Comparing The Performance Of Two Hydrological Models, IHACRES And GR2M For Simulating Monthly Flow Of Dareh-Takht Basin

علوم و مهندسی آبیاری

fatemeh zandi daregharibi¹  Nasim Arman²  Malihe Mozayan²  Zohreh Khorsandi³ 

[1] Behbahan ‌Khatam Alanbia;استادیارگروه مرتع و آبخیزداری، دانشکده منابع طبیعی، دانشگاه صنعتی خاتم الانبیاء بهبهان.;عضو هیات علمی دانشگاه صنعتی خاتم الانبیا بهبهان;

关键词: simulation;    hydrological model;    gr2m;    ihacres;    dareh-takht basin;   

DOI  :  10.22055/jise.2017.13169

来源: DOAJ

【 摘 要 】

Modeling of the rainfall-runoff process is important. The Results of the rainfall-runoff models have been used directly on issues such as water resource management, flood control and design of hydraulic structures. According to variety of accessible rainfall runoff models, selecting an appropriate model for a basin is important in terms of productivity and water resources management. In this study the performance of two rainfall–runoff models, IHACRES and GR2M in simulation of monthly flow were evaluated in Darhe Tkaht basin between 2000 and 2013 time. The models in the study region were calibrated and validated. The error between observed and simulated flow values was estimated based on the criteria Nash, root mean square error and the total flow volume error. Simulations is indicative satisfactory performance of two models in monthly flow simulation. In addition, the results show that the HACRES model simulate monthly flow with The Nash coefficient 0.7 and RMSE 0.56, better than the GR2M model.

【 授权许可】

Unknown