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  Combined evaluation of MPI-ESM land surface water and energy fluxes

Hagemann, S., Loew, A., & Andersson, A. (2013). Combined evaluation of MPI-ESM land surface water and energy fluxes. Journal of Advances in Modeling Earth Systems, 5, 259-286. doi:10.1029/2012MS000173.

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 Creators:
Hagemann, Stefan1, Author           
Loew, Alexander2, 3, Author           
Andersson, Axel, Author           
Affiliations:
1Terrestrial Hydrology, The Land in the Earth System, MPI for Meteorology, Max Planck Society, ou_913560              
2Terrestrial Remote Sensing / HOAPS, The Land in the Earth System, MPI for Meteorology, Max Planck Society, ou_913559              
3CRG Terrestrial Remote Sensing, Research Area A: Climate Dynamics and Variability, The CliSAP Cluster of Excellence, External Organizations, Bundesstraße 53, 20146 Hamburg, DE, ou_2025291              

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Free keywords: land surface hydrology; water fluxes; energy fluxes; earth system model; model evaluation; albedo
 Abstract: To assess the robustness of projected changes of the hydrological cycle simulated by an Earth system model (ESM), it is fundamental to validate the ESM and to characterize its major deficits. As the hydrological cycle is closely coupled to the energy cycle, a common large-scale evaluation of these fundamental components of the Earth system is highly beneficial, even though this has been rarely done up to now. Consequently, the purpose of the present study is the combined evaluation of land surface water and energy fluxes from the newest ESM version of the Max Planck Institute for Meteorology (MPI-ESM), which was used to produce an ensemble of Coupled Model Intercomparison Project Phase 5 (CMIP5) simulations. With regard to energy fluxes, we especially make use of recent satellite data sets. Additionally, MPI-ESM results are compared with CMIP3 results from the predecessor of MPI-ESM, ECHAM5/MPIOM, as well as to results from the atmosphere/land part of MPI-ESM (ECHAM6/JSBACH) forced by observed sea surface temperature (SST). Analyses focus on regions where notable differences occur between the two ESM versions as well as between the fully coupled and the uncoupled SST-driven simulations. In general, our results show a considerable improvement of MPI-ESM in simulating surface shortwave radiation fluxes. The precipitation of the fully coupled simulations notably differs from those of the SST-forced simulations over a few river catchments. Over the Amazon catchment, the coupling to the ocean leads to a large negative precipitation bias, while for the Ganges/Brahmaputra, the coupling significantly improves the simulated precipitation.

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Language(s): eng - English
 Dates: 201220132013-052013-06
 Publication Status: Issued
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1029/2012MS000173
 Degree: -

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Title: Journal of Advances in Modeling Earth Systems
  Other : JAMES
Source Genre: Journal
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Publ. Info: Washington, D.C. : American Geophysical Union
Pages: - Volume / Issue: 5 Sequence Number: - Start / End Page: 259 - 286 Identifier: Other: 1942-2466
CoNE: https://pure.mpg.de/cone/journals/resource/19422466