Clim. Past, 7, 451-472, 2011
© Author(s) 2011. This work is distributed
under the Creative Commons Attribution 3.0 License.
A regional climate simulation over the Iberian Peninsula for the last millennium
J. J. Gómez-Navarro1, J. P. Montávez1, S. Jerez1, P. Jiménez-Guerrero1, R. Lorente-Plazas1, J. F. González-Rouco2, and E. Zorita3
1Departamento de Física, Universidad de Murcia, Murcia, Spain
2Departamento de Astrofísica y CC. de la Atmósfera, Universidad Complutense de Madrid, Madrid, Spain
3Helmholtz-Zentrum Geesthacht, Geesthacht, Germany

Abstract. A high-resolution (30 km) regional paleoclimate simulation of the last millennium over the Iberian Peninsula (IP) is presented. The simulation was performed with a climate version of the mesoscale model MM5 driven by the global model ECHO-G. Both models were driven by the same reconstructions of several external forcing factors. The high spatial resolution of the regional model allows climatologists to realistically simulate many aspects of the climate in the IP, as compared to an observational data set in the reference period 1961–1990. Although the spatial-averaged values developed by the regional model are tightly driven by the boundary conditions, it is capable to develop a different realisation of the past climate at regional scales, especially in the high-frequency domain and for precipitation. This has to be considered when comparing the results of climate simulations versus proxy reconstructions. A preliminary comparison of the simulation results with reconstructions of temperature and precipitation over the IP shows good agreement in the warming trends in the last century of the simulation, although there are large disagreements in key periods such as the precipitation anomalies in the Maunder Minimum.

Citation: Gómez-Navarro, J. J., Montávez, J. P., Jerez, S., Jiménez-Guerrero, P., Lorente-Plazas, R., González-Rouco, J. F., and Zorita, E.: A regional climate simulation over the Iberian Peninsula for the last millennium, Clim. Past, 7, 451-472, doi:10.5194/cp-7-451-2011, 2011.
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