docEvaluation of the HBV-IWW hydrological model of the Tagus basin
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Evaluation of the HBV-IWW hydrological model of the Tagus basin
LEIBNIZ UNIVERSITY HANNOVER Institute of Water Resources Management, Hydrology and Agricultural Hydraulic Engineering (WAWI) ISIMIP: Evaluation of the HBV-IWW hydrological model of the Tagus basin S. Plötner, M. Wallner, U. Haberlandt 30/07/2014, Hannover 1 Chapter 1 Data Table 1.1: Overview of the used data for the Tagus basin River basin Outlet Meteorology Discharge Topography Landuse Soil Lakes & Reservoirs Tagus Almourol WFD GRDC SRTM v.4 GLC2000 v.1.1 HWSD v.1.2 GLWD Table 1.2: Overall calibration and validation periods for the Tagus basin, due to progressive calibration approach all available gauges within the main stream are calibrated. Potential time gaps of missing data in individual runoff time series are not displayed. Model ∆t Basin gauge HBV- daily Tagus Almourol IWW Calibration 01/10/1978 - 28/02/1981 Validation 01/10/1977 - 30/09/1978 and and 01/10/1987 - 30/09/1990 01/03/1981 - 30/09/1986 II 2 Chapter 2 Tagus basin 0.9 NSE 0.8 0.7 0.6 0.5 0.4 0.3 DDcal DDval MDcal MDval MAcal MAval Figure 2.1: Nash-Sutcliffe-Efficiency boxplot of all runoff gauges within the Tagus basin for daily (DD) and monthly dynamics (MD) and monthly averages (MA) for the calibration (cal) and validation period (val). calibration only done at Trillo and Almourol gauges on daily timestep. on monthly timestep all gauges with additional monthly data are used for validation. Values larger or smaller than 1.5 times the interquartile range are marked as outliers. Mean (red dots), outliers (grey dots). PBIAS 0 −5 −10 −15 DDcal DDval MDcal MDval MAcal MAval Figure 2.2: Percent bias boxplot of all runoff gauges within the Tagus basin for daily (DD) and monthly dynamics (MD) and monthly averages (MA) for the calibration (cal) and validation period (val). calibration only done at Trillo and Almourol gauges on daily timestep. on monthly timestep all gauges with additional monthly data are used for validation. Values larger or smaller than 1.5 times the interquartile range are marked as outliers. Mean (red dots), outliers (grey dots). III 2 Tagus basin Table 2.1: Criteria of fit at gauge Almourol, the outlet gauge of the Tagus basin for the calibration and validation period. Tagus Almourol NSE Daily dynamics 0.86 -2.5 0.76 -3.2 Monthly dynamics 0.97 -2.6 0.91 -3.2 Monthly averages 0.96 -2.6 0.90 -3.2 Calibration PBIAS in % NSE Validation PBIAS in % IV 14 13 8°0’0"W 7°0’0"W European Lambert Conformal Conic coordinate system: 0 VILA VELHA DE RODAO ALMOUROL ALCANTARA BELVER 12 9°0’0"W 50 10 11 100 6°0’0"W 9 200 TALAVERA 5°0’0"W 8 6 5 7 300 4°0’0"W 1:3.000.000 3 staion name: Almourol Tejo basin 4 2 400 TRILLO 3°0’0"W km 1 PERALEJOS 2°0’0"W 39°0’0"N 40°0’0"N 41°0’0"N 42°0’0"N Institute of Water Resources Management, Hydrology and Agricultural Hydraulic Engineering (WAWI) eMail: ploetner@iww.uni-hannover.de Dipl.