نتایج جستجو برای: floods inundations

تعداد نتایج: 10977  

Journal: :Journal of Advanced Civil and Environmental Engineering 2019

2001
Peter Molnar

Although regional climates throughout much of the world appear to have become more arid in late Cenozoic time, sedimentation rates, and therefore presumably erosion rates, have increased. For sustained erosion of elevated terrain, at least where glaciers are not the major erosive agent, rivers must incise. Therefore bed-load transport by rivers should be a rate-limiting process in erosion. Theo...

Journal: :Risk analysis : an official publication of the Society for Risk Analysis 2007
Ethan T Knocke Korine N Kolivras

Flash floods are one of the most dangerous weather-related natural disasters in the world. These events develop less than six hours after a rainfall event and create hazardous situations for people and extensive damage to property. It is critical for flash flood conditions to be warned of in a timely manner to minimize impacts. There is currently a knowledge gap between flood experts and the ge...

2014
Weizhong Su Gaobin Ye Guishan Yang

Urban floods are linked to patterns of land use, specifically urban sprawl. Since the 1980s, government-led new districts are sweeping across China, which account for many of the floods events. Focuses of urbanization impact on floods are extending gradually from hydraulic channels, to imperviousness ratio, to imperviousness pattern in urban areas or urbanized basins. Thus, the paper aims to ex...

Journal: :Hydrology and Earth System Sciences 2021

Abstract. The MARINE (Model of Anticipation Runoff and INundations for Extreme events) hydrological model is a distributed dedicated to flash flood simulation. Recent developments the are explored in this work. On one hand, transfers water through subsurface, formerly relying on height, now take place homogeneous soil column based saturation degree (SSF model). other divided into two layers, wh...

2018
Hsy-Yu Tzeng Wei Wang Yen-Hsueh Tseng Ching-An Chiu Chu-Chia Kuo Shang-Te Tsai

Global warming-induced extreme climatic changes have increased the frequency of severe typhoons bringing heavy rains; this has considerably affected the stability of the forest ecosystems. Since the Taiwan 921 earthquake occurred in 21 September 1999, the mountain geology of the Island of Taiwan has become unstable and typhoon-induced floods and mudslides have changed the topography and geomorp...

2014
Maria Rosales-Rueda

A growing body of research argues that early adverse experiences have lasting effects not only on later health outcomes, but also on human capital accumulation. In this paper, I investigate the persistent effect of negative shocks early in life on children’s health and cognitive outcomes, and explore whether shocks at certain periods matter more than others. I exploit the geographic intensity o...

1999
ZBIGNIEW W. KUNDZEWICZ KUNIYOSHI TAKEUCHI

In the last decade, there have been many destructive floods in various parts of the world. Despite the extensive investment in flood control works, neither flood occurrences nor damages are decreasing. A possible consequence of climate change is an increased frequency of extreme meteorological events that may cause floods. Discussion is offered of some recent large floods in the world and of th...

2017
Carlos H. R. Lima Amir AghaKouchak

Floods are the main natural disaster in Brazil