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@ARTICLE{Fadnavis:1028433,
      author       = {Fadnavis, Suvarna and Sonbawne, Sunil M. and Laakso, Anton
                      and Ploeger, Felix and Rap, Alexandru and Heinold, Bernd and
                      Sabin, T. P. and Müller, Rolf},
      title        = {{L}ong range transport of {S}outh and {E}ast {A}sian
                      anthropogenic aerosols counteracting {A}rctic warming},
      journal      = {npj climate and atmospheric science},
      volume       = {7},
      number       = {1},
      issn         = {2397-3722},
      address      = {London},
      publisher    = {Springer Nature},
      reportid     = {FZJ-2024-04614},
      pages        = {101},
      year         = {2024},
      abstract     = {The large-scale convection during the Asian summer monsoon
                      plays an important role in the rapidtransport of boundary
                      layer aerosols into the Asian summer monsoon anticyclone.
                      Here, using thestate-of-the-art ECHAM6–HAMMOZ
                      aerosol-chemistry-climate model, we show that these
                      aerosolsare further transported to the Arctic along
                      isentropic surfaces by the Brewer-Dobson-Circulation(BDC)
                      during the monsoon season. Our model simulations show that
                      East and South Asiananthropogenic emissions contribute
                      significantly to the aerosol transported to the Arctic,
                      whichcauses a higher negative net aerosol radiative forcing
                      at the surface (dimming) of −0.09 ± 0.02 Wm −2and
                      −0.07 ± 0.02 Wm −2 , respectively. Over the Arctic, the
                      East Asian anthropogenic aerosols thatinclude large amounts
                      of sulfate cause a seasonal mean net radiative forcing at
                      the top of theatmosphere (TOA) of −0.003 ± 0.001Wm −2
                      and a surface cooling of −0.56 K while the black
                      carbondominated aerosol from South Asia shows a positive TOA
                      forcing of +0.004 ± 0.001Wm −2 with an onlyminor surface
                      cooling of −0.043 K. Overall, the long-range transport of
                      South Asian aerosols results ina notably warming throughout
                      the atmospheric column but minimal temperature response at
                      the Arcticsurface. Conversely, East Asian aerosols cool the
                      troposphere and heat the lower stratosphere in theArctic.
                      The Asian aerosol thus plays an ambivalent role, with the
                      East Asian sources in particular havingthe potential to
                      counteract the rapid rise in Arctic temperatures and the
                      associated melting of snowand ice.},
      cin          = {IEK-7},
      ddc          = {530},
      cid          = {I:(DE-Juel1)IEK-7-20101013},
      pnm          = {2112 - Climate Feedbacks (POF4-211)},
      pid          = {G:(DE-HGF)POF4-2112},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:001221690600002},
      doi          = {10.1038/s41612-024-00633-1},
      url          = {https://juser.fz-juelich.de/record/1028433},
}