Abstract

Five catchment areas around Mosul city have been selected ( Khoser , West of Talkief , north of Qayara , Rabeea , and Badosh ) , there were no gauging station for the surface runoff measurements. Unit hydrograph of ( 3 hr ) duration by using three models , Nash , Clark , and Saint-venant are used to draw the hydrograph. The results obtained showed that the Nash and Clark models gave closed results while the ratio between the peak discharge of Saint-venant to peak discharge of Clark and Nash are ( 2.5-27.4 ) , ( 1.14-36.23 ) respectively for different catchment. Key words : IUH ( instantaneous unit hydrograph ) , Nash and Clark models , Ungauged catchment.

Highlights

  • ‫وكذلك لحمایة ارواح السكان والممتلكات التي تتع‬ ‫الجوابي القریبة من مدینة الموصل في العام ‪ 2002‬الى الحاق الكثیر من الاضرار لذا اصبح من الضروري اجراء تخمین‬

  • The results obtained showed that the Nash and Clark models gave closed results while the ratio between the peak discharge of Saint-venant to peak discharge of Clark and Nash are ( 2.5-27.4 ), ( 1.14-36.23 ) respectively for different catchment

  • SAEED , Asimplified Analytical solution of Saint-Venant equations for overland flow

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Summary

Introduction

‫وكذلك لحمایة ارواح السكان والممتلكات التي تتع‬ ‫الجوابي القریبة من مدینة الموصل في العام ‪ 2002‬الى الحاق الكثیر من الاضرار لذا اصبح من الضروري اجراء تخمین‬. Overland flow hydrograph in ungauged Catchment around Mosul city ‫‪ .1‬اشتقاق معادلة عمق الجریان السطحي عند حالة التوازن ‪:‬‬ ‫‪ = h1 t ‬عمق الجریان السطحي في نھایة المجرى المائي = ‪.d‬‬

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