Luis Eduardo Samaniego Eguiguren, Rohini Kumar, Stephan Thober, Oldrich Rakovec, Matthias Zink, Niko Wanders, Stephanie Eisner, Hannes Müller Schmied, Edwin H. Sutanudjaja, Kirsten Warrach-Sagi, Sabine Attinger
- Land surface and hydrologic models (LSMs/HMs) are used at diverse spatial resolutions ranging from catchment-scale (1–10 km) to global-scale (over 50 km) applications. Applying the same model structure at different spatial scales requires that the model estimates similar fluxes independent of the chosen resolution, i.e., fulfills a flux-matching condition across scales. An analysis of state-of-the-art LSMs and HMs reveals that most do not have consistent hydrologic parameter fields. Multiple experiments with the mHM, Noah-MP, PCR-GLOBWB, and WaterGAP models demonstrate the pitfalls of deficient parameterization practices currently used in most operational models, which are insufficient to satisfy the flux-matching condition. These examples demonstrate that J. Dooge's 1982 statement on the unsolved problem of parameterization in these models remains true. Based on a review of existing parameter regionalization techniques, we postulate that the multiscale parameter regionalization (MPR) technique offers a practical and robust method that provides consistent (seamless) parameter and flux fields across scales. Herein, we develop a general model protocol to describe how MPR can be applied to a particular model and present an example application using the PCR-GLOBWB model. Finally, we discuss potential advantages and limitations of MPR in obtaining the seamless prediction of hydrological fluxes and states across spatial scales.
MetadatenAuthor: | Luis Eduardo Samaniego EguigurenORCiDGND, Rohini KumarORCiDGND, Stephan Thober, Oldrich Rakovec, Matthias Zink, Niko Wanders, Stephanie Eisner, Hannes Müller SchmiedORCiDGND, Edwin H. Sutanudjaja, Kirsten Warrach-Sagi, Sabine Attinger |
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URN: | urn:nbn:de:hebis:30:3-443751 |
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DOI: | https://doi.org/10.5194/hess-21-4323-2017 |
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ISSN: | 1607-7938 |
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ISSN: | 1027-5606 |
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Parent Title (German): | Hydrology and earth system sciences |
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Publisher: | European Geosciences Union |
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Place of publication: | Katlenburg-Lindau. |
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Document Type: | Article |
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Language: | English |
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Year of Completion: | 2017 |
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Date of first Publication: | 2017/09/01 |
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Publishing Institution: | Universitätsbibliothek Johann Christian Senckenberg |
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Release Date: | 2017/11/02 |
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Volume: | 21 |
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Page Number: | 24 |
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First Page: | 4323 |
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Last Page: | 4346 |
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Note: | © Author(s) 2017. This work is distributed under the Creative Commons Attribution 3.0 License. |
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HeBIS-PPN: | 425299724 |
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Institutes: | Fachübergreifende Einrichtungen / Biodiversität und Klima Forschungszentrum (BiK-F) |
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Dewey Decimal Classification: | 5 Naturwissenschaften und Mathematik / 55 Geowissenschaften, Geologie / 550 Geowissenschaften |
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Sammlungen: | Universitätspublikationen |
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Licence (German): | Creative Commons - Namensnennung 3.0 |
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