Comparing the Response Characteristics and Volumetric Water Balance in Three Unit Hydrograph Methods (A case study: Vanak Basin)

Document Type : Research Article



2 Assistant Professor, Department of Water Engineering, Shahrekord University, Shahrekord,

3 Academic member


Unit Hydrograph is a method for flood hydrograph simulation resulting n response to a unit of excess rainfall on the basin. The theory for unit hydrograph is based on two systematic principles called superposition and proportionality. So far several methods of unit hydrograph has been developed which show different responses and functionalities under local conditions of the basin. In this study we used a continuous hydrologic simulation from HEC-HMS model to compare the performance of three unit SMA algorithm and linear reservoir were selected as loss and base-flow functions of the basin, respectively. The flood hydrograph and its specifications including peak discharge and runoff volume were derived using three ways of Snyder, Clark and SCS methods. To compare the performance of models the Nash - Sutcliffe Efficiency was considered as as the objective function. Parameterization and validation of the hydrological parameters were done by changing parameters manually and a applying a trial-error method. Results showed for all three methods the percent of differences between the simulated and observed volumes for runoff was quite very close to each other. While in term of peak flows, the Clarke unit hydrograph method showed the best agreement between the simulated and observed peak discharges.


Main Subjects

[1]. Teimoori Moghadam AR, Rahnama GhA, Ahmadian M. Calibration of hydrological HEC-HMS model in rainfall-runoff simulation for Mahidasht catchment. The National Conference on Water Crisis Management. Islamic Azad University of Marvdasht. 2009. [Persian].
[2]. Chu X, ASCE AM, Steinman A. Event and Continuous Hydrologic Modeling with HEC-HMS. Journal of Irrigation and Drainage Engineering. 2009; (135): 119-124.
[3]. Nastiti KD, Kim Y, Jang K, An H. The application of Rainfall-Runoff-Inundation (RRI) model forinundation case in upper Citarum Watershed, West Java-Indonesia. Procedia Engineering. 2015; (125): 166-172.
[4]. Neshat A, and Sedghi H. Runoff Estimation in Bagh Malek Watershed (Khozestan) Using SCS Method and HEC-HMS Model. Journal Agricultural Sciences. Islamic Azad University. 2006; 12(4). [Persian].
[5]. Arekhi S. Runoff modeling by HEC-HMS Model (Case Study: Kan watershed, Iran). International Journal of Agriculture and Crop Science. 2012; 4(23): 1807-1811.
[6]. Wang M, Zhang L, Baddoo TD. Hydrological Modeling in A Semi-Arid Region Using HEC-HMS.Journal of Water Resource and Hydraulic Engineering. 2016; 5(3): 105-115.
[7]. Karimi M, Maleki Nezhad H, Abghari H, Azizian MS. Assessment of Different Methods for Flood Hydrograph Simulation using HEC-HMS package (Case study: watershed Chehelgazi). Iranian Water Research Journal. 2011; 5(9): 29-38. [Persian].
[8]. Chidaz A, Saravi MM, Vafakhah M. Evaluating the HEC-HMS Model for Estimating Flood Hydrograph in Kasilian Basin.Watershed Management Researches (Pajouhesh and Sazandegi). 2009; (84): 59-71. [Persian].
[9]. Akhond-Ali AM, and Seyyed Kaboli H. Evaluation of SCS and Clark Unit Hydrograph Methods to Simuhate Flood Events in Kasilian Basin. Fifth National Conference on Watershed Management Science and Engineering Iran, Karaj, Iran Watershed Association. 2009. [Persian].
[10].            Mason JI. Analysis of major hydrologic events in ascension parish, la. Thesis of Department of Civil and Environmental Engineering. 2011.
[11].            Walega A, Grzebinoga M, Paluszkiewicz B. On using the Snyder and clark unit hydrograph for calculations of flood waves in a highland catchment (The Grabinka River Example). ACTA Scientiarum Polonorum. 2011; 10(2): 47-56.
[12].            Azam M, Kim HS, Maeng SJ. Development of flood alert application in Mushim stream watershed Korea. International Journal of Disaster Risk Reduction. 2017; 21: 11-26.
[13].            Ghafouri MR, Taheri Shahraiyni H, Saghafian B. Modeling of Continuous Daily Runoff for Karoon River using SMA Loss Function. Iran-Water Resources Research. 2013; 9(2): 73-77. [Persian].
[14].            Rostamian R, Jaleh A, Afyuni M, Mousavi F, Heidarpour M, Jalalian A, Abbaspour K. Application of a SWAT model for estimating runoff and sediment in two mountainous basins in central Iran. Hydrological Sciences Journal. 2008; 53(5): 977-988.
[15].            Agriculture and Regional Development Consulting Engineers, A Feasibility ad Management Study on Renewable Resources of Vanak Basin. 2003. [Persian].
[16].            Gautam NP. Flow routing with Semi-distributed hydrological model HEC- HMS incase of Narayani River Basin. Journal of Institute Of Engineering. 2014; 10(1): 45-58.
