Publication Abstracts

Samset et al. 2018

Samset, B., M. Sand, C.J. Smith, S.E. Bauer, P.M. Forster, J.S. Fuglestvedt, S. Osprey, and C.-F. Schleussner, 2018: Climate impacts from a removal of anthropogenic aerosol emissions. Geophys. Res. Lett., 45, no. 2, 1020-1029, doi:10.1002/2017GL076079.

Limiting global warming to 1.5 or 2.0 °C requires strong mitigation of anthropogenic greenhouse gas (GHG) emissions. Concurrently, emissions of anthropogenic aerosols will decline, due to co-emission with GHG, and measures to improve air quality. However, the combined climate effect of GHG and aerosol emissions over the industrial era is poorly constrained. Here we show the climate impacts from removing present day anthropogenic aerosol emissions, and compare them to the impacts from moderate GHG dominated global warming. Removing aerosols induces a global mean surface heating of 0.5-1.1 °C, and precipitation increase of 2.0-4.6 %. Extreme weather indices also increase. We find a higher sensitivity of extreme events to aerosol reductions, per degree of surface warming, in particular over the major aerosol emission regions. Under near term warming, we find that regional climate change will depend strongly on the balance between aerosol and GHG forcing.

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BibTeX Citation

  author={Samset, B. and Sand, M. and Smith, C. J. and Bauer, S. E. and Forster, P. M. and Fuglestvedt, J. S. and Osprey, S. and Schleussner, C.-F.},
  title={Climate impacts from a removal of anthropogenic aerosol emissions},
  journal={Geophys. Res. Lett.},

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RIS Citation

ID  - sa05300j
AU  - Samset, B.
AU  - Sand, M.
AU  - Smith, C. J.
AU  - Bauer, S. E.
AU  - Forster, P. M.
AU  - Fuglestvedt, J. S.
AU  - Osprey, S.
AU  - Schleussner, C.-F.
PY  - 2018
TI  - Climate impacts from a removal of anthropogenic aerosol emissions
JA  - Geophys. Res. Lett.
VL  - 45
IS  - 2
SP  - 1020
EP  - 1029
DO  - 10.1002/2017GL076079
ER  -

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