نتایج جستجو برای: مدل nays 2d flood
تعداد نتایج: 225665 فیلتر نتایج به سال:
Among the various factors that contribute to flood risk, heavy storms, inadequate storm drainage systems, and the concentration of population and assets have usually been considered to be fundamental factors affecting flood damage. Climate change is also a real threat, bringing heavier and more frequent storms. This study presents a methodology for comparatively evaluating the impact of the flo...
The worsening condition of floods in Malaysia, in terms of frequency and impact, calls for improvement in all aspects of flood management. In addition to technology enhancement of, and developing expertise, it is hoped that improvement on the governance of flood management could alleviate the problems relating to floods. Governance of flood management aims to address the issues related to flood...
flood risk zonation is necessary to control and predict the amplitude of flood damage.the purpose of this research is to evaluate the rate of flood risk vulnerability and the flood damage assessment in tabriz. specific variables of this study are land use , population density , river beds , slope classes residential density , cn coefficient , runoff coefficient , open spaces and old buildings.m...
Abstract. The French Riviera is very often threatened by flash floods. These hydro-meteorological events, which are fast and violent, have catastrophic consequences on life property. development of forecasting tools may help to limit the impacts these extreme events. Our purpose here demonstrate possibility using b-flood (a subset Basilisk library http://basilisk.fr/, last access: 8 November 20...
تعیین تغییرات رطوبت ایجاد شده با یک منبع خطی زیرزمینی و شبیه سازی آن با مدل های عددی، تحلیلی و تجربی
کشاورزی و بخش آبیاری آن برای استخراج، انتقال و توزیع آب نیاز به انرژی زیاد دارد. یکی از راه های کاهش هزینه های مربوط به انرژی،دانستن نحوه پخش و توزیع آب در خاک است. امروزه مدل های مختلفی برای برآورد توزیع و تغییر رطوبت در خاک بعد از انجام آبیاری وجود دارد. در این تحقیق عملکردمدل عددی hydrus-2d در برآورد تغییرات رطوبت و عملکرد مدل تجربی ملایی کندلوس و همکاران، مدل تحلیلی wetup و مدل عددی hydrus-...
An exhaustive knowledge of flood risk in different spatial locations is essential for developing an effective flood mitigation strategy for a watershed. In the present study, a risk-vulnerability analysis to flood is performed. Four components of vulnerability to flood: 1) physical, 2) economic, 3) infrastructure and 4) social; are evaluated individually using a Geographic Information System (G...
Floods are one of the most common hazards in the world, affect ing people’s lives and livelihoods. Flood hazard mapping and flood shelters suitability analysis are v ital elements in appropriate land use planning for flood-prone areas. This paper describes application of Remote Sensing (RS) and Geographical Information Systems (GIS) in identifying flood hazard zones and flood shelters and are t...
this thesis aims at putting together two of the vestest areas of study there is in humanities: bioethics and literature. the two novels in question, oryx and crake and the year of the flood, are considered as some of the most succssful examples of spculative fiction. in these novels the biological and environmental issues raised as looked at from a bioethics point of view.
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