Hahn Chul Jung

Hahn Chul Jung

  • LEAD RESEARCH SCIENTIST
  • 301.614.5563
  • NASA/GSFC
  • Mail Code: 617
  • Greenbelt , MD 20771
  • Employer: SCIENCE SYSTEMS AND APPLICATIONS INC
  • Brief Bio

    Hahn Chul Jung, a Chief Research Scientist at SSAI/NASA GSFC, received a Ph.D. in satellite hydrology from Ohio State University in 2011. He then came to NASA’s Goddard Space Flight Center as a NASA Postdoctoral Program (NPP) fellow. His current research focuses on hydrology (e.g. hydrological & hydraulic modeling, wetland, flood, water balance) and remote sensing (e.g. synthetic aperture radar, altimetry, GRACE, image processing).

    Positions/Employment

    7/2016 - Present

    Chief Research Scientist

    SSAI (Science Systems and Applications, Inc.) and NASA GSFC, MD, USA

    (A West Africa LDAS for forecasting extreme hydrological Events, Hydrologic modeling for monitoring water availability)
     

    1/2015 - 6/2016

    Lead Research Scientist

    SSAI (Science Systems and Applications, Inc.) and NASA GSFC, MD, USA

    (Water balance and resource studies using satellite observations,  Land Information System (LIS),  Precipitation analysis associated with hydrological modeling,  SAR (Synthetic Aperture Radar) flood mapping)

    1/2014 - 1/2015

    Research Associate

    University of Maryland and NASA GSFC, MD, USA (CREST hydrological model,  Radar application on ecosystem and hazard)
    1/2011 - 1/2014

    Postdoctoral Fellow

    ORAU (Oak Ridge Associated Universities) and NASA GSFC, MD, USA (2D floodplain hydrodynamic LISFLOOD model,  Interferometric SAR application to wetland)
    6/2005 - 12/2010

    Graduate Research Assistant

    The Ohio State University, OH, USA

    (Associated with Byrd Polar Research Center (BPRC),  L-band repeat-pass interferometric SAR Applications to the Amazon and Congo Wetlands,  Delineation of flood inundation using Landsat and MODIS optical imagery,  Demonstration of sea level rise using SRTM topography,  Development of MATLAB computer programs for SWOT mission orbit design)

    Education

    Ph.D. in Earth Sciences, Ohio State University, Columbus, OH, USA,  Mar. 2011.
    • Dissertation: “Wetland hydrodynamics using interferometric synthetic aperture radar, remote sensing, and modeling”
    M.Sc. in Earth System Sciences, Yonsei University, Seoul, Korea,  Aug. 2003.
    • Thesis: “Observation of the ground subsidence in Gaeun area using permanent scatterer interferometric synthetic aperture radar”
    B.Sc. in Geology, Yonsei University, Seoul, Korea,  Feb. 1998.

    Awards

    NASA Hydrospheric and Biospheric Sciences (HOBI) Annual Award for Scientific/Technical support, 2016.
    NASA Postdoctoral Program (NPP) Fellowship, Oak Ridge Associated Universities (ORAU), 2011-2012.
    Spieker Book Award-Distinguished Senior Ph.D. Student, School of Earth Sciences, Ohio State University, 2010.
    NASA Earth and Space Science Fellowship (NESSF), 2009-2010,
    Korea Science and Engineering Foundation Fellowship (KSEFF), 2005-2007.
     

