Articles | Volume 15, issue 18
Atmos. Chem. Phys., 15, 10887–10904, 2015
https://doi.org/10.5194/acp-15-10887-2015

Special issue: NETCARE (Network on Aerosols and Climate: Addressing Key Uncertainties...

Atmos. Chem. Phys., 15, 10887–10904, 2015
https://doi.org/10.5194/acp-15-10887-2015

Research article 30 Sep 2015

Research article | 30 Sep 2015

Simulation of black carbon in snow and its climate impact in the Canadian Global Climate Model

M. Namazi et al.

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Cited articles

Andrews, T., Gregory, J. M., Webb, M. J., and Taylor, K. E.: Forcing, feedbacks and climate sensitivity in CMIP5 coupled atmosphere-ocean climate models, Geophys. Res. Lett., 39, L09712, https://doi.org/10.1029/2012GL051607, 2012.
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Bartlett, P. A., Mackay, M. D., and Verseghy, D. L.: Modified snow algorithms in the Canadian Land Surface Scheme: model runs and sensitivity analysis at three boreal forest stands, Atmosphere-Ocean, 44, 207–222, 2006.
Bartlett, P. and Verseghy, D.: Modified treatment of intercepted snow improves the simulated forest albedo in the Canadian Land Surface Scheme, Hydrol. Processes, 29, 3208–3226, https://doi.org/10.1002/hyp.10431, 2015.
Bäumer, D., Lohmann, U., Lesins, G., Li, J., and Croft, B.: Parameterizing the optical properties of carbonaceous aerosols in the Canadian Centre for Climate Modeling and Analysis Atmospheric General Circulation Model with impacts on global radiation and energy fluxes, J. Geophys. Res.-Atmos., 112, D10207, https://doi.org/10.1029/2006JD007319, 2007.
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A new parameterization of black carbon in snow in the Canadian Atmospheric Global Climate Model provides realistic simulations of radiative forcings. BC emissions and simulated BC concentrations in snow have changed substantially in recent decades. However, simulated impacts of changes in BC concentrations in snow from 1950-1959 to 2000-2009 on snow reflectivity and snow extent in the Northern Hemisphere are very small, with few regional exceptions, in contrast to results from earlier studies.
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