-Hydrol. Stefan Plötner Reservoirs: GLWD Global Lakes and Wetlands Database Hydro: GRDC Global Runoff Data Center Meteo: WFD Watch Forcing Data References: River Network Subbasins GLWD Reservoirs GRDC Stations WFD Raster Centers Legend 2 Tagus basin Figure 2.3: River Network of the Tagus basin derived from a SRTM 90 m DEM dataset resampled to 250 m grid resolution. V Runoff in m³/s Runoff in m³/s 0 Jan 10 20 30 40 50 60 70 0 20 40 60 80 100 120 0 50 100 150 200 Runoff in m³/s Feb 1979 1979 Mar Apr May Jun Jul calibration − monthly averages 1980 calibration − monthly dynamics 1980 calibration − daily dynamics Aug Sep Oct NSE: 0.95 NSE: 0.96 NSE: 0.84 Nov PBIAS: −0.6% 1981 PBIAS: −0.9% 1981 PBIAS: −1.4% Dec Jan Trillo: 1978 1978 Feb Mar Apr 1979 1979 May Jun Jul validation − monthly averages 1980 validation − monthly dynamics 1980 validation − daily dynamics Aug 1981 1981 Sep Oct NSE: 0.84 1982 NSE: 0.93 1982 NSE: 0.85 Nov PBIAS: −10.7% PBIAS: −8.7% PBIAS: −8.6% Dec 2 Tagus basin Figure 2.4: Model performance between observed (black) and simulated runoff (red) within calibration and validation period at gauge Trillo for daily and monthly dynamics and monthly averages. VI Runoff in m³/s Runoff in m³/s Runoff in m³/s 0 Jan 200 400 600 800 1000 1200 1400 1600 0 500 1000 1500 2000 2500 3000 3500 0 1000 2000 3000 4000 5000 6000 7000 8000 9000 Feb 1988 1988 Mar Apr May Jun Jul calibration − monthly averages 1989 calibration − monthly dynamics 1989 calibration − daily dynamics Aug Sep 1990 1990 Oct NSE: 0.96 NSE: 0.97 NSE: 0.86 Nov PBIAS: −2.6% PBIAS: −2.6% PBIAS: −2.5% Dec Jan Almourol: Feb 1983 1983 Mar Apr 1984 1984 May Jun Jul validation − monthly averages 1985 validation − monthly dynamics 1985 validation − daily dynamics Aug Sep Oct NSE: 0.9 1986 NSE: 0.91 1986 NSE: 0.76 Nov PBIAS: −3.2% PBIAS: −3.2% PBIAS: −3.2% Dec 2 Tagus basin Figure 2.5: Model performance between observed (black) and simulated runoff (red) within calibration and validation period at gauge Almourol for daily and monthly dynamics and monthly averages. VII 0 Jan 50 100 150 200 0 100 200 300 400 500 600 700 800 900 Feb 1975 1976 Mar 1977 Apr 1978 1979 May Talavera: 1981 1982 1983 Jun Jul validation − monthly averages 1980 validation − monthly dynamics Aug 1984 Sep 1985 Oct Nov PBIAS: −4.2% 1988 PBIAS: −5% 1987 NSE: 0.77 1986 NSE: 0.7 Dec 2 Tagus basin Figure 2.6: Model performance for additional monthly data between observed (black) and simulated runoff (red) within validation period at gauge Talavera for monthly dynamics and averages. VIII 0 Jan 100 200 300 400 500 600 0 500 1000 1500 2000 2500 3000 Feb 1975 Mar 1976 Apr 1977 1978 May Alcantara: 1980 1981 Jun Jul validation − monthly averages 1979 validation − monthly dynamics Aug 1982 Sep 1983 Oct NSE: 0.7 1984 NSE: 0.8 Nov PBIAS: −5.7% 1985 PBIAS: −5.7% Dec 2 Tagus basin Figure 2.7: Model performance for additional monthly data between observed (black) and simulated runoff (red) within validation period at gauge Alcantara for monthly dynamics and averages. IX Nov PBIAS: −4.9% Jan 0 50 100 150 200 250 300 350 400 0 100 200 300 400 500 600 Feb Mar Apr May Jun Jul validation − monthly averages 1975 Belver: validation − monthly dynamics Aug Sep Oct NSE: 0.39 NSE: 0.49 PBIAS: −4.9% Dec 2 Tagus basin Figure 2.8: Model performance for additional monthly data between observed (black) and simulated runoff (red) within validation period at gauge Belver for monthly dynamics and averages. X
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