Dr. Gang Kai Poh

Dr. Gang Kai Poh

  • Assistant Research Scientist
  • 301.286.0445
  • NASA/GSFC
  • Mail Code: 695
  • Greenbelt , MD 20771
  • Employer: CATHOLIC UNIV OF AMERICA
  • Education

    • Ph.D. in Atmospheric, Oceanic and Space Sciences, University of Michigan, 2017
    • Graduate Certificate in Plasma Science and Engineering, University of Michigan, 2017
    • MSc. Atmospheric, Oceanic and Space Sciences, University of Michigan, 2014
    • B.A. Physics and Astronomy, Astrophysics/Physics Track, University of Colorado, 2012

    Positions/Employment

    2021 - Present

    Assistant Research Scientist

    The Catholic University of America - NASA Goddard Space Flight Center, NASA Goddard Space Flight Center
    2019 - 2021

    Postdoctoral Research Associate

    CRESSTII, The Catholic University of America, NASA Goddard Space Flight Center
    2018 - 2019

    Postdoctoral Research Associate

    CRESSTII, University of Maryland Baltimore County, NASA Goddard Space Flight Center
    2017 - 2018

    Postdoctoral Research Fellow

    University of Michigan, Ann Arbor, Michigan
    2012 - 2017

    Graduate Research Assistant

    University of Michigan, Ann Arbor, Michigan
    2011 - 2012

    Undergraduate Research Assistant

    Laboratory for Atmospheric and Space Physics, University of Colorado, Boulder, Colorado

    Teaching Experience

    Undergraduate Projects Directed:

    • Anindita Mukherjee, NASA MMS Mission: Initial Observations, 09/2015 – 04/2016, Undergraduate Research Opportunity Program.
    • Kellyn Clink, Analyzing NASA MESSENGER Data to Understand Space Plasma Phenomenon, 10/2017 – 05/2019, Undergraduate Research Opportunity Program.
    • Helen Sagges, Analyzing NASA Magnetospheric Multi-Scale Mission Data to Understand Space Plasma Phenomenon at Earth, 10/2017 – 05/2019, Undergraduate Research Opportunity Program.
    • Kellyn Clink, MMS Observations of Current Sheet Flapping at Earth's Plasma Sheet, 05/2019 - 06/2021.
    • Ana Peruza, Analysis of MESSENGER's Solar Wind Data and Comparison with BATS-R-US Model Results, George Mason University, 06/2021 - current
    • Rachel Glait, Analysis of GDC spacecraft orbit, Analysis of Mercury's foreshock region, University of Michigan, 01/2021 - 12/2021
    • Margaret McCaffrey, Analysis of Cluster Data to Investigate Earth's Cusp Dynamic, Catholic University of America, 02/2022 - present
    • Ze-Wen Koh, Investigation of Kelvin-Helmholtz Vortices at Mars using Statistical and Machine Learning Approach, 06/2022 - present
    • Rayta Pradata, Analysis of MESSENGER's Solar Wind Data and Comparison with BATS-R-US Model Results, Bard College at Simon's Rock, 06/2022 - current


    Courses:

    • Grader, AOSS 595: Magnetospheres, University of Michigan, Winter 2015
    • Lecturer, ASWR 402/602: Space Weather System II, Catholic University of America, Fall 2021 - present
    • Lecturer, ASWR 401/601: Space Weather System I, Catholic University of America, Spring 2022 - present


    Certifications:

    • Postdoctoral Short Course on College Teaching, University of Michigan, Center for Research on Learning and Teaching (CRLT)
    • College Reading and Learning Association (CRLA) Certified Tutor

    Professional Societies

    American Geophysical Union , 2012 - Present
    Member
    European Geophysical Union, 2014 - Present
    Member
    Asia Oceania Geoscience Society, 2014 - Present
    Member

    Professional Service

    Mercury Exploration Assessment Group (MExAG) Steering Committee

    • Role: Early Career Steering Committee Member

    Awards

    Michigan Institute for Plasma Science and Engineering (MIPSE) Fellowship, 2014 - 2015

    Grants

    06/15/2018 Discovery Data Analysis Program, NASA

    Magnetopause Reconnection at Mercury

    ; Co-Investigator
    10/01/2018 MMS Guest Investigator Program, NASA

    MMS GI Investigation of Magnetic Flux Rope Formation and Evolution in the Cross-tail Current Sheet

    ; Co-Investigator
    09/01/2020 MMS Early Career Grant, NASA

     MMS Investigation of Ultra-Low Frequency Waves in the Earth’s Upstream Ion Foreshock Region

    ; Principal Investigator
    07/13/2021 Heliophysics Supporting Research , NASA

    Dynamics and statistical properties of Eart's magnetopause X-lines and flux transfer events

