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@ARTICLE{Asutosh:902560,
      author       = {Asutosh, Acharya and Fadnavis, Suvarna and Nuncio, M. and
                      Müller, Rolf and Tripathy, Sarat C.},
      title        = {{T}he {A}rctic {T}emperature {R}esponse to {G}lobal and
                      {R}egional {A}nthropogenic {S}ulfate {A}erosols},
      journal      = {Frontiers in Environmental Science},
      volume       = {9},
      issn         = {2296-665X},
      address      = {Lausanne},
      publisher    = {Frontiers Media},
      reportid     = {FZJ-2021-04359},
      pages        = {766538},
      year         = {2021},
      abstract     = {The mechanisms behind Arctic warming and associated climate
                      changes are difficult todiscern. Also, the complex local
                      processes and feedbacks like
                      aerosol-cloud-climateinteractions are yet to be quantified.
                      Here, using the Community Earth System Model(CAM5)
                      experiments, with emission enhancement of anthropogenic
                      sulfate 1) five-foldglobally, 2) ten-times over Asia, and 3)
                      ten-times over Europe we show that regionalemissions of
                      sulfate aerosols alter seasonal warming over the Arctic,
                      i.e., colder summerand warmer winter. European emissions
                      play a dominant role in cooling during the summerseason (0.7
                      K), while Asian emissions dominate the warming during the
                      winter season(maximum ∼0.6 K) in the Arctic surface. The
                      cooling/warming is associated with a negative/positive cloud
                      radiative forcing. During the summer season increase in
                      low–mid levelclouds, induced by sulfate emissions, favours
                      the solar dimming effect that reduces thedownwelling
                      radiation to the surface and thus leads to surface cooling.
                      Warmer winters areassociated with enhanced high-level clouds
                      that induce a positive radiative forcing at thetop of the
                      atmosphere. This study points to the importance of
                      international strategies beingimplemented to control sulfate
                      emissions to combat air pollution. Such strategies will
                      alsoaffect the Arctic cooling/warming associated with a
                      cloud radiative forcing caused bysulfate emission change.},
      cin          = {IEK-7},
      ddc          = {333.7},
      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:000721053800001},
      doi          = {10.3389/fenvs.2021.766538},
      url          = {https://juser.fz-juelich.de/record/902560},
}