From BASE-ASIA towards 7-SEAS: A satellite-surface perspective of boreal spring biomass-burning aerosols and clouds in Southeast Asia

From BASE-ASIA towards 7-SEAS: A satellite-surface perspective of boreal spring biomass-burning aerosols and clouds in Southeast Asia
Si-Chee TsayN. Christina HsuWilliam K.-M. LauCan LiPhilip M. GabrielQiang JiBrent N. HolbenE. Judd WeltonAnh X. NguyenSerm JanjaiNeng-Huei LinJeffrey S. ReidJariya BoonjawatSteven G. HowellBarry J. HuebertJoshua S. FuRichard A. HansellAndrew M. SayerRitesh GautamSheng-Hsiang WangColby S. GoodloeLaddawan R. MikoPeter K. ShuAdrian M. LoftusJingfeng Huang김진영Myeong-Jae JeongPeter Pantina
Biomass-burning; Aerosol; Cloud; Southeast Asia; BASE-ASIA; 7-SEAS
Issue Date
Atmospheric environment
VOL 78, 20-34
In this paper, we present recent field studies conducted by NASA's SMART-COMMIT (and ACHIEVE, to be operated in 2013) mobile laboratories, jointly with distributed ground-based networks (e.g., AERONET, and MPLNET, and other contributing instruments over northern Southeast Asia. These three mobile laboratories, collectively called SMARTLabs (cf., Surface-based Mobile Atmospheric Research & Testbed Laboratories) comprise a suite of surface remote sensing and in-situ instruments that are pivotal in providing high spectral and temporal measurements, complementing the collocated spatial observations from various Earth Observing System (EOS) satellites. A satellite-surface perspective and scientific findings, drawn from the BASE-ASIA (2006) field deployment as well as a series of ongoing 7-SEAS (2010–13) field activities over northern Southeast Asia are summarized, concerning (i) regional properties of aerosols from satellite and in-situ measurements, (ii) cloud properties from remote sensing and surface observations, (iii) vertical distribution of aerosols and clouds, and (iv) regional aerosol radiative effects and impact assessment. The aerosol burden over Southeast Asia in boreal spring, attributed to biomass burning, exhibits highly consistent spatial and temporal distribution patterns, with major variability arising from changes in the magnitude of the aerosol loading mediated by processes ranging from large-scale climate factors to diurnal meteorological events. Downwind from the source regions, the tightly coupled-aerosol–cloud system provides a unique, natural laboratory for further exploring the micro- and macro-scale relationships of the complex interactions. The climatic significance is presented through large-scale anti-correlations between aerosol and precipitation anomalies, showing spatial and seasonal var
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