Articles | Volume 22, issue 15
Research article
03 Aug 2022
Research article |  | 03 Aug 2022

Arctic spring and summertime aerosol optical depth baseline from long-term observations and model reanalyses – Part 1: Climatology and trend

Peng Xian, Jianglong Zhang, Norm T. O'Neill, Travis D. Toth, Blake Sorenson, Peter R. Colarco, Zak Kipling, Edward J. Hyer, James R. Campbell, Jeffrey S. Reid, and Keyvan Ranjbar

Data sets

Terra Product Descriptions: MCDAODHD The Naval Research Laboratory and the University of North Dakota/MODIS Adaptive Processing System (MODAPS)

Multi-angle Imaging SpectroRadiometer (MISR) Level 2 Aerosol parameters Verion 3 NASA

CALIPSO Lidar Level 2 Aerosol Profile, V4-20 NASA/LARC/SD/ASDC

CALIPSO Lidar Level 2 5 km Aerosol Layer Data, V4-20 NASA/LARC/SD/ASDC

MERRA-2 tavgM_2d_aer_Nx: 2d, Monthly mean, Time-averaged, Single-Level, Assimilation, Aerosol Diagnostics V5.12.4 Global Modeling and Assimilation Office (GMAO)

Short summary
The study provides baseline Arctic spring and summertime aerosol optical depth climatology, trend, and extreme event statistics from 2003 to 2019 using a combination of aerosol reanalyses, remote sensing, and ground observations. Biomass burning smoke has an overwhelming contribution to black carbon (an efficient climate forcer) compared to anthropogenic sources. Burning's large interannual variability and increasing summer trend have important implications for the Arctic climate.
Final-revised paper