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Applying SHETRAN in a Tropical West African Catchment (Dano, Burkina Faso)—Calibration, Validation, Uncertainty Assessment

This study presents the calibration and validation of the physically based spatially distributed hydrological and soil erosion model SHETRAN for the Dano catchment, Burkina Faso. A sensitivity analysis of six model parameters was performed to assess the model response and to reduce the number of parameters for calibration. The hydrological component was calibrated and validated using observed discharge data of two years. Statistical quality measures (R2, NSE, KGE) ranged from 0.79 to 0.66 during calibration and validation. The calibrated hydrological component was used to feed the erosion modeling. The simulated suspended sediment load (SSL) was compared with turbidity‐based measurements of SSL of two years. Achieved quality measures are comparable to other SHETRAN studies. Uncertainties of measured discharge and suspended sediment concentration were determined to assess the propagated uncertainty of SSL. The comparison of measurement uncertainties of discharge and SSL with parameter uncertainty of the corresponding model output showed that simulated discharge and SSL were frequently outside the large measured uncertainty bands. A modified NSE was used to incorporate measurement and parameter uncertainty into the efficiency evaluation of the model. The analyses of simulated erosion sources and spatial patterns showed the importance of river erosion contributing more than 60% to the total simulated sediment loss.

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Date (Publication)
2017-02-09T00:00:00
Presentation form
Digital document
Status
Completed
Author
  Department of Geography - University of Bonn - Felix Op de Hipt ( Junior Researcher )
Bonn , Germany
Author
  Department of Geography, University of Bonn - Bernd Diekkrüger ( )
Bonn , Germany
Author
  Department of Geography, University of Bonn - Gero Steup ( )
Bonn , Germany
Author
  Department of Geography, University of Bonn - Yacouba Yira ( )
Bonn , Germany
Author
  German Federal Institute of Hydrology - Thomas Hoffmann ( )
Koblenz , Germany
Author
  Helmholtz Center for Environmental Research - UFZ - Michael Rhode ( )
Magdeburg , Germany
GEMET - Concepts, version 2.4
  • soil
  • soil degradation
  • soil erosion
  • water erosion
  • modelling
Region
  • Burkina Faso
Place
  • Dano
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https://creativecommons.org/licenses/by/4.0/

Citation: Op de Hipt, F.; Diekkrüger, B.; Steup, G.; Yira, Y.; Hoffmann, T.; Rode, M. Applying SHETRAN in a Tropical West African Catchment (Dano, Burkina Faso)—Calibration, Validation, Uncertainty Assessment. Water 2017, 9, 101.

Metadata language
English
Character set
UTF8
Topic category
  • Environment
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OnLine resource
Article: Applying SHETRAN in a Tropical West African Catchment (Dano, Burkina Faso)—Calibration, Validation, Uncertainty Assessment ( WWW:LINK-1.0-http--link )
File identifier
44ecebe6-6ffd-41f4-8eff-09405ca3bb26 XML
Metadata language
English
Character set
UTF8
Date stamp
2018-04-04T17:13:12
Metadata standard name
ISO 19115:2003/19139
Metadata standard version
1.0
Author
  Department of Geography - University of Bonn - Felix Op de Hipt ( Junior Researcher )
Meckenheimer Allee 166 , Bonn , North Rhine-Westphalia , 53115 , Germany
+49 (0)228 / 73-60710
 
 

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Keywords

GEMET - Concepts, version 2.4
modelling soil soil degradation soil erosion water erosion

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