[17].            Khoi DN. Comparision of the HEC-HMS and SWAT hydrological models in simulating the stream flow. Journal of Science and Technology.2016; 53 (5A): 189-195.
[18].            Oleyiblo JO, and Li Z. Application of HEC-HMS for flood forecasting in Misaiand Wan’an catchments in China. Water Science and Engineering. 2010; 3(1): 14-22.
[19].            Reshma T, Venkata Reddy K, Deva P. Simulation of Event Based Runoff Using HEC-HMS model for an Experimental Watershed. International Journal of Hydraulic Engineering. 2013; 2(2): 28-33.
[20].            Halwatura D, and Najim MMM. Application of the HEC-HMS model for runoff simulation in a tropical catchment.  Environmental Modelling and Software. 2013; 46: 155-162.
[21].            Yousefi Mobarhan E, Farahmand N, Fahim N, Fahim E. Efficiency of Flow Duration Curves Method for Verification of a Hydrological Model (Case Study: Zola-Chay Watershed). Journal of Soil and Water. 2016; 26(2): 101-113. [Persian].
[22].            Roy D, Begam S, Ghosh S, Jana S. Calibration and validation of HEC-HMS model for a river basin in Eastern India. ARPN Journal of Engineering and Applied Sciences. 2013; 8(1).
[23].            Mobaraki J, Mohammadi Y, Abghari H. Evaluation the impact The effect of excess rainfall duration on the efficiency of Snyder unit-hydrograph in Emame watershed. Fifth National Conference on Watershed Management Science and Engineering, Karaj, Iranian Watershed Association. 2009. [Persian].
[24].            Barkhordari J, Telvari A, Ghiassi N, Rastegar H. A study on ability of uses and assessment of synthetic unit hydrograph in flood estimation in Sikhoran watershed, Hormozgan province. Pajouhesh and Sazandegi. 2006; 19(2): 57-65. [Persian].
[25].            Curtis Weaver J. Methods for Estimating Peak Discharges and Unit Hydrographs for Streams in the City of Charlotte and Mecklenburg County, North Carolina. Water Resources Investigations Report 03-4108. 2003; p55.
[26].            Majidi A, Moradi M, Vagharfard H, Purjenaie A. Evaluation of Synthetic Unit Hydrograph (SCS) and Rational Methods in Peak Flow Estimation (Case Study: Khoshehaye Zarrin Watershed, Iran). International Journal of Hydraulic Engineering. 2012. 1(5): 43-47.
[27].            Choudhari K, Panigrahi B, Chandra P. Simulation of rainfall-runoff process using HEC-HMS model for Balijore Nala watershed, Odisha, India. International Journal of Geomatics and Geosciences. 2014; 5(2).
[28].            US Army Corps of Engineers. Hydrologic modeling system HEC-HMS: User’s Manuals version 4.2. Hydrologic Engineering Center. 2016.
[29].            Cunderlik J, and Simonovic SP. Calibration, Verification and Sensitivity Analysis of the HEC-HMS hydrologic model CFCAS Project: Assessment of Water Resources Risk and Vulnerability to Changing Climatic Condition: Water Resources Research Report. Assessment of Water Resources Risk and Vulnerability to Changing Climatic Conditions. Project Report IV. 2004.
[30].            Walega A. Application of HEC-HMS programme for thereconstruction of a flood event in an uncontrolledbasin. Journal of Water and Land Development. 2013; 18(I-VI): 13-20.
[31].            Yao C, Chang L, Ding J, Li Z, An D. Evaluation of the effects of underlying surface change oncatchment hydrological response using the HEC-HMS model. Evolving Water Resources Systems: Understanding, Predicting and Managing Water Society Interactions Proceedings of ICWRS. 2014; IAHS Publ. 364.
[32].            Khaleghi MR, Gholami V, Ghodusi J, Hosseini H. Efficiency of the geomorphologic instantaneous unit hydrograph method in flood hydrograph simulation. Catena. 2011; 87: 163–171.
[33].            Yousef Mobarhan E, Abghari M, Erfanian M. Investigation and Calibration of Hydrological Parameters of HMS-SMA at Different Time Scales for rainfall-runoff Modeling. Watershed Management Research (Pajouhesh and Sazandegi). 2013; (101): 79-87. [Persian].
[34].            Nash JE, Sutcliffe JV. River flow forecasting through conceptual models 1: a discussion of principles, Journal of Hydrology, 1979; 10: 282-290.
[35].            Sintayehu LG. Application of the HEC-HMS Model for Runoff Simulation of Upper Blue Nile River Basin. Hydrology: Current Research. 2015; 6(2).
[36].            Mathevet T, Michel C, Andreassian V, Perrin C. A bounded version of the Nash-Sutcliffe criterion for better model assessment on large sets of basins. Large Sample Basin Experiments for Hydrological Model Parameterization: Results of the Model Parameter Experiment-MOPEX. 2006; IAHS Publ. 307.
Volume 5, Issue 2
July 2018
Pages 373-385
  • Receive Date: 28 April 2017
  • Revise Date: 28 May 2017
  • Accept Date: 06 June 2017
  • First Publish Date: 22 June 2018