     

    Publications

    Refereed

    Policelli, F., A. Hubbard, H. Jung, B. Zaitchik, and C. Ichoku. 2018. "Lake Chad Total Surface Water Area as Derived from Land Surface Temperature and Radar Remote Sensing Data." Remote Sensing, 10 (2): [10.3390/rs10020252]

    Kim, D., H. Lee, A. Laraque, et al. R. M. Tshimanga, T. Yuan, H. C. Jung, E. Beighley, and C.-H. Chang. 2017. "Mapping spatio-temporal water level variations over the central Congo River using PALSAR ScanSAR and Envisat altimetry data." International Journal of Remote Sensing, 38 (23): 7021-7040 [10.1080/01431161.2017.1371867]

    Jung, H. C., A. Getirana, F. Policelli, et al. A. McNally, K. R. Arsenault, S. Kumar, T. Tadesse, and C. D. Peters-Lidard. 2017. "Upper Blue Nile Basin Water Budget from a Multi-Model Perspective." Journal of Hydrology, [10.1016/j.jhydrol.2017.10.040]

    Yuan, T., H. Lee, H. C. Jung, et al. A. Aierken, E. Beighley, D. E. Alsdorf, R. M. Tshimanga, and D. Kim. 2017. "Absolute water storages in the Congo River floodplains from integration of InSAR and satellite radar altimetry." Remote Sensing of Environment, 201: 57-72 [10.1016/j.rse.2017.09.003]

    Cao, N., H. Lee, and H. C. Jung. 2016. "A Phase-Decomposition-Based PSInSAR Processing Method." IEEE Transactions on Geoscience and Remote Sensing, 54 (2): 1074-1090 [10.1109/tgrs.2015.2473818]

    Fernández, A., M. R. Najafi, M. Durand, et al. B. G. Mark, M. Moritz, H. C. Jung, J. Neal, A. Shastry, S. Laborde, S. C. Phang, I. M. Hamilton, and N. Xiao. 2016. "Testing the skill of numerical hydraulic modeling to simulate spatiotemporal flooding patterns in the Logone floodplain, Cameroon." Journal of Hydrology, 539: 265-280 [10.1016/j.jhydrol.2016.05.026]

    Laborde, S., A. Fernández, S. C. Phang, et al. I. M. Hamilton, N. Henry, H. C. Jung, A. Mahamat, M. Ahmadou, B. K. Labara, S. Kari, M. Durand, B. Mark, P. Scholte, N. Xiao, R. Ziebe, and M. Moritz. 2016. "Social-ecological feedbacks lead to unsustainable lock-in in an inland fishery." Global Environmental Change, 41: 13-25 [10.1016/j.gloenvcha.2016.08.004]

    Jung, H., and M. F. Jasinski. 2015. "Sensitivity of a Floodplain Hydrodynamic Model to DEM Scale and Accuracy: Case Study – The Atchafalaya Basin." Remote Sensing , 7: 7938-7958 [10.3390/rs70607938]

    Yuan, T., H. Lee, and H. Jung. 2015. "Toward estimating wetland water level changes based on hydrological sensitivity analysis of PALSAR backscattering coefficients over different vegetation fields." Remote Sensing , 7: 3153-3183 [10.3390/rs70303153]

    Lee, H., T. Yuan, H. Jung, and E. Beighley. 2015. "Mapping wetland water depths over the central Congo basin using PALSAR ScanSAR, Envisat altimetry, and MODIS VCF data." Remote Sensing of Environment, 159: 70-79 [doi:10.1016/j.rse.2014.11.030]

    Wilson, M., M. Durand, H. Jung, and D. Alsdorf. 2015. "Swath altimetry measurements of the mainstem Amazon River: measurement errors and hydraulic implications." Hydrol. Earth Syst. Sci., 19: 1943-1959 [10.5194/hess-19-1943-2015]

    Cao, N., H. Lee, and H. Jung. 2015. "Mathematical Framework for Phase-Triangulation Algorithms in Distributed-Scatterer Interferometry." IEEE Geoscience and Remote Sensing Letters, 12: 1838-1842 [10.1109/LGRS.2015.2430752]

    Lee, H., H. Jung, T. Yuan, B. Beighley, and J. Duan. 2014. "Controls of terrestrial water storage changes over the central Congo Basin determined by integrating PALSAR ScanSAR, Envisat altimetry, and GRACE data." in Remote Sensing of the Terrestrial Water Cycle, AGU Geophysical Monograph, 206: Hoboken, NJ: 117-129 [10.1002/9781118872086.ch7]

