Instant and delayed effects of March biomass burning aerosols over the Indochina Peninsula

Zhu, Anbao; Xu, Haiming; Deng, Jiechun; Ma, Jing; Hua, Shaofeng

doi:https://doi.org/10.5194/acp-22-15425-2022

Articles | Volume 22, issue 23

https://doi.org/10.5194/acp-22-15425-2022

© Author(s) 2022. This work is distributed under
the Creative Commons Attribution 4.0 License.

https://doi.org/10.5194/acp-22-15425-2022

© Author(s) 2022. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 22, issue 23

Research article

|

06 Dec 2022

Research article |

| 06 Dec 2022

Instant and delayed effects of March biomass burning aerosols over the Indochina Peninsula

Anbao Zhu, Haiming Xu, Jiechun Deng, Jing Ma, and Shaofeng Hua

Supplement

https://doi.org/10.5194/acp-22-15425-2022-supplement

Data sets

NCEP FNL Operational Model Global Tropospheric Analyses, continuing from July 1999 National Centers for Environmental Prediction (NCEP), National Weather Service (NWS), NOAA, U.S. Department of Commerce (DOC) https://doi.org/10.5065/D6M043C6

ERA5 hourly data on pressure levels from 1959 to present, H. Hersbach, B. Bell, P. Berrisford, G. Biavati, A. Horányi, J. Muñoz Sabater, J. Nicolas, C. Peubey, R. Radu, I. Rozum, D. Schepers, A. Simmons, C. Soci, D. Dee, and J.-N. Thépaut https://doi.org/10.24381/cds.bd0915c6

MERRA-2 tavg1_2d_aer_Nx: 2d,1-Hourly,Time-averaged,Single-Level,Assimilation,Aerosol Diagnostics V5.12.4 Global Modeling and Assimilation Office (GMAO) https://doi.org/10.5067/KLICLTZ8EM9D

OMI/Aura Near UV Aerosol Optical Depth and Single Scattering Albedo L3 1 day 1.0 degree x 1.0 degree V3 Omar O. Torres https://doi.org/10.5067/Aura/OMI/DATA30

TRMM (TMPA/3B43) Rainfall Estimate L3 1 month 0.25 degree x 0.25 degree V7 Tropical Rainfall Measuring Mission (TRMM) https://doi.org/10.5067/TRMM/TMPA/MONTH/7

TRMM (TMPA) Precipitation L3 1 day 0.25 degree x 0.25 degree V7 G. J. Huffman, D. T. Bolvin, E. J. Nelkin, and R.F. Adler https://doi.org/10.5067/TRMM/TMPA/DAY/7

MODIS Atmosphere L3 Monthly Product, S. Platnick, P. Hubanks, K. Meyer, and M. D. King https://doi.org/10.5067/MODIS/MOD08_M3.061

Global Fire Emissions Database, Version 4.1 (GFEDv4). J. T. Randerson, G. R. van der Werf, L. Giglio, G. J. Collatz, and P. S. Kasibhatla https://doi.org/10.3334/ORNLDAAC/1293

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Short summary

This study demonstrates the instant and delayed effects of biomass burning (BB) aerosols on precipitation over the Indochina Peninsula (ICP). The convection suppression due to the BB aerosol-induced stabilized atmosphere dominates over the favorable water-vapor condition induced by large-scale circulation responses, leading to an overall reduced precipitation in March, while the delayed effect promotes precipitation from early April to mid April due to the anomalous atmospheric circulations.