نتایج جستجو برای: flash floods

تعداد نتایج: 27329  

2006
Arthur T. DeGaetano Michael Evans

This study used the publication Storm Data to compile a climatology of flash floods reported in the Binghamton, NY (BGM) County Warning Area (CWA) of the National Weather Service (NWS). This work revealed diurnal and seasonal trends in flash flood frequency across the CWA. Also evident was a spatial disparity in the number of flash flood reports in different portions of the CWA. In some cases, ...

Journal: :Risk analysis : an official publication of the Society for Risk Analysis 2007
Klaus Wagner

Perceptions of flash floods and landslides were analyzed in four communities of the Bavarian Alps using the mental model approach. Thirty-eight qualitative interviews, two telephone surveys with 600 respondents, and two onsite interviews (74/95 respondents) were conducted. Mental models concerning flash floods are much better developed than those for landslides because the key physical processe...

Journal: :Resources environment and information engineering 2022

Undoubtedly, the flood is known as a natural disaster. But in practice, considered most terrible disaster terms of mortality and financial losses. In this regard, worrying trend increasing damage world recent decades. The increase population assets floodplain changes hydro systems destructive effects human activities have been major cause trend. chapter, due to importance phenomenon ZayandehRud...

2010
G. Blöschl

Understanding the hydro-meteorological processes that control flash flooding is extremely important from both scientific and societal perspectives. On the one hand, flash floods rank highly among natural disasters in terms of the number of people affected and the number of fatalities. The potential for flash flood casualties and damage is increasing in many parts of the world due to the social ...

Journal: :Environmental Modelling and Software 2011
Junqiang Xia Roger A. Falconer Binliang Lin Guangming Tan

Flash flooding often leads to extremely dangerous and sometimes catastrophic conditions 9 in rivers due to characteristics such as: short timescales, the limited opportunity for issuing 10 warnings, and the frequent high average mortality. Many past extreme flood events have been 11 accompanied by flash floods, and they have also been one of the main sources of serious loss of 12 human life amo...

2008
Burrell E. Montz Eve Gruntfest

New technologies promise reduced flash flood losses. However, real-time observations with vast multi-sensor networks, more precise mapping capabilities using remote sensing and GIS, quicker hydrological and meteorological models, and increasing forecast lead times have not reduced losses. In November, 1999, 35 researchers from nine countries met in Ravello, Italy at a NATO sponsored Advanced St...

2006
Thomas Einfalt Klaus Friedeheim Andreas Wagner

• A database with flash floods and heavy rainfall events in Germany 2 URBAS project overview • Improving quality of flash flood forecasts URBAS is organised in an interdisciplanery manner. Aspects from city planning, hydrology, hydraulics, meteorology, damage assessment, emergency planning, and insurance issues are playing important roles. In order to get an overview over occurrence of urban fl...

2003
Srikantha Herath

Among various natural disasters floods make the largest impact in terms of number of casualties, people affected and property lost. Flood data during the past 30 years show that flood events that cause significant impacts have increased at a steady rate. Available data suggest that this increase could be attributed to increasing population and exposure, increasing property values located in vul...

2012
Dongya Sun Dawei Zhang Xiaotao Cheng

In recent years, disasters caused by flash floods with many casualties have occurred frequently in China. In order to effectively prevent flash flood disasters, the State Council approved the National Flash Flood Control Planning (NFFCP) in 2006. In this planning, non-structural measures are recommended as the first step to be adopted in the prevention of flash floods, debris flow and landslide...

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