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Atmospheric Science & Global Change

Staff information

Po-Lun Ma

Po-Lun Ma

Earth Systems Analysis & Modeling
Scientist
Pacific Northwest National Laboratory
PO Box 999
MSIN: K9-30
Richland, WA 99352

Research Interests

  • Aerosol-cloud-climate interactions
  • Uncertainty quantification of model parameters
  • Resolution dependence of model physics
  • Climate model evaluation

Education and Credentials

  • Ph.D., Earth and Planetary Sciences, Johns Hopkins University, Baltimore, MD, 2010
  • M.S.E.L., cum laude, Vermont Law School, South Royalton, VT, 2002
  • M.S., Atmospheric Sciences, National Taiwan University, Taipei, Taiwan, 2002
  • B.S., Atmospheric Sciences, National Taiwan University, Taipei, Taiwan, 1999

Affiliations and Professional Service

  • Member, American Geophysical Union
  • Member, American Meteorological Society
  • Aerosol Liaison, CESM Chemistry-Climate Working Group

Awards and Recognitions

  • Outstanding Performance Award, PNNL, 2014
  • Goddard Summer Internship, JCET/UMBC, 2006
  • Fellowship, Johns Hopkins University, 2005
  • Certification for System Operation, Global Imaging Inc., 2003
  • Dean's Award, National Taiwan University, 2001

PNNL Publications

2015

  • Gustafson WI, Jr, PL Ma, and B Singh. 2015. "Precipitation characteristics of CAM5 physics at mesoscale resolution during MC3E and the impact of convective timescale choice." Journal of Advances in Modeling Earth Systems 6(4):1271-1287.  doi:10.1002/2014ms000334
  • Ma PL, PJ Rasch, M Wang, H Wang, SJ Ghan, RC Easter, Jr, WI Gustafson, Jr, X Liu, Y Zhang, and HY Ma. 2015. "How Does Increasing Horizontal Resolution in a Global Climate Model Improve the Simulation of Aerosol-Cloud Interactions?" Geophysical Research Letters 42(12):5058-5065.  doi:10.1002/2015GL064183
  • McCoy D, SM Burrows, R Wood, DP Grosvenor, S Elliott, PL Ma, PJ Rasch, and DL Hartmann. 2015. "Natural Aerosols Explain Seasonal and Spatial Patterns of Southern Ocean Cloud Albedo." American Journal of Science 1(6):Art. No. e1500157.  doi:10.1126/sciadv.1500157
  • Shrivastava MKB, RC Easter, Jr, X Liu, A Zelenyuk, B Singh, K Zhang, PL Ma, D Chand, SJ Ghan, JL Jiminez, Q Zhang, JD Fast, PJ Rasch, and P Tiitta. 2015. "Global transformation and fate of SOA: Implications of Low Volatility SOA and Gas-Phase Fragmentation Reactions ." Journal of Geophysical Research. D. (Atmospheres) 120(9):4169-4195.  doi:10.1002/2014JD022563
  • Tilmes S, JF Lamarque, L Emmons, DE Kinnison, PL Ma, X Liu, SJ Ghan, C Bardeen, S Arnold, M Deeter, F Vitt, TB Ryerson, JW Elkins, F Moore, R Spackman, and MV Martin. 2015. "Description and Evaluation of Tropospheric Chemistry and Aerosols in the Community Earth System Model (CESM1.2)." Geoscientific Model Development 8(5):1395-1426.  doi:10.5194/gmd-8-1395-2015
  • Zhang R, H Wang, Y Qian, PJ Rasch, RC Easter, Jr, PL Ma, B Singh, J Huang, and Q Fu. 2015. "Quantifying sources, transport, deposition, and radiative forcing of black carbon over the Himalayas and Tibetan Plateau." Atmospheric Chemistry and Physics 15(11):6205-6223.  doi:10.5194/acp-15-6205-2015

