نتایج جستجو برای: core flood
تعداد نتایج: 237937 فیلتر نتایج به سال:
There is growing concern that flooding is becoming more frequent and severe in Europe. A better understanding of flood regime changes and their drivers is therefore needed. The paper reviews the current knowledge on flood regime changes in European rivers that has traditionally been obtained through two alternative research approaches. The first approach is the data-based detection of changes i...
Distributed denial-of-service (DDOS) flood attacks remain a big issue in network security. Real events of DDOS flood attacks show that an attacked site (e.g., server) usually may not be overwhelmed immediately at the moment attack packets arrive at that site but sometime late. Therefore, a site has a performance to resist DDOS flood attacks. To test such a performance, data synthesizer is desir...
This paper explores potential flood resilience approaches for the highly urbanised Wortley Beck river basin, south west of the City of Leeds, UK. Integrated 1D and 2D hydrodynamic modelling, using the ISIS and TUFLOW has been utilised to explore potential impact of SuDS on the flood hazard for three (1:15, 1:50 and 1:100) flood events. A direct rainfall runoff modelling approach has been employ...
____-----__-___-___..______-_--_-__________ Introduction_______________________________________ Frequency of overbank flow.__________________________ Formation of a typical flood plain_____._______________ The characteristics of point bars._________________ Sediments forming a typical point bar_________ Process of formation and elevation of the surface of point bars.____________________________...
Coastal floodplains are productive ecosystems that depend on a regular hydrologic regime that includes a predictable flooding event. Since 2011, ~60-76% of Georgia has experienced abnormally dry to extreme drought conditions. To investigate how an extended drought affects a floodplain ecosystem, we characterized benthic macroinvertebrate communities and organic matter standing stocks on a flood...
Traditional flood design methods are increasingly supplemented or replaced by risk-oriented methods which are based on comprehensive risk analyses. Besides meteorological, hydrological and hydraulic investigations such analyses require the estimation of flood impacts. Flood impact assessments mainly focus on direct economic losses using damage functions which relate property damage to damagecau...
Mechanism of flood forecasting is a complex system, which involves precipitation, drainage characterizes, land use/cover types, ground water and runoff discharge. The application of flood forecasting model require the efficient management of large spatial and temporal datasets, which involves data acquisition, storage, pre-processing and manipulation, analysis and display of model results. The ...
Flooding is one of the most devastating natural disasters occurring annually in the Philippines. A call for a solution for this malady is very challenging as well as crucial to be addressed. Mapping flood hazard is an effective tool in determining the extent and depth of floods associated with hazard level in specified areas that need to be prioritized during flood occurrences. Precedent to the...
the multi-criteria decision making model is an important tool for decision making in water resource management. in this paper, the topsis model was used to rank seven flood management options in the gorganrood river flood management project, including conservation of natural condition, golestan reservoir management, levee construction, diversions-channel construction, flood forecasting and warn...
A two-component fully automated flood monitoring system is described and evaluated. This is a result of combining two individual flood services that are currently under development at DLR’s (German Aerospace Center) Center for Satellite based Crisis Information (ZKI) to rapidly support disaster management activities. A first-phase monitoring component of the system systematically detects potent...
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