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Modelling of hydrological processes in snowmelt-governed permafrost-free catchments of the Western Siberian Lowlands

Kiesel, Jens and Pfannerstill, Matthias and Schmalz, Britta and Khoroshavin, Vitaliy and Sheludkov, Artyom and Veshkurseva, Tatyana and Fohrer, Nicola (2018):
Modelling of hydrological processes in snowmelt-governed permafrost-free catchments of the Western Siberian Lowlands.
In: International Journal of Hydrology Science and Technology, pp. 289-316, 8, (3), DOI: 10.1504/IJHST.2018.10007182, [Article]

Abstract

To date, no examples of small- to meso-scale hydrological simulations exist in the southern part of the Western Siberian Lowlands, despite intensive agriculture and high vulnerability to climate change. We propose a first simulation approach in which we assess the importance of surface and groundwater processes on hydrological model performance. Therefore, we simulated three catchments, using four different model setups incorporating different landscape characteristics and processes. An objective calibration and comparison framework was applied to assess the different setups which reached very diverse performance: The setups where physically based surface retention is considered, showed slightly more realistic surface runoff driven peak flows and the setups with a more complex groundwater concept improved the depiction of surface runoff, the recession phase and the contributing baseflow significantly. The best performing, most complex setup was used to assess the prevailing hydrological processes of the lowland with its cold, continental climate in more detail.

Item Type: Article
Erschienen: 2018
Creators: Kiesel, Jens and Pfannerstill, Matthias and Schmalz, Britta and Khoroshavin, Vitaliy and Sheludkov, Artyom and Veshkurseva, Tatyana and Fohrer, Nicola
Title: Modelling of hydrological processes in snowmelt-governed permafrost-free catchments of the Western Siberian Lowlands
Language: English
Abstract:

To date, no examples of small- to meso-scale hydrological simulations exist in the southern part of the Western Siberian Lowlands, despite intensive agriculture and high vulnerability to climate change. We propose a first simulation approach in which we assess the importance of surface and groundwater processes on hydrological model performance. Therefore, we simulated three catchments, using four different model setups incorporating different landscape characteristics and processes. An objective calibration and comparison framework was applied to assess the different setups which reached very diverse performance: The setups where physically based surface retention is considered, showed slightly more realistic surface runoff driven peak flows and the setups with a more complex groundwater concept improved the depiction of surface runoff, the recession phase and the contributing baseflow significantly. The best performing, most complex setup was used to assess the prevailing hydrological processes of the lowland with its cold, continental climate in more detail.

Journal or Publication Title: International Journal of Hydrology Science and Technology
Volume: 8
Number: 3
Uncontrolled Keywords: groundwater; surface water retention; flow duration curve; hydrological process evaluation; SWAT3S
Divisions: 13 Department of Civil and Environmental Engineering Sciences
13 Department of Civil and Environmental Engineering Sciences > Institute of Hydraulic and Water Resources Engineering
13 Department of Civil and Environmental Engineering Sciences > Institute of Hydraulic and Water Resources Engineering > Engineering Hydrology and Water Management
Date Deposited: 31 Jul 2018 06:43
DOI: 10.1504/IJHST.2018.10007182
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