2014

  • Lim KS, J Fan, LYR Leung, PL Ma, B Singh, C Zhao, Y Zhang, G Zhang, and X Song. 2014. "Investigation of Aerosol Indirect Effects using a Cumulus Microphysics Parameterization in a Regional Climate Model." Journal of Geophysical Research. D. (Atmospheres) 119(2):906-926.  doi:10.1002/2013JD020958
  • Vinoj V, PJ Rasch, H Wang, JH Yoon, PL Ma, K Landu, and B Singh. 2014. "Short-term modulation of Indian summer monsoon rainfall by West Asian dust." Nature Geoscience 7 :308-313.  doi:10.1038/NGEO2107
  • Ma PL, PJ Rasch, JD Fast, RC Easter, Jr, WI Gustafson, Jr, X Liu, SJ Ghan, and B Singh. 2014. "Assessing the CAM5 Physics Suite in the WRF-Chem Model: Implementation, Resolution Sensitivity, and a First Evaluation for a Regional Case Study." Geoscientific Model Development 7(3):755-778.  doi:10.5194/gmd-7-755-2014
  • Wang H, PJ Rasch, RC Easter, Jr, B Singh, R Zhang, PL Ma, Y Qian, SJ Ghan, and N Beagley. 2014. "Using an Explicit Emission Tagging Method in Global Modeling of Source-Receptor Relationships for Black Carbon in the Arctic: Variations, Sources and Transport Pathways." Journal of Geophysical Research. D. (Atmospheres) 119(12):12,888-12,909.  doi:10.1002/2014JD022297
  • Zhang K, H Wan, X Liu, SJ Ghan, GJ Kooperman, PL Ma, PJ Rasch, D Neubauer, and U Lohmann. 2014. "Technical Note: On the Use of Nudging for Aerosol-Climate Model Intercomparison Studies." Atmospheric Chemistry and Physics 14(16):8631-8645.  doi:10.5194/acp-14-8631-2014

2013

  • Gustafson WI, Jr, PL Ma, H Xiao, B Singh, PJ Rasch, and JD Fast. 2013. "The Separate Physics and Dynamics Experiment (SPADE) framework for determining resolution awareness: A case study of microphysics." Journal of Geophysical Research. D. (Atmospheres) 118(16):9258-9276.  doi:10.1002/jgrd.50711
  • Ma PL, JR Gattiker, X Liu, and PJ Rasch. 2013. "A Novel Approach for Determining Source-Receptor Relationships in Model Simulations: A Case Study of Black Carbon Transport in Northern Hemisphere Winter." Environmental Research Letters 8(2):Article No. 02042.  doi:10.1088/1748-9326/8/2/024042
  • Ma PL, PJ Rasch, H Wang, K Zhang, RC Easter, Jr, S Tilmes, JD Fast, X Liu, JH Yoon, and JF Lamarque. 2013. "The Role of Circulation Features on Black Carbon Transport into the Arctic in the Community Atmosphere Model Version 5 (CAM5)." Journal of Geophysical Research. D. (Atmospheres) 118(10):4657-4669.  doi:10.1002/jgrd.50411
  • Wang H, RC Easter, Jr, PJ Rasch, M Wang, X Liu, SJ Ghan, Y Qian, JH Yoon, PL Ma, and V Vinoj. 2013. "Sensitivity of Remote Aerosol Distributions to Representation of Cloud-Aerosol Interactions in a Global Climate Model." Geoscientific Model Development 6(3):765-782.  doi:10.5194/gmd-6-765-2013
  • Zhao C, X Liu, Y Qian, JH Yoon, Z Hou, G Lin, SA McFarlane, H Wang, B Yang, PL Ma, H Yan, and J Bao. 2013. "A Sensitivity Study of Radiative Fluxes at the Top of Atmosphere to Cloud-Microphysics and Aerosol Parameters in the Community Atmosphere Model CAM5." Atmospheric Chemistry and Physics 13:10969-10987.  doi:10.5194/acp-13-10969-2013

2012

  • Yoon JH, and PL Ma. 2012. "Ocean General Circulation Models." In Encyclopedia of Sustainability Science and Technology, ed. RA Meyers, pp. 7365-7381.  Springer, New York, NY. 
  • Ma PL, K Zhang, JJ Shi, T Matsui, and A Arking. 2012. "Direct Radiative Effect of Mineral Dust on the Development of African Easterly Waves in Late Summer, 2003-07." Journal of Applied Meteorology and Climatology 51(12):2090-2104.  doi:10.1175/JAMC-D-11-0215.1

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