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  Potential and limitations of multidecadal satellite moisture observations for climate model evaluation studies

Loew, A., Stacke, T., Dorigo, W., de Jeu, R., & Hagemann, S. (2013). Potential and limitations of multidecadal satellite moisture observations for climate model evaluation studies. Hydrology and Earth System Sciences, 17, 3523-3542. doi:10.5194/hess-17-3523-2013.

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Loew, Alexander1, 2, Author           
Stacke, Tobias3, Author           
Dorigo, W., Author
de Jeu, R., Author
Hagemann, Stefan3, Author           
Affiliations:
1Terrestrial Remote Sensing / HOAPS, The Land in the Earth System, MPI for Meteorology, Max Planck Society, ou_913559              
2CRG Terrestrial Remote Sensing, Research Area A: Climate Dynamics and Variability, The CliSAP Cluster of Excellence, External Organizations, Bundesstraße 53, 20146 Hamburg, DE, ou_2025291              
3Terrestrial Hydrology, The Land in the Earth System, MPI for Meteorology, Max Planck Society, ou_913560              

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 Abstract: Soil moisture is an essential climate variable (ECV) of major importance for land-atmosphere interactions and global hydrology. An appropriate representation of soil moisture dynamics in global climate models is therefore important. Recently, a first multidecadal, observation-based soil moisture dataset has become available that provides information on soil moisture dynamics from satellite observations (ECVSM, essential climate variable soil moisture). The present study investigates the potential and limitations of this new dataset for several applications in climate model evaluation. We compare soil moisture data from satellite observations, reanalysis and simulations from a state-of-the-art land surface model and analyze relationships between soil moisture and precipitation anomalies in the different dataset. Other potential applications like model parameter optimization or model initialization are not investigated in the present study. In a detailed regional study, we show that ECVSM is capable to capture well the interannual and intraannual soil moisture and precipitation dynamics in the Sahelian region. Current deficits of the new dataset are critically discussed and summarized at the end of the paper to provide guidance for an appropriate usage of the ECVSM dataset for climate studies. © 2013 Author(s).

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Language(s): eng - English
 Dates: 20132013-032013-09-132013-09-13
 Publication Status: Issued
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 Rev. Type: Peer
 Identifiers: DOI: 10.5194/hess-17-3523-2013
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Title: Hydrology and Earth System Sciences
  Other : HESS
Source Genre: Journal
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Publ. Info: European Geosciences Union
Pages: - Volume / Issue: 17 Sequence Number: - Start / End Page: 3523 - 3542 Identifier: Other: 1607-7938
CoNE: https://pure.mpg.de/cone/journals/resource/1607-7938