    ; Co-Investigator
    04/01/2021 Discovery Data Analysis Program, NASA

    Investigation of Upstream ULF waves in Mercury’s Foreshock

    Selected Publications

    Refereed

    Poh, G., J. R. Espley, K. Nykyri, et al. C. M. Fowler, X. Ma, S. Xu, G. Hanley, N. Romanelli, C. Bowers, J. Gruesbeck, and G. A. DiBraccio. 2021. "On the Growth and Development of Non‐Linear Kelvin–Helmholtz Instability at Mars: MAVEN Observations." Journal of Geophysical Research: Space Physics, 126 (9): [10.1029/2021ja029224]

    Poh, G., W. Sun, K. M. Clink, et al. J. A. Slavin, R. M. Dewey, X. Jia, J. M. Raines, G. A. DiBraccio, and J. R. Espley. 2020. "Large‐Amplitude Oscillatory Motion of Mercury's Cross‐Tail Current Sheet." Journal of Geophysical Research: Space Physics, 125 (7): [10.1029/2020ja027783]

    Poh, G., J. A. Slavin, S. Lu, et al. G. Le, D. S. Ozturk, W. Sun, S. Zou, J. P. Eastwood, R. Nakamura, W. Baumjohann, C. T. Russell, D. J. Gershman, B. L. Giles, C. J. Pollock, T. E. Moore, R. B. Torbert, and J. L. Burch. 2019. "Dissipation of Earthward Propagating Flux Rope Through Re‐reconnection with Geomagnetic Field: An MMS Case Study." Journal of Geophysical Research: Space Physics, 2018JA026451 [10.1029/2018ja026451]

    Poh, G., J. A. Slavin, X. Jia, et al. W. Sun, J. M. Raines, S. M. Imber, G. A. DiBraccio, and D. J. Gershman. 2018. "Transport of Mass and Energy in Mercury's Plasma Sheet." Geophysical Research Letters, 45 (22): 12,163-12,170 [10.1029/2018gl080601]

    Poh, G., J. A. Slavin, X. Jia, et al. J. M. Raines, S. M. Imber, W.-J. Sun, D. J. Gershman, G. A. DiBraccio, K. J. Genestreti, and A. W. Smith. 2017. "Coupling between Mercury and its nightside magnetosphere: Cross-tail current sheet asymmetry and substorm current wedge formation." Journal of Geophysical Research: Space Physics, 122 (8): 8419-8433 [10.1002/2017ja024266]

    Poh, G., J. A. Slavin, X. Jia, et al. J. M. Raines, S. M. Imber, W.-J. Sun, D. J. Gershman, G. A. DiBraccio, K. J. Genestreti, and A. W. Smith. 2017. "Mercury's cross-tail current sheet: Structure, X-line location and stress balance." Geophysical Research Letters, 44 (2): 678-686 [10.1002/2016gl071612]

    Poh, G., J. A. Slavin, X. Jia, et al. G. A. DiBraccio, J. M. Raines, S. M. Imber, D. J. Gershman, W.-J. Sun, B. J. Anderson, H. Korth, T. H. Zurbuchen, R. L. McNutt, and S. C. Solomon. 2016. "MESSENGER Observations of Cusp Plasma Filaments at Mercury." Journal of Geophysical Research: Space Physics, 121 (9): 8260–8285 [10.1002/2016ja022552]

    Arridge, C. S., J. P. Eastwood, C. M. Jackman, et al. G.-K. Poh, J. A. Slavin, M. F. Thomsen, N. André, X. Jia, A. Kidder, L. Lamy, A. Radioti, D. Reisenfeld, N. Sergis, M. Volwerk, A. P. Walsh, P. Zarka, A. Coates, and M. K. Dougherty. 2015. "Cassini in situ observations of long-duration magnetic reconnection in Saturn’s magnetotail." Nature Physics, 12 (3): 268-271 [10.1038/nphys3565]

    Slavin, J. A., G. A. DiBraccio, D. J. Gershman, et al. S. M. Imber, G. K. Poh, J. M. Raines, T. H. Zurbuchen, X. Jia, D. N. Baker, K.-H. Glassmeier, S. A. Livi, S. A. Boardsen, T. A. Cassidy, M. Sarantos, T. Sundberg, A. Masters, C. L. Johnson, R. M. Winslow, B. J. Anderson, H. Korth, R. L. McNutt, and S. C. Solomon. 2014. "MESSENGER observations of Mercury's dayside magnetosphere under extreme solar wind conditions." Journal of Geophysical Research: Space Physics, 119 (10): 8087-8116 [10.1002/2014ja020319]

    Baker, D. N., G. Poh, D. Odstrcil, et al. C. N. Arge, M. Benna, C. L. Johnson, H. Korth, D. J. Gershman, G. C. Ho, W. E. McClintock, T. A. Cassidy, A. Merkel, J. M. Raines, D. Schriver, J. A. Slavin, S. C. Solomon, P. M. Trávníček, R. M. Winslow, and T. H. Zurbuchen. 2013. "Solar wind forcing at Mercury: WSA-ENLIL model results." Journal of Geophysical Research: Space Physics, 118 (1): 45-57 [10.1029/2012ja018064]

