Sensitivity of black carbon concentrations and climate impact to aging and scavenging in OsloCTM2–M7

Lund, Marianne T.; Berntsen, Terje K.; Samset, Bjørn H.

doi:https://doi.org/10.5194/acp-17-6003-2017

Articles | Volume 17, issue 9

https://doi.org/10.5194/acp-17-6003-2017

© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.

https://doi.org/10.5194/acp-17-6003-2017

© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.

Articles | Volume 17, issue 9

Research article

|

16 May 2017

Research article |

| 16 May 2017

Sensitivity of black carbon concentrations and climate impact to aging and scavenging in OsloCTM2–M7

Marianne T. Lund, Terje K. Berntsen, and Bjørn H. Samset

Supplement

https://doi.org/10.5194/acp-17-6003-2017-supplement

Data sets

HIPPO CDIAC – Carbon Dioxide Information Analysis Center Data Archive, Oak Ridge National Laboratory http://hippo.ornl.gov/

IMPROVE FED, Colorado State University's Cooperative Institute for Research in the Atmosphere http://views.cira.colostate.edu/fed/DataWizard/Default.aspx

ARCTAS NASA https://www-air.larc.nasa.gov/missions/arctas/arctas.html

ARCPAC NOAA http://www.esrl.noaa.gov/csd/projects/arcpac/

NOAA GMD NOAA https://www.esrl.noaa.gov/gmd/

EBAS NILU – Norwegian Institute for Air Research http://ebas.nilu.no/

ECLIPSEv4 NILU – Norwegian Institute for Air Research http://eclipse.nilu.no/

CASTNET U.S. Environmental Protection Agency Clean Air Markets Division http://www.epa.gov/castnet

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Short summary

This study investigates possibilities for improving the representation of black carbon (BC) distribution in a global atmospheric chemistry-transport model by exploring uncertainties in key processes controlling the removal of aerosols from the atmosphere. Our results provide an increased understanding of the processes contributing to uncertainties in the BC abundance and climate impact and underline the importance of more observations and experimental data further constrain models.