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Climate of the Past An interactive open-access journal of the European Geosciences Union
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Volume 9, issue 4 | Copyright

Special issue: Integrated analysis of interglacial climate dynamics

Clim. Past, 9, 1667-1682, 2013
https://doi.org/10.5194/cp-9-1667-2013
© Author(s) 2013. This work is distributed under
the Creative Commons Attribution 3.0 License.

Research article 30 Jul 2013

Research article | 30 Jul 2013

A regional climate palaeosimulation for Europe in the period 1500–1990 – Part 1: Model validation

J. J. Gómez-Navarro1, J. P. Montávez2, S. Wagner1, and E. Zorita1 J. J. Gómez-Navarro et al.
  • 1Institute for Coastal Research, Helmholtz-Zentrum Geesthacht, Geesthacht, Germany
  • 2Department of Physics, Regional Campus of International Excellence "Campus Mare Nostrum", University of Murcia, Murcia, Spain

Abstract. We present and analyse a high-resolution regional climate palaeosimulation encompassing the European region for the period 1500–1990. We use the regional model MM5 driven at the boundaries by the global model ECHO-G. Both models are forced by reconstructions of three external factors: greenhouse gas concentrations, total solar irradiance and volcanic activity. The simulation skill is assessed in a recent period by comparing the model results with the Climate Research Unit (CRU) database. The results show that although the regional model is tightly driven by the boundary conditions, it is able to improve the reliability of the simulations, narrowing the differences to the observations, especially in areas of complex topography. Additionally, the evolution of the spatial distributions of temperature and precipitation through the last five centuries is analysed, showing that the mean values of temperature reflects the influence of the external forcings. However, contrary to the results obtained under climate change scenario conditions, higher-order momenta of seasonal temperature and precipitation are hardly affected by changes in the external forcings.

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