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ИСТИНА ФИЦ ПХФ и МХ РАН |
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The largest uncertainties when assessing the aerosol impact on climate and atmospheric pollution in the Arctic are attributed to black carbon. Northern Eurasia and Siberia particularly attract the biggest attention as the potential air pollution source regions for the Central Arctic. There is a strong need for comprehensive studies in the Arctic atmosphere throughout the spatial locations and temporal variability of black carbon during years and seasons. Polar aerosol station “Island Bely” is developed on the Bely Island (Kara Sea) in Western Siberia Arctic where big lack of observation data exists. The aim was to establish long-term monitoring in the region of the air pathway of large-scale emission plumes from industrial regions of Eurasia and Siberian wildfires to the Arctic (Popovicheva et al., 2022). High-resolution, long-term light-absorption measurements resulting from ongoing measurements at Island Bely during 2019-2022 are reported here. The main focus is to expand on black carbon (BC) inter-annual and seasonal variability over the Arctic measured at multiple polar stations.