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Sources of Brown Carbon in the Arctic (BeAR (Brown carbon in the ARctic) )
Call year: 2019
Status: active
IADC_id: 145
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Project description:
Air pollution in the Arctic is attracting increasing interest, due to the expanding anthropogenic activities in the polar area and the limited knowledge of atmospheric processes controlling air quality at low temperature and low photochemical activity. In this regard, international initiatives are promoting further investigation of the Arctic air pollution dynamics and climate implications. The increasing pollutant levels in the Arctic is a threat for the regional climate, as some air pollutants act as short lived climate forcers. Black carbon (BC) and Brown carbon (BrC), in particular, might increase rate of warming in the polar area, by absorbing incoming solar radiation, affecting cloud lifetime, and after deposition, accelerating snow melting.The goal of the research project is to investigate sources and atmospheric processing of light absorbing organic aerosol in the Arctic region, coupling on-line chemical and microphysical characterization of submicron aerosol. In particular, optical properties of BC and BrC will be investigated at the light of particle microphysics, air mass origin, and atmospheric processing.
National/International Cooperation:
Center for Physical Sciences and Technology and Vilnius University (Lithuania) , National Center for Scientific research "Demokritos" (Greece).
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