نتایج جستجو برای: flood mitigation dams
تعداد نتایج: 62330 فیلتر نتایج به سال:
This article examines the potential of pre- and post-disaster instruments for funding disaster response and recovery and for creating incentives for flood loss mitigation in countries with emerging or transition economies. As a concrete case, we discuss the disaster recovery arrangements following the 1997 flood disaster in Poland. We examine the advantages and limitations of hedging instrument...
The current policy-making on EU level in the field of water resource conservation and flood risk management displays tendency in applying sustainability approach for water status improvement, water scarcity and droughts, as well as reduction of disasters. The appearance of floods as natural disasters is associated mainly with community vulnerability to adverse effects of a natural hazard. There...
Identifying risks in flood-prone areas is necessary to support risk management decisions. This research was conducted establish a vulnerability model of flood hazards the city Pontianak. The based on scoring and weighting biophysical factors. AHP method logical formulations were used model. result showed that accuracy by determine floods 80% Pontianak City. using level 84%. Kappa value 1 76.7%....
Weakness in the governance component within a flood management system will jeopardize the works of the system as a whole. Specific to flood management, poor governance reflects weakness in tracking and monitoring of flood activities and systems, poor mitigation of flood risk, and non-optimal use of given (as well as investment) resources. This study proposes a governance framework to govern the...
Increasing multi-sectoral demands on water resources have led to water abstraction and transfer activities, and the construction of dams and embankments that have significantly altered the flood regimes of rivers throughout the world resulting in the loss of fish production and biodiversity. The current emphasis on sustainable development and biodiversity conservation is leading efforts to miti...
This study aims to develop a new procedure that combines multi-criteria spatial vulnerability analysis with the traditional linear probabilistic risk approach. This approach is named integrated fuzzy flood vulnerability assessment because it combines the watershed-based vulnerability framework with stream-based risk analysis. The Delphi technique and pressure-state-impact-response framework are...
Of all weather-related disasters that occur in the United States, floods are the main cause of death, and most flood-related deaths are attributed to flash floods. Whenever a weather-related disaster involves 30 or more deaths or more than $100 million in property damage, the National Weather Service (NWS) forms a survey team to investigate the disaster and write a report of findings. All NWS s...
Free crest spillways are hydraulically efficient and safe in operation. Since their discharge capacity is directly proportional to the crest length several types have been developed with the purpose to increase the length of the latter. Among these types traditional labyrinth weir spillways have been studied and used for a long time. Their hydraulic performance and the effect of the involved ge...
Estimation of flood hydrograph is of necessities in hydrological studies such as flood mitigation projects. This estimation in un-gauged watersheds is usually taken place using geomorphological characteristics of watersheds. The objective of this research is to estimate synthetic unit hydrograph using regional flood frequency analysis and geomorphological parameters of watersheds. 1-hour and 2-...
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