نتایج جستجو برای: nash sutcliffe criterion

تعداد نتایج: 91434  

2016
Chunlin Li Miao Liu Yuanman Hu Jiping Gong Yanyan Xu

As urbanization increases, urban runoff becomes an increasingly more important component of urban non-point pollution. In this study, the Storm Water Management Model was used to simulate the quantity and quality of runoff in a highly urbanized catchment. Data from three rainfall events were collected and used for model calibration and validation. Model performance was assessed using the Nash-S...

Journal: :Entropy 2017
Zhenghong Zhou Juanli Ju Xiaoling Su Vijay P. Singh Gengxi Zhang

Monthly streamflow has elements of stochasticity, seasonality, and periodicity. Spectral analysis and time series analysis can, respectively, be employed to characterize the periodical pattern and the stochastic pattern. Both Burg entropy spectral analysis (BESA) and configurational entropy spectral analysis (CESA) combine spectral analysis and time series analysis. This study compared the pred...

2010
David Felipe Echeverry Pérez

Nash and Walras equilibria have been studied from the angle of differential topology, yielding comparable results about existence and topological structure of equilibrium sets. Following a presentation of such results we shall review results on the Nash implementation of Walrasian equilibria. The purpose of the exercise is twofold: to establish a refinement criterion among multiple Walrasian eq...

2016
Arnab Basu Mrinal K. Ghosh

The infinite horizon risk-sensitive discounted-cost and ergodic-cost nonzero-sum stochastic games for controlled Markov chains with countably many states are analyzed. For the discounted-cost game, we prove the existence of Nash equilibrium strategies in the class of Markov strategies under fairly general conditions. Under an additional geometric ergodicity condition and a small cost criterion,...

Journal: :Discrete Applied Mathematics 2016
Nina Galanter Dennis Silva Jonathan T. Rowell Jan Rychtár

A derangement of a graph G = (V , E) is an injective function f : V → V such that for all v ∈ V , f (v) ≠ v and (v, f (v)) ∈ E. Not all graphs admit a derangement and previous results have characterized graphs with derangements using neighborhood conditions for subsets of V . We establish an alternative criterion for the existence of derangements on a graph. We analyze strict Nash equilibria of...

Journal: :Tikrit Journal of Engineering Science 2023

The limited availability of the recorded rainfall-runoff data for many watersheds restricts development and management different activities water resources. To overcome this limitation, Natural Resources Conservation Service (NRCS) estimating storm excess rainfall momentum optimization methods were combined in a mathematical model to estimate optimal parameters Nash Instantaneous unit hydrograp...

بهرام ثقفیان, حمید طاهری شهرآئینی محمدرضا غفوری,

در این تحقیق مدل HEC-HMS به همراه مدل محاسبه تلفات SMA در شبیه‌سازی جریان روزانه رودخانه کارون در محل ایستگاه هیدرومتری پل شالو مورد ارزیابى قرار گرفته است. برای واسنجی مدل از داده‌های دبی روزانه پنج سال آبی 1371-1370 تا 1375-1374 و برای اعتبار‌سنجی مدل از داده‌های سه سال آبی 1376-1375 تا 1378-1377 استفاده شده است. نتایج نشان‌دهنده تطابق مناسب (R2=0.82) بین داده‌های جریان مش...

Journal: :New Zealand Journal of Geology and Geophysics 1966

حقی زاده, علی, زینی وند, حسین, سلیمانی, لیلا,

The process of infiltration is one of the most important components of the hydrological cycle. On the other hand, the direct measurement of infiltration process is difficult, time spending and expensive. Infiltration models play a main role in managing water resources. Therefore, different types of models with various degrees of complexity were developed to reach this aim.  So, this research ca...

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