نتایج جستجو برای: scs curve number

تعداد نتایج: 1282796  

2014
Ji-Hong Jeon Kyoung Jae Lim Bernard A. Engel

Estimating surface runoff for ungauged watershed is an important issue. The Soil Conservation Service Curve Number (SCS-CN) method developed from long-term experimental data is widely used to estimate surface runoff from gaged or ungauged watersheds. Many modelers have used the documented SCS-CN parameters without calibration, sometimes resulting in significant errors in estimating surface runo...

Journal: :journal of rangeland science 0
nafiseh moghadasi gorgan university of agricultural sciences and natural resources iman karimiraf university of tehran vahedberdi sheikh gorgan university of agricultural sciences and natural resources

extensive flood damages all over the world necessitate its control and operation. hydrologic impacts of land use change appear in many ways such as total runoff, and flood peak flow. this study was performed in 2014 and aimed to investigate the impacts of land use changes on the occurrence of floods in the catchment of boostan dam in golestan province, iran. for this purpose, watershed modeling...

Journal: :desert 2011
f. daliri h.s. seraji m. kholghi h. ahmadi

the main goal of this paper is to propose a new practical method for hydrologic soil group estimation in surface runoff process based on geomorphology facieses and slop. the determination of cn based on this method can reduce the time and cost of project. in this research the upstream rivers of glinak watershed have been used as a case study to examine the efficiency of proposed method with a c...

2001
R. S. KUROTHE B. S. MATHUR

The physically-based flood frequency models use readily available rainfall data and catchment characteristics to derive the flood frequency distribution. In the present study, a new physically-based flood frequency distribution has been developed. This model uses bivariate exponential distribution for rainfall intensity and duration, and the Soil Conservation Service-Curve Number (SCS-CN) metho...

Journal: :Journal of Korea Water Resources Association 2005

2015
K. Satish Kumar

Hydrological models are the simplified, conceptual and mathematical description of rainfall, runoff, oceans, rivers, groundwater, snow etc. Rainfall-runoff modeling in the broader sense a hydrological, mathematical model gives a detailed account of Rainfall-Runoff relationships of a catchment area or watershed. Conversion of rainfall into runoff takes place in the modelling. There are many meth...

Journal: :Water 2023

The Curve Number (CN) rainfall–runoff model is a widely used method for estimating the amount of rainfall and runoff, but its accuracy in predicting runoff has been questioned globally due to failure produce precise predictions. was developed by United States Department Agriculture (USDA) Soil Conservation Services (SCS) 1954, data documentation about development are incomplete, making it diffi...

Journal: :Revista de Ciências Ambientais 2021

Knowing the maximum flow and its return period is extremely important for safely dimension hydraulic projects flood prediction control also water erosion prediction. Thus, this study aimed to evaluate Capivari river watershed flow, located in south of Santa Catarina, that has a flooding history. The method used was United States Soil Conservation Service (SCS) Triangular Unit Hydrogram (current...

2016
Paul Verrills Chantelle Sinclair Adele Barnard

Spinal cord stimulation (SCS) applications and technologies are fast advancing. New SCS technologies are being used increasingly in the clinical environment, but often there is a lag period between the clinical application and the publishing of high-quality evidence on safety and efficacy. Recent developments will undoubtedly expand the applicability of SCS, allowing more effective and individu...

Journal: :Molecular endocrinology 2013
Jean-Luc Pitetti Pierre Calvel Céline Zimmermann Béatrice Conne Marilena D Papaioannou Florence Aubry Christopher R Cederroth Françoise Urner Betty Fumel Michel Crausaz Mylène Docquier Pedro Luis Herrera François Pralong Marc Germond Florian Guillou Bernard Jégou Serge Nef

Testis size and sperm production are directly correlated to the total number of adult Sertoli cells (SCs). Although the establishment of an adequate number of SCs is crucial for future male fertility, the identification and characterization of the factors regulating SC survival, proliferation, and maturation remain incomplete. To investigate whether the IGF system is required for germ cell (GC)...

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