نتایج جستجو برای: flood modeling

تعداد نتایج: 411190  

Journal: :international journal of environmental research 0

the management and analysis of flood hazards is of great socio- economic and ecological importance as it was estimated that 50 percent of word’s population resides and works within the costal zone till 2030. the management of coastal flood hazard reflects the cumulative effects and criteria more than the human mind can handle effectively. the flood management requires decision making for rela...

Journal: :Risk analysis : an official publication of the Society for Risk Analysis 2011
Teun Terpstra

Despite the prognoses of the effects of global warming (e.g., rising sea levels, increasing river discharges), few international studies have addressed how flood preparedness should be stimulated among private citizens. This article aims to predict Dutch citizens' flood preparedness intentions by testing a path model, including previous flood hazard experiences, trust in public flood protection...

Journal: :Remote Sensing 2015
Nengcheng Chen Lianjie Zhou Zeqiang Chen

Remote sensing plays an important role in flood mapping and is helping advance flood monitoring and management. Multi-scale flood mapping is necessary for dividing floods into several stages for comprehensive management. However, existing data systems are typically heterogeneous owing to the use of different access protocols and archiving metadata models. In this paper, we proposed a sharable a...

2014
Swati Singhal Sandhya Aneja Frank Liu Lucas Correia Villa Real Thomas George

Accurate and timely flood forecasts are essential for effective management of flood disasters, which has become increasingly frequent over the last decade. Obtaining such forecasts requires high resolution integrated weather and flood models with computational costs optimized to provide sufficient lead time. Existing overland flood modeling software packages do not readily scale to topography g...

Journal: Desert 2016
Afshin Jahanshahi, Ali Afzali, Mohammad Golshan

Development of rural areas in rivers margins and flood plains, without understanding and attention to the dynamical and hydrological conditions and upstream areas of the rivers will cause to increase flood risk and loss of life and financial. Flood zoning has many applications, in floodplain management. For management of the three major branches of the Halilrood River, Rabor, Roodar and Javaran...

Journal: :Environmental management 2007
Brian S Caruso Peter W Downs

This study demonstrates the integration of rehabilitation and flood management planning in a steep, boulder-bedded stream in a coastal urban catchment on the South Island of New Zealand. The Water of Leith, the primary stream flowing through the city of Dunedin, is used as a case study. The catchment is steep, with a short time of concentration and rapid hydrologic response, and the lower strea...

Journal: :computational methods in civil engineering 2012
p. mirzazadeh g. akbari

flood routing has many applications in engineering projects and helps designers in understanding the flood flow characteristics in river flows. floods are taken unsteady flows that vary by time and location. equations governing unsteady flows in waterways are continuity and momentum equations which in case of one-dimensional flow the saint-venant hypothesis is considered. dynamic wave model as ...

Journal: :The Proceedings of the International Conference on Creationism 2018

2013
J. F. Breilh

This study aims to assess the performance of raster-based flood modeling methods on a wide diversity of coastal marshes. These methods are applied to the flooding associated with the storm Xynthia, which severely hit the western coast of France in February 2010. Static and semi-dynamic methods are assessed using a combination of LiDAR data, post-storm delineation of flooded areas and sea levels...

2002
WAN Qing

The main role of map is confined to representation of various kind of decision schemas and appraisal results. But it almost does no good to the understanding and definition of problems. Concept map is a method supporting for knowledge construction and sharing. We can construct knowledge effectively by concept map, organize knowledge from different experts and users using concept entities and re...

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