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Advances in Science and Research The open-access proceedings of the European Meteorological Society (EMS)

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Adv. Sci. Res., 6, 161-165, 2011
https://doi.org/10.5194/asr-6-161-2011
© Author(s) 2011. This work is distributed under
the Creative Commons Attribution 3.0 License.
 
14 Jun 2011
Soil moisture initialization effects in the Indian monsoon system
S. Asharaf, A. Dobler, and B. Ahrens Institute for Atmospheric and Environmental Sciences, Goethe University, Frankfurt, Germany
Abstract. Towards the goal to understand the role of land-surface processes over the Indian sub-continent, a series of soil-moisture sensitivity simulations have been performed using a non-hydrostatic regional climate model COSMO-CLM. The experiments were driven by the lateral boundary conditions provided by the ERA-Interim (ECMWF) reanalysis. The simulation results show that the pre-monsoonal soil moisture has a significant influence on the monsoonal precipitation. Both, positive and negative soil-moisture precipitation (S-P) feedback processes are of importance. The negative S-P feedback process is especially influential in the western and the northern parts of India.

Citation: Asharaf, S., Dobler, A., and Ahrens, B.: Soil moisture initialization effects in the Indian monsoon system, Adv. Sci. Res., 6, 161-165, https://doi.org/10.5194/asr-6-161-2011, 2011.
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