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ESD | Articles | Volume 9, issue 4
Earth Syst. Dynam., 9, 1261–1278, 2018
https://doi.org/10.5194/esd-9-1261-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
Earth Syst. Dynam., 9, 1261–1278, 2018
https://doi.org/10.5194/esd-9-1261-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.

Research article 09 Nov 2018

Research article | 09 Nov 2018

Sensitivity study of the regional climate model RegCM4 to different convective schemes over West Africa

Brahima Koné et al.
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Cited articles  
Abiodun, B. J., Adeyewa, Z. D., Oguntunde, P. G., Salami, A. T., and Ajayi, V. O.: Modeling the impacts of reforestation on future climate in West Africa, Theor. Appl. Climatol., 110, 77–96, 2012. 
Adeniyi, M. O.: Sensitivity of different convective schemes in RegCM4.0 for simulation of precipitation during the Septembers of 1989 to 1998 over West Africa. Theor. Appl. Climatol., 115, 305–322, https://doi.org/10.1007/s00704-013-0881-5, 2014. 
Ali, S., Dan, L., Fu, C. B., and Yang, Y.: Performance of convective parameterization schemes in Asia using RegCM: Simulations in three typical regions for the period 1998–2002, Adv. Atmos. Sci., 32, 715–730, https://doi.org/10.1007/s00376-014-4158-4, 2015. 
Arakawa, A. and Schubert, W. H.: Interaction of a cumulus cloud ensemble with the large scale environment Part I, J. Atmos. Sci., 31, 674–701, 1974. 
Bhatla, R., Ghosh, S., Mandal, B., Mall, R. K., and Sharma, K.: Simulation of Indian summer monsoon onset with different parameterization convection schemes of RegCM-4.3, Atmos. Res., 176, 10–18, https://doi.org/10.1016/j.atmosres.2016.02.010, 2016. 
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Short summary
Simulations of regional climate are very sensitive to physical parameterization schemes, particularly over the tropics where convection plays a major role in monsoon dynamics. The latest version of RegCM4 was used to assess the performance and sensitivity of the simulated West African climate system to different convection schemes. The configuration of RegCM4 with CLM4.5 as a land surface model and the Emanuel convective scheme is recommended for the study of the West African climate.
Simulations of regional climate are very sensitive to physical parameterization schemes,...
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