11 Nov 2016
11 Nov 2016
Bias Correction of Satellite-Based Rainfall Estimates for Modeling Flash Floods in Semi-Arid regions: Application to Karpuz River, Turkey
- 1Geology Department, Faculty of Science, Assiut University, Assiut 71516, Egypt
- 2Department of Geological Engineering, Middle East Technical University, 06800, Ankara, Turkey
- 3Water Resources Research Center, DPRI, Kyoto University, Goka-sho, Uji City, Kyoto 611-0011, Japan
- 1Geology Department, Faculty of Science, Assiut University, Assiut 71516, Egypt
- 2Department of Geological Engineering, Middle East Technical University, 06800, Ankara, Turkey
- 3Water Resources Research Center, DPRI, Kyoto University, Goka-sho, Uji City, Kyoto 611-0011, Japan
Abstract. This study investigates the utility of gauge-corrected satellite-based rainfall estimates in simulating flash floods at Karpuz River - a semi-arid basin in Turkey. Global Satellite Mapping of Precipitation (GSMaP) product was evaluated with the rain gauge network at monthly and daily time-scales considering various time periods and rainfall rate thresholds. Statistical analysis indicated that GSMaP shows acceptable linear correlation coefficient with rain gauges however suffers from significant underestimation bias. A rainfall rate threshold of 1 mm/month was the best choice to improve the match between GSMaP and rain gauges implying that appropriate threshold selection is critically important for the bias correction. Multiplicative bias correction was applied to GSMaP data using the bias factors calculated between GSMaP and observed rainfall. Hydrological River Basin Environmental Assessment Model (Hydro-BEAM) was used to simulate flash floods at the hourly time scale driven by the corrected GSMaP rainfall data. The model parameters were calibrated for flash flood events during October-December 2007 and then validated for flash flood events during October-December 2009. The results show that the simulated surface runoff hydrographs reasonably coincide with the observed hydrographs.
Mohamed Saber and Koray Yilmaz


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RC1: 'Bias Correction of Satellite-Based Rainfall Estimates for Modeling Flash Floods in Semi-Arid regions: Application to Karpuz River, Turkey', Anonymous Referee #1, 19 Dec 2016
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AC1: 'Response_AC1', Mohamed Saber, 10 Feb 2017
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AC1: 'Response_AC1', Mohamed Saber, 10 Feb 2017
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RC2: 'review', Anonymous Referee #2, 02 Jan 2017
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AC2: 'Response_AC2', Mohamed Saber, 10 Feb 2017
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AC2: 'Response_AC2', Mohamed Saber, 10 Feb 2017


-
RC1: 'Bias Correction of Satellite-Based Rainfall Estimates for Modeling Flash Floods in Semi-Arid regions: Application to Karpuz River, Turkey', Anonymous Referee #1, 19 Dec 2016
-
AC1: 'Response_AC1', Mohamed Saber, 10 Feb 2017
-
AC1: 'Response_AC1', Mohamed Saber, 10 Feb 2017
-
RC2: 'review', Anonymous Referee #2, 02 Jan 2017
-
AC2: 'Response_AC2', Mohamed Saber, 10 Feb 2017
-
AC2: 'Response_AC2', Mohamed Saber, 10 Feb 2017
Mohamed Saber and Koray Yilmaz
Mohamed Saber and Koray Yilmaz
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Cited
8 citations as recorded by crossref.
- Impacts of Triple Factors on Flash Flood Vulnerability in Egypt: Urban Growth, Extreme Climate, and Mismanagement M. Saber et al. 10.3390/geosciences10010024
- Vulnerability assessment for flash floods using GIS spatial modeling and remotely sensed data in El-Arish City, North Sinai, Egypt S. Mohamed & M. El-Raey 10.1007/s11069-019-03571-x
- Evaluation of sub daily satellite rainfall estimates through flash flood modelling in the Lower Middle Zambezi Basin T. Matingo et al. 10.5194/piahs-378-59-2018
- Evaluation of TRMM 3B42V7 and CHIRPS Satellite Precipitation Products as an Input for Hydrological Model over Eastern Nile Basin H. Abdelmoneim et al. 10.1007/s41748-020-00185-3
- Comprehensive comparison of daily IMERG and GSMaP satellite precipitation products in Ardabil Province, Iran F. Aslami et al. 10.1080/01431161.2018.1539274
- Evaluation and Bias Correction of CHIRP Rainfall Estimate for Rainfall-Runoff Simulation over Lake Ziway Watershed, Ethiopia D. Goshime et al. 10.3390/hydrology6030068
- A Hydrological and Geomorphometric Approach to Understanding the Generation of Wadi Flash Floods 10.3390/w9070553
- A new approach for bias adjustment of IMERG remotely sensed snowfall product L. Sadeghi et al. 10.1007/s00704-020-03420-z