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Atmospheric and Oceanic Optics

2018 year, number 8

Comparison of average aerosol characteristics in the neighboring Arctic regions

S.M. Sakerin1, L.P. Golobokova2, D.M. Kabanov1, V.S. Kozlov1, V.V. Pol’kin1, V.F. Radionov3, D.G. Chernov1
1V.E. Zuev Institute of Atmospheric Optics of Siberian Branch of the Russian Academy of Science, 1, Academician Zuev square, Tomsk, 634055, Russia
2Limnological Institute of the Siberian Branch of the RAS, 3, Ulan-Batorskaya str., 664033, Irkutsk, Russia
3Federal State Budgetary Institution "Arctic and Antarctic Research Institute", 38 Bering str., St.Petersburg, Russia, 199397
Keywords: аэрозоль, сажа, ионный состав, Шпицберген, Баренцево море, aerosol, black carbon, ionic composition, Spitsbergen, Barents Sea


We discuss the results of comparison of the average physical-chemical aerosol characteristics in the neighboring regions: in the Arctic settlement Barentsburg (Spitsbergen Archipelago) and over the Barents Sea. A small (less than 0.02) excess of the atmospheric aerosol optical depth in the island area over the maritime region is noted. The aerosol microphysical characteristics differ stronger in the near-ground layer: the black carbon concentrations are (a factor of 4) larger in Barentsburg, and particle concentrations are (a factor of 2.4) larger over sea. The absolute concentrations of ions in the atmosphere of Barentsburg are several-fold smaller than over sea. However, with respect to the relative content, Na+, Cl- and NH4+, SO42- ions predominate in both regions, indicating equivalent contributions of continental and maritime sources.