نتایج جستجو برای: flood hazard
تعداد نتایج: 86548 فیلتر نتایج به سال:
Flood damage assessment is a key component in the development of city flood risk management strategies. A flood damage assessment model is being developed by combining flood hazard information (depth, extent, velocity, duration, etc.) with geographic information (land use/cover, buildings, infrastructure, etc.), social-economic data and population demographics to estimate urban flood impacts. I...
Abstract. Riverine flood hazard is the consequence of meteorological drivers, primarily precipitation, hydrological processes and interaction floodwaters with floodplain landscape. Modeling this can be particularly challenging because multiple steps differing spatial scales involved in varying processes. As climate modeling community increases their focus on risks associated change, it importan...
هدف از اجرای این طرح بررسی محیط زمین شناسی شهر زاهدان و تعین زمین شناسی زیست محیطی شهر جهت رفع مشکلات مربوط به بلایای طبیعی و الودگی ها می باشد.
Flood mitigation measures implemented by private households have become an important component of contemporary integrated flood risk management in Germany and many other countries. Despite the growing responsibility of private households to contribute to flood damage reduction by means of private flood mitigation measures, knowledge on the long-term development of such measures, which indicates...
One of the reasons that insurers refused to cover residential flood risk in the United States in the 1960s was their inability to properly quantify their exposure. Their refusal led to the creation in 1968 of the federally run National Flood Insurance Program (NFIP). The development of catastrophe models in recent years has refined insurers’ ability to assess flood hazard much more effectively ...
The study aims to investigate the use of panchromatic (PAN) satellite image data for flood hazard assessment with an aid of various digital image processing techniques. Two SPOT PAN satellite images covering part of the Nile River in Egypt were used to delineate the flood extent during the years 1997 and 1998 (before and after a high flood). Three classification techniques, including the contex...
introduction flood is an inevitable natural phenomenon occurring from time to time in all rivers and natural drainage systems, which not only damages the lives, natural resources and environment, but also causes the loss of economy and health. so estimation and prediction flood hazard is very important spatially in the watersheds without measurement station. there are many models in the water a...
Currently, a shift from classical flood protection as engineering task towards integrated flood risk management concepts can be observed. In this context, a more consequent consideration of extreme events which exceed the design event of flood protection structures and failure scenarios such as dike breaches have to be investigated. Therefore, this study aims to enhance existing methods for haz...
A holistic perspective on changing river flood risk in Europe is provided. Economic losses from floods have increased, principally driven by the expanding exposure of assets at risk. Climate change (i.e. observed increase in precipitation intensity, decrease of snowpack and other observed climate changes) might already have had an impact on floods. However, no gauge-based evidence had been foun...
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