    Selected Publications

    Refereed

    Poh, G., J. R. Espley, K. Nykyri, et al. C. M. Fowler, X. Ma, S. Xu, G. Hanley, N. Romanelli, C. Bowers, J. Gruesbeck, and G. A. DiBraccio. 2021. "On the Growth and Development of Non‐Linear Kelvin–Helmholtz Instability at Mars: MAVEN Observations." Journal of Geophysical Research: Space Physics 126 (9): [10.1029/2021ja029224]

    Poh, G., W. Sun, K. M. Clink, et al. J. A. Slavin, R. M. Dewey, X. Jia, J. M. Raines, G. A. DiBraccio, and J. R. Espley. 2020. "Large‐Amplitude Oscillatory Motion of Mercury's Cross‐Tail Current Sheet." Journal of Geophysical Research: Space Physics 125 (7): [10.1029/2020ja027783]

    Poh, G., J. A. Slavin, S. Lu, et al. G. Le, D. S. Ozturk, W. Sun, S. Zou, J. P. Eastwood, R. Nakamura, W. Baumjohann, C. T. Russell, D. J. Gershman, B. L. Giles, C. J. Pollock, T. E. Moore, R. B. Torbert, and J. L. Burch. 2019. "Dissipation of Earthward Propagating Flux Rope Through Re‐reconnection with Geomagnetic Field: An MMS Case Study." Journal of Geophysical Research: Space Physics 2018JA026451 [10.1029/2018ja026451]

    Poh, G., J. A. Slavin, X. Jia, et al. W. Sun, J. M. Raines, S. M. Imber, G. A. DiBraccio, and D. J. Gershman. 2018. "Transport of Mass and Energy in Mercury's Plasma Sheet." Geophysical Research Letters 45 (22): 12,163-12,170 [10.1029/2018gl080601]

    Poh, G., J. A. Slavin, X. Jia, et al. J. M. Raines, S. M. Imber, W.-J. Sun, D. J. Gershman, G. A. DiBraccio, K. J. Genestreti, and A. W. Smith. 2017. "Coupling between Mercury and its nightside magnetosphere: Cross-tail current sheet asymmetry and substorm current wedge formation." Journal of Geophysical Research: Space Physics 122 (8): 8419-8433 [10.1002/2017ja024266]

    Poh, G., J. A. Slavin, X. Jia, et al. J. M. Raines, S. M. Imber, W.-J. Sun, D. J. Gershman, G. A. DiBraccio, K. J. Genestreti, and A. W. Smith. 2017. "Mercury's cross-tail current sheet: Structure, X-line location and stress balance." Geophysical Research Letters 44 (2): 678-686 [10.1002/2016gl071612]

    Poh, G., J. A. Slavin, X. Jia, et al. G. A. DiBraccio, J. M. Raines, S. M. Imber, D. J. Gershman, W.-J. Sun, B. J. Anderson, H. Korth, T. H. Zurbuchen, R. L. McNutt, and S. C. Solomon. 2016. "MESSENGER Observations of Cusp Plasma Filaments at Mercury." Journal of Geophysical Research: Space Physics 121 (9): 8260–8285 [10.1002/2016ja022552]

    Arridge, C. S., J. P. Eastwood, C. M. Jackman, et al. G.-K. Poh, J. A. Slavin, M. F. Thomsen, N. André, X. Jia, A. Kidder, L. Lamy, A. Radioti, D. Reisenfeld, N. Sergis, M. Volwerk, A. P. Walsh, P. Zarka, A. Coates, and M. K. Dougherty. 2015. "Cassini in situ observations of long-duration magnetic reconnection in Saturn’s magnetotail." Nature Physics 12 (3): 268-271 [10.1038/nphys3565]

    Slavin, J. A., G. A. DiBraccio, D. J. Gershman, et al. S. M. Imber, G. K. Poh, J. M. Raines, T. H. Zurbuchen, X. Jia, D. N. Baker, K.-H. Glassmeier, S. A. Livi, S. A. Boardsen, T. A. Cassidy, M. Sarantos, T. Sundberg, A. Masters, C. L. Johnson, R. M. Winslow, B. J. Anderson, H. Korth, R. L. McNutt, and S. C. Solomon. 2014. "MESSENGER observations of Mercury's dayside magnetosphere under extreme solar wind conditions." Journal of Geophysical Research: Space Physics 119 (10): 8087-8116 [10.1002/2014ja020319]

    Baker, D. N., G. Poh, D. Odstrcil, et al. C. N. Arge, M. Benna, C. L. Johnson, H. Korth, D. J. Gershman, G. C. Ho, W. E. McClintock, T. A. Cassidy, A. Merkel, J. M. Raines, D. Schriver, J. A. Slavin, S. C. Solomon, P. M. Trávníček, R. M. Winslow, and T. H. Zurbuchen. 2013. "Solar wind forcing at Mercury: WSA-ENLIL model results." Journal of Geophysical Research: Space Physics 118 (1): 45-57 [10.1029/2012ja018064]

                                                                                                                                                                                            
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