Si-Chee Tsay 1, Hal B. Maring2, Neng-Huei Lin 3,5, Sumaman Buntoung4, Somporn Chantara5, Hsiao-Chi Chuang6, Philip M. Gabriel7, Colby S. Goodloe1, Brent N. Holben1, Ta-Chih Hsiao3, N. Christina Hsu1, Serm Janjai4, William K.M. Lau8, Chung-Te Lee3, Jaehwa Lee1,8, Adrian M. Loftus1,8, Anh X. Nguyen9, Cuong M. Nguyen10, Shantanu K. Pani3, Peter Pantina1,11, Andrew M. Sayer1,12, Wei-Kuo Tao1, Sheng-Hsiang Wang3, Ellsworth J. Welton1, Wan Wiriya5, Ming-Cheng Yen3

  • 1 NASA Goddard Space Flight Center, Greenbelt, Maryland, USA
  • 2 NASA Headquarters, Washington, DC, USA
  • 3 National Central University, Chung-Li, Taiwan
  • 4 Faculty of Science, Silpakorn University, Nakhon Pathom, Thailand
  • 5 Faculty of Science, Chiang Mai University, Chiang Mai, Thailand
  • 6 School of Respiratory Therapy, Taipei Medical University, Taipei, Taiwan
  • 7 General Analytics, LLC, Fort Collins, Colorado, USA
  • 8 ESSIC, University of Maryland, College Park, Maryland, USA
  • 9 Vietnam Academy of Science and Technology, Hanoi, Vietnam
  • 10 National Research Council of Canada, Ottawa, Canada
  • 11 Science Systems and Applications, Inc., Lanham, Maryland, USA
  • 12 GESTAR/USRA, Columbia, Maryland, USA

Received: August 9, 2016
Revised: October 21, 2016
Accepted: October 25, 2016
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Cite this article:
Tsay, S.C., Maring, H.B., Lin, N.H., Buntoung, S., Chantara, S., Chuang, H.C., Gabriel, P.M., Goodloe, C.S., Holben, B.N., Hsiao, T.C., Hsu, N.C., Janjai, S., Lau, W.K., Lee, C.T., Lee, J., Loftus, A.M., Nguyen, A.X., Nguyen, C.M., Pani, S.K., Pantina, P., Sayer, A.M., Tao, W.K., Wang, S.H., Welton, E.J., Wiriya, W. and Yen, M.C. (2016). Satellite-Surface Perspectives of Air Quality and Aerosol-Cloud Effects on the Environment: An Overview of 7-SEAS/BASELInE. Aerosol Air Qual. Res. 16: 2581-2602.


  • A satellite-surface perspective of 7-SEAS/BASELInE in spring 2013–2015 is portrayed.
  • Major findings of all papers published in this special issue have been summarized.
  • Future BASELInE-like measurement/modeling efforts have been outlined.



The objectives of 7-SEAS/BASELInE (Seven SouthEast Asian Studies/Biomass-burning Aerosols & Stratocumulus Environment: Lifecycles & Interactions Experiment) campaigns in spring 2013–2015 were to synergize measurements from uniquely distributed ground-based networks (e.g., AERONET, MPLNET) and sophisticated platforms (e.g., SMARTLabs, regional contributing instruments), along with satellite observations/retrievals and regional atmospheric transport/chemical models to establish a critically needed database, and to advance our understanding of biomass-burning aerosols and trace gases in Southeast Asia (SEA). We present a satellite-surface perspective of 7-SEAS/BASELInE and highlight scientific findings concerning: (1) regional meteorology of moisture fields conducive to the production and maintenance of low-level stratiform clouds over land, (2) atmospheric composition in a biomass-burning environment, particularly tracers/markers to serve as important indicators for assessing the state and evolution of atmospheric constituents, (3) applications of remote sensing to air quality and impact on radiative energetics, examining the effect of diurnal variability of boundary-layer height on aerosol loading, (4) aerosol hygroscopicity and ground-based cloud radar measurements in aerosol-cloud processes by advanced cloud ensemble models, and (5) implications of air quality, in terms of toxicity of nanoparticles and trace gases, to human health. This volume is the third 7-SEAS special issue (after Atmospheric Research, vol. 122, 2013; and Atmospheric Environment, vol. 78, 2013) and includes 27 papers published, with emphasis on air quality and aerosol-cloud effects on the environment. BASELInE observations of stratiform clouds over SEA are unique, such clouds are embedded in a heavy aerosol-laden environment and feature characteristically greater stability over land than over ocean, with minimal radar surface clutter at a high vertical spatial resolution. To facilitate an improved understanding of regional aerosol-cloud effects, we envision that future BASELInE-like measurement/modeling needs fall into two categories: (1) efficient yet critical in-situ profiling of the boundary layer for validating remote-sensing/retrievals and for initializing regional transport/chemical and cloud ensemble models, and (2) fully utilizing the high observing frequencies of geostationary satellites for resolving the diurnal cycle of the boundary-layer height as it affects the loading of biomass-burning aerosols, air quality and radiative energetics.

Keywords: 7-SEAS; BASELInE; Biomass-burning; Air Quality; Aerosol; Cloud

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