    Jung, H., M. F. Jasinski, J.-W. Kim, et al. C. K. Shum, P. Bates, J. Neal, H. Lee, and D. Alsdorf. 2012. "Calibration of two-dimensional floodplain modeling in the central Atchafalaya Basin Floodway System using SAR interferometry." Water Resour. Res., 48 (7): W07511 [10.1029/2012WR011951]

    Jung, H., D. Alsdorf, M. Moritz, H. Lee, and S. Vassolo. 2011. "Analysis of the relationship between flooding area and water height in the Logone floodplain." Physics and Chemistry of the Earth, 36: 232-240 [doi:10.1016/j.pce.2011.01.010]

    Lee, H., R. Beighley, D. Alsdorf, et al. H. Jung, C. Shum, J. Duan, J. Guo, D. Yamazaki, and K. Andreadis. 2011. "Characterization of terrestrial water dynamics in the Congo Basin using GRACE and satellite radar altimetry." Remote Sensing of Environment, 115: 3530-3538 [doi:10.1016/j.rse.2011.08.015]

    Jung, H., and D. Alsdorf. 2010. "Repeat-pass multi-temporal interferometric SAR coherence variations with Amazon floodplain and lake habitats." International Journal of Remote Sensing, 4: 881-901 [10.1080/01431160902902609]

    Jung, H., J. Hamski, M. Durand, et al. D. Alsdorf, F. Hossain, H. Lee, A. Hossain, K. Hasan, A. Khan, and A. Hoque. 2010. "Characterization of complex fluvial systems via remote sensing of spatial and temporal water level variations in the Amazon, Congo, and Brahmaputra Rivers." Earth Surface Processes and Landforms, 35: 294-304 [10.1002/esp.1914]

    Lee, H., M. Durand, H. Jung, et al. D. Alsdorf, C. Shum, and Y. Sheng. 2010. "Characterization of surface water storage changes in Arctic lakes using simulated SWOT measurements." International Journal of Remote Sensing, 14: 3931-3953 [10.1080/01431161.2010.483494]

    Jung, H., S. Kim, H. Jung, K. Min, and J. Won. 2007. "Satellite observation of coal mining subsidence by persistent scatterer analysis." Engineering Geology, 92: 1-13 [10.1016/j.enggeo.2007.02.007]

    Jung, H., S. Kim, B. Kim, K. Min, and J. Won. 2004. "Observation of the ground subsidence in the abandoned Gaeun coal mining area using JERS-1 SAR." Journal of Korean Economic and Environmental Geology, 37: 509-519.

    Non-Refereed

    Policelli, F., D. Slayback, R. Brakenridge, et al. J. Nigro, A. Hubbard, B. Zaitchik, M. Carroll, and H. Jung. 2017. "The NASA Global Flood Mapping System." Remote Sensing of Hydrological Extremes 47-63 [DOI 10.1007/978-3-319-43744-6_3]

    Yuan, T., H. Lee, and H. C. Jung. 2016. "Congo Floodplain Hydraulics using PALSAR InSAR and Envisat Altimetry Data." Remote Sensing of Hydrological Extremes 65-81 [10.1007/978-3-319-43744-6_4]

    Vieira Getirana, A. C., A. L. Mcnally, J. Roningen, et al. B. Zaitchik, K. R. Arsenault, H. Jung, and C. D. Peters-Lidard. 2015. "Forecasting Water Availability in Data Sparse and Heavily Managed Catchments in Africa and the Middle East." GEWEX News 27 (4): 8-11.

    Brief Bio

    Hahn Chul Jung, a Chief Research Scientist at SSAI/NASA GSFC, received a Ph.D. in satellite hydrology from Ohio State University in 2011. He then came to NASA’s Goddard Space Flight Center as a NASA Postdoctoral Program (NPP) fellow. His current research focuses on hydrology (e.g. hydrological & hydraulic modeling, wetland, flood, water balance) and remote sensing (e.g. synthetic aperture radar, altimetry, GRACE, image processing).

