환진, 노순영 (2022). 복사 물리 모수화 에뮬레이터의 불확실성을 보정하는 복사 물리 모수화 시스템 및 그의 동작 방법. 국립기상과학원, 제10-2388292호
01. 노순영, 송환진 (2021). 초단기 예보 모델의 복사 물리 모수화를 에뮬레이션 하는 시스템 및 방법. 국립기상과학원, 제10-2218179호