The objectives of this study were to: (i) evaluate the CLImate GENerator model (CLIGEN v.5.22564) to reproduce daily, monthly and yearly precipitation values across Bautzen catchment area, as well as storm patterns including maximum monthly 30 min intensity and average monthly storm duration at two stations, (ii) cross-validate CLIGEN's spatial and temporal prediction ability. Daily rainfall data were collected from three stations (Kubschütz, Sohland and Spittwitz) for the period 1991–2010, in addition to breakpoint rainfall data from Kubschütz for the period 2004–2010 and Sohland for the period 2005–2010. The daily data from the three stations were interpolated to the entire catchment area. These interpolated observed data were used to validate the results from CLIGEN twice, once when the model was run with input parameters calculated from the interpolated data, and once when the model was run with input parameters calculated from each station independently. The model was cross-validated with respect to time at each station independently. For that purpose, the period 1991–2010 was subdivided into two intervals for each station; the first one was used to calibrate the model and the second one to validate it and vice versa. Results showed that CLIGEN can be sufficiently used to simulate rainfall and storm pattern parameters.
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Research Article|
October 14 2013
Evaluation of the climate generator model CLIGEN for rainfall data simulation in Bautzen catchment area, Germany
Mustafa Al-Mukhtar;
1Department of Hydrogeologie, Technische Universität Bergakademie Freiberg, 09599 Freiberg, Gustav Zeuner Str.12, Germany
2Building and Construction Engineering Department, University of Technology, Baghdad, Iraq
E-mail: [email protected]
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Volkmar Dunger;
Volkmar Dunger
1Department of Hydrogeologie, Technische Universität Bergakademie Freiberg, 09599 Freiberg, Gustav Zeuner Str.12, Germany
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Broder Merkel
Broder Merkel
1Department of Hydrogeologie, Technische Universität Bergakademie Freiberg, 09599 Freiberg, Gustav Zeuner Str.12, Germany
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Hydrology Research (2014) 45 (4-5): 615–630.
Article history
Received:
April 26 2013
Accepted:
August 28 2013
Citation
Mustafa Al-Mukhtar, Volkmar Dunger, Broder Merkel; Evaluation of the climate generator model CLIGEN for rainfall data simulation in Bautzen catchment area, Germany. Hydrology Research 1 August 2014; 45 (4-5): 615–630. doi: https://doi.org/10.2166/nh.2013.073
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