Using High-Resolution Data to Test Parameter Sensitivity of the Distributed Hydrological Model HydroGeoSphere
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| Title: | Main Title: Using High-Resolution Data to Test Parameter Sensitivity of the Distributed Hydrological Model HydroGeoSphere |
| Description: | Abstract: Parameterization of physically based and distributed hydrological models for mesoscale catchments remains challenging because the commonly available data base is insufficient for calibration. In this paper, we parameterize a mesoscale catchment for the distributed model HydroGeoSphere by transferring evapotranspiration parameters calibrated at a highly-equipped headwater catchment in addition to literature data. Based on this parameterization, the sensitivity of the mesoscale catchment to spatial variability in land use, potential evapotranspiration and precipitation and of the headwater catchment to mesoscale soil and land use data was conducted. Simulations of the mesoscale catchment with transferred parameters reproduced daily discharge dynamics and monthly evapotranspiration of grassland, deciduous and coniferous vegetation in a satisfactory manner. Precipitation was the most sensitive input data with respect to total runoff and peak flow rates, while simulated evapotranspiration components and patterns were most sensitive to spatially distributed land use parameterization. At the headwater catchment, coarse soil data resulted in a change in runoff generating processes based on the interplay between higher wetness prior to a rainfall event, enhanced groundwater level rise and accordingly, lower transpiration rates. Our results indicate that the direct transfer of parameters is a promising method to benefit highly equipped simulations of the headwater catchments. |
| Identifier: | 10.3390/w8050202 (DOI) |
Responsible Party
| Creators: | Thomas Cornelissen (Author), Bernd Diekkrüger (Author), Heye Bogena (Author) |
| Publisher: | MDPI |
| Publication Year: | 2016 |
Topic
| TR32 Topic: | Soil |
| Related Subproject: | C1 |
| Subjects: | Keywords: Catchment Hydrology, Hydrological Modelling |
File Details
| Filename: | Cornelissen2016MDPI.pdf |
| Data Type: | Text - Article |
| File Size: | 5.1 MB |
| Date: | Accepted: 10.05.2016 |
| Mime Type: | application/pdf |
| Data Format: | |
| Language: | English |
| Status: | Completed |
Constraints
| Download Permission: | Only Project Members |
| General Access and Use Conditions: | According to the TR32DB data policy agreement. |
| Access Limitations: | According to the TR32DB data policy agreement. |
| Licence: | [TR32DB] Data policy agreement |
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Specific Information - Publication
| Publication Status: | Accepted |
| Review Status: | Peer reviewed |
| Publication Type: | Article |
| Article Type: | Journal |
| Source: | Water |
| Source Website: | http://www.mdpi.com/journal/water |
| Issue: | 5 |
| Volume: | 8 |
| Number of Pages: | 21 (1 - 21) |
Metadata Details
| Metadata Creator: | Inken Rabbel |
| Metadata Created: | 31.05.2016 |
| Metadata Last Updated: | 31.05.2016 |
| Subproject: | C1 |
| Funding Phase: | 3 |
| Metadata Language: | English |
| Metadata Version: | V50 |
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| Page Visits: | 906 |
| Metadata Downloads: | 0 |
| Dataset Downloads: | 5 |
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