NDLI: Rainfall-runoff Modeling in a Watershed Scale Using an Object Oriented Approach Based on the Concepts of System Dynamics

Content Provider	Springer Nature Link
Author	Ghashghaei, Maryam Bagheri, Ali Morid, Saeed
Copyright Year	2013
Abstract	Relying on a linear causal thinking, most of the hydrological models fail to incorporate socio-economic characteristics of a watershed with hydrological and environmental attributes. Based on a systems thinking philosophy, the paper aims to adopt an Object-Oriented (OO) approach based on the concepts of System Dynamics (SD) such as stocks and flows to analyze the dynamics in a hydrological system in a watershed scale. Object-Oriented modeling is a way to organize data into discrete, recognizable entities called objects. These objects could be concrete (such as a river reach) or conceptual (such as a policy decision). In the present paper, VENSIM PLE has been used for the modeling purpose. The application was illustrated in an Iranian watershed. The model was examined using validity and verifying tests. The results showed that the model is capable of generating the monthly runoff quite well. The values of R$^{2}$ are 0.69 and 0.61 for generated discharge values at Polchehr and Doab stations respectively. Also the values of NSE are 0.66 and 0.64 for estimated discharge values at the same stations. The capability of model was more clarified comparing R$^{2}$ and NSE coefficients obtained by a SWAT model with those obtained by Watershed Hydrological Model developed in this study.
Starting Page	5119
Ending Page	5141
Page Count	23
File Format	PDF
ISSN	09204741
Journal	Water Resources Management
Volume Number	27
Issue Number	15
e-ISSN	15731650
Language	English
Publisher	Springer Netherlands
Publisher Date	2013-11-05
Publisher Institution	European Water Resources Association (EWRA)
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Object Oriented modeling System dynamics IWRM Rainfall-runoff Iran Hydrogeology Geotechnical Engineering & Applied Earth Sciences Atmospheric Sciences Civil Engineering Environment
Content Type	Text
Resource Type	Article
Subject	Water Science and Technology Civil and Structural Engineering

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