نتایج جستجو برای: nash sutcliffe criterion

تعداد نتایج: 91434  

بردی شیخ, واحد, بهره مند, عبدالرضا, حزبی, عبدالجلیل,

Modeling of hydrological processes provides appropriate information for watershed management through a deep and comprehensive insight on watershed systems. In this research a daily basis distributed water balance model for the Chehelchay watershed in the Golestan province in north east of Iran has been developed using the PCRaster GIS and dynamic modelling language. Various components of the wa...

Journal: :Geophysical Research Letters 2023

Rivers and lakes are intrinsically connected waterbodies yet they rarely used to hydrologically constrain one another with remote sensing. Here we begin bridge the gap between river lake hydrology introduction of LakeFlow algorithm. uses river-lake mass conservation observations from Surface Water Ocean Topography (SWOT) satellite provide discharge estimates reservoir inflows outflows. We test ...

Journal: : 2021

Yağış ve akış gibi hidrolojik verilerin tahmini için farklı modellerin geliştirilmesi gelecekte su ile ilgili problemlerle mücadele edebilmek açısından önemlidir. Bu çalışma, Yapay Sinir Ağı (ANN), Otoregresif Bütünleşik Hareketli Ortalama (ARIMA), Dalgacık-ARIMA (WARIMA) WARIMA-ANN modellerinin aylık akım tahmin performanslarını araştırmaktadır. modeller, Türkiye’nin Susurluk havzasındaki iki ...

Journal: :Water 2021

Changes in both land use and rainfall patterns can lead to changes the hydrologic behavior of watershed. The long-term impact analysis (L-THIA) model has been used predict such analyze mitigation scenarios. is simple as only a small amount input data are required, but it direct runoff cannot determine streamflow. This study, therefore, aimed propose method for predicting monthly baseflow while ...

Journal: :Physical review 2022

Black holes carrying a magnetic monopole charge are subject of interest for long time. In this work we explore the possibility an observational evidence such black monopole, namely Bardeen rotating holes. We derive theoretical spectrum from accretion disk surrounding hole using thin-disk approximation. compare theoretically derived in comparison to optical data eighty Palomar Green quasars cons...

Journal: :تحقیقات اقتصادی 0
قهرمان عبدلی دانشیار دانشکده‎ی اقتصاد دانشگاه تهران احمد غلامی دانشجوی دکتری اقتصاد دانشگاه تهران

in iran’s system of tripartite collective bargaining, does the wage-policy maker consistently react optimally to the best move made by the exchange rate-policy maker (nash-rule) or only to the state of economy (non-nash rule)?. this paper not only investigates the nature of the political game (nash rule against non-nash rule) but also estimates some structural parameters by using 2sls method an...

Journal: :Water 2022

In this study, the viability of radial M5 model tree (RM5Tree) is investigated in prediction and estimation daily streamflow a cold climate. The RM5Tree compared with (M5Tree), artificial neural networks (ANN), basis function (RBFNN), multivariate adaptive regression spline (MARS) using data two stations from Sweden. accuracy methods assessed based on root mean square errors (RMSE), absolute (M...

Journal: :Jurnal Teknik Pertanian 2022

The calculation of crop productivity has now been facilitated by technological development using remote sensing technology or data generated satellites. Determining the value images will shorten time and does not require much effort. A model that connects satellite image reflectance with rice plant parameters be handy for monitoring biomass growth predicting yields more quickly efficiently. Thi...

Journal: :Water Science & Technology: Water Supply 2021

Abstract There are many empirical, semi-empirical and mathematical methods that have been developed to estimate sediment yield by researchers. In the last decades, advancement in computer technologies has increased use of models as they can solve system more rapidly accurately. The Soil Water Assessment Tool (SWAT) is one physically based hydrological preferred compute yield. this study, spatia...

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