Exploring large-scale black‑carbon air pollution over Northern Eurasia in summer 2016 using MERRA-2 reanalysis data

作者: S.A. Sitnov , I.I. Mokhov , A.A. Likhosherstova

DOI: 10.1016/J.ATMOSRES.2019.104763

关键词:

摘要: Abstract The abnormally high temperature and the deficit of precipitation in Siberia summer 2016 contributed to development massive forest fires, which resulted pyrogenic emission atmosphere various biomass burning products. This paper presents analysis results spatial temporal variations black carbon (BC) over Northern Eurasia during Siberian wildfires using MERRA-2 reanalysis data. spatiotemporal evolution BC anomalies is presented, with estimates increase mass wildfire period. peculiarities large-scale atmospheric circulation responsible for transport from Central Europe are discussed. scale, effective height speed long-range anomalous (from east west) transfer air masses July obtained. Changes optical microphysical characteristics biomass-burning aerosol its also A comparison daily surface concentrations at polar observatory Tiksi those column density revealed a correlation between local integral arriving wildfires.

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