    Publications

    Refereed

    Policelli, F., A. Hubbard, H. Jung, B. Zaitchik, and C. Ichoku. 2018. "Lake Chad Total Surface Water Area as Derived from Land Surface Temperature and Radar Remote Sensing Data." Remote Sensing 10 (2): [10.3390/rs10020252]

    Kim, D., H. Lee, A. Laraque, et al. R. M. Tshimanga, T. Yuan, H. C. Jung, E. Beighley, and C.-H. Chang. 2017. "Mapping spatio-temporal water level variations over the central Congo River using PALSAR ScanSAR and Envisat altimetry data." International Journal of Remote Sensing 38 (23): 7021-7040 [10.1080/01431161.2017.1371867]

    Jung, H. C., A. Getirana, F. Policelli, et al. A. McNally, K. R. Arsenault, S. Kumar, T. Tadesse, and C. D. Peters-Lidard. 2017. "Upper Blue Nile Basin Water Budget from a Multi-Model Perspective." Journal of Hydrology [10.1016/j.jhydrol.2017.10.040]

    Yuan, T., H. Lee, H. C. Jung, et al. A. Aierken, E. Beighley, D. E. Alsdorf, R. M. Tshimanga, and D. Kim. 2017. "Absolute water storages in the Congo River floodplains from integration of InSAR and satellite radar altimetry." Remote Sensing of Environment 201 57-72 [10.1016/j.rse.2017.09.003]

    Cao, N., H. Lee, and H. C. Jung. 2016. "A Phase-Decomposition-Based PSInSAR Processing Method." IEEE Transactions on Geoscience and Remote Sensing 54 (2): 1074-1090 [10.1109/tgrs.2015.2473818]

    Fernández, A., M. R. Najafi, M. Durand, et al. B. G. Mark, M. Moritz, H. C. Jung, J. Neal, A. Shastry, S. Laborde, S. C. Phang, I. M. Hamilton, and N. Xiao. 2016. "Testing the skill of numerical hydraulic modeling to simulate spatiotemporal flooding patterns in the Logone floodplain, Cameroon." Journal of Hydrology 539 265-280 [10.1016/j.jhydrol.2016.05.026]

    Laborde, S., A. Fernández, S. C. Phang, et al. I. M. Hamilton, N. Henry, H. C. Jung, A. Mahamat, M. Ahmadou, B. K. Labara, S. Kari, M. Durand, B. Mark, P. Scholte, N. Xiao, R. Ziebe, and M. Moritz. 2016. "Social-ecological feedbacks lead to unsustainable lock-in in an inland fishery." Global Environmental Change 41 13-25 [10.1016/j.gloenvcha.2016.08.004]

    Jung, H., and M. F. Jasinski. 2015. "Sensitivity of a Floodplain Hydrodynamic Model to DEM Scale and Accuracy: Case Study – The Atchafalaya Basin." Remote Sensing 7 7938-7958 [10.3390/rs70607938]

    Yuan, T., H. Lee, and H. Jung. 2015. "Toward estimating wetland water level changes based on hydrological sensitivity analysis of PALSAR backscattering coefficients over different vegetation fields." Remote Sensing 7 3153-3183 [10.3390/rs70303153]

    Lee, H., T. Yuan, H. Jung, and E. Beighley. 2015. "Mapping wetland water depths over the central Congo basin using PALSAR ScanSAR, Envisat altimetry, and MODIS VCF data." Remote Sensing of Environment 159 70-79 [doi:10.1016/j.rse.2014.11.030]

    Wilson, M., M. Durand, H. Jung, and D. Alsdorf. 2015. "Swath altimetry measurements of the mainstem Amazon River: measurement errors and hydraulic implications." Hydrol. Earth Syst. Sci. 19 1943-1959 [10.5194/hess-19-1943-2015]

    Cao, N., H. Lee, and H. Jung. 2015. "Mathematical Framework for Phase-Triangulation Algorithms in Distributed-Scatterer Interferometry." IEEE Geoscience and Remote Sensing Letters 12 1838-1842 [10.1109/LGRS.2015.2430752]

    Lee, H., H. Jung, T. Yuan, B. Beighley, and J. Duan. 2014. "Controls of terrestrial water storage changes over the central Congo Basin determined by integrating PALSAR ScanSAR, Envisat altimetry, and GRACE data." in Remote Sensing of the Terrestrial Water Cycle, AGU Geophysical Monograph 206 117-129 [10.1002/9781118872086.ch7]

    Jung, H., M. F. Jasinski, J.-W. Kim, et al. C. K. Shum, P. Bates, J. Neal, H. Lee, and D. Alsdorf. 2012. "Calibration of two-dimensional floodplain modeling in the central Atchafalaya Basin Floodway System using SAR interferometry." Water Resour. Res. 48 (7): W07511 [10.1029/2012WR011951]

    Jung, H., D. Alsdorf, M. Moritz, H. Lee, and S. Vassolo. 2011. "Analysis of the relationship between flooding area and water height in the Logone floodplain." Physics and Chemistry of the Earth 36 232-240 [doi:10.1016/j.pce.2011.01.010]

    Lee, H., R. Beighley, D. Alsdorf, et al. H. Jung, C. Shum, J. Duan, J. Guo, D. Yamazaki, and K. Andreadis. 2011. "Characterization of terrestrial water dynamics in the Congo Basin using GRACE and satellite radar altimetry." Remote Sensing of Environment 115 3530-3538 [doi:10.1016/j.rse.2011.08.015]

    Jung, H., and D. Alsdorf. 2010. "Repeat-pass multi-temporal interferometric SAR coherence variations with Amazon floodplain and lake habitats." International Journal of Remote Sensing 4 881-901 [10.1080/01431160902902609]

    Jung, H., J. Hamski, M. Durand, et al. D. Alsdorf, F. Hossain, H. Lee, A. Hossain, K. Hasan, A. Khan, and A. Hoque. 2010. "Characterization of complex fluvial systems via remote sensing of spatial and temporal water level variations in the Amazon, Congo, and Brahmaputra Rivers." Earth Surface Processes and Landforms 35 294-304 [10.1002/esp.1914]

    Lee, H., M. Durand, H. Jung, et al. D. Alsdorf, C. Shum, and Y. Sheng. 2010. "Characterization of surface water storage changes in Arctic lakes using simulated SWOT measurements." International Journal of Remote Sensing 14 3931-3953 [10.1080/01431161.2010.483494]

    Jung, H., S. Kim, H. Jung, K. Min, and J. Won. 2007. "Satellite observation of coal mining subsidence by persistent scatterer analysis." Engineering Geology 92 1-13 [10.1016/j.enggeo.2007.02.007]

    Jung, H., S. Kim, B. Kim, K. Min, and J. Won. 2004. "Observation of the ground subsidence in the abandoned Gaeun coal mining area using JERS-1 SAR." Journal of Korean Economic and Environmental Geology 37 509-519

    Non-Refereed

    Policelli, F., D. Slayback, R. Brakenridge, et al. J. Nigro, A. Hubbard, B. Zaitchik, M. Carroll, and H. Jung. 2017. "The NASA Global Flood Mapping System." Remote Sensing of Hydrological Extremes 47-63 [DOI 10.1007/978-3-319-43744-6_3]

    Yuan, T., H. Lee, and H. C. Jung. 2016. "Congo Floodplain Hydraulics using PALSAR InSAR and Envisat Altimetry Data." Remote Sensing of Hydrological Extremes 65-81 [10.1007/978-3-319-43744-6_4]

    Vieira Getirana, A. C., A. L. Mcnally, J. Roningen, et al. B. Zaitchik, K. R. Arsenault, H. Jung, and C. D. Peters-Lidard. 2015. "Forecasting Water Availability in Data Sparse and Heavily Managed Catchments in Africa and the Middle East." GEWEX News 27 (4): 8-11

                                                                                                                                                                                            
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