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          Scientists Reveal the Spatio-Temporal Variation Characteristics and Transmission Mechanism of Black Carbon in the Arctic

          Nov 14, 2019

          Black carbon (BC), as the main component of air pollutants in the Arctic, can directly absorb solar radiation contributing to global warming and affecting cloud microphysical process. 

          However, the relative contribution of sources and emissions of pollutants and meteorological field has not been investigated in this region, and that forms the main object of this study. 

          Recently, a research group led by Prof. KANG Shichang from Northwest Institute of Eco-Environment and Resources (NIEER) of the Chinese Academy of Sciences applied the regional climate-chemistry model and WRF-Chem model to investigate the spatial distribution, transportation and impact factors of BC in the Arctic. 

          Scientists assessed the applicability of the WRF-Chem model in the Arctic firstly, and then investigated the surface BC concentrations and vertical distribution of BC with seasonal variations. 

          Combining with meteorological data, they analyzed the seasonal distribution of BC in different heights of atmosphere to explain the potential sources and transport mechanisms. 

          Besides, scientists conducted the sensitive experiments to estimate the relative contribution of meteorological field and emission on the seasonality of BC in the Arctic. 

          The result was published In Environmental Pollution. 

          Investigation of distribution, transportation, and impact factors of atmospheric black carbon in the Arctic region based on a regional climate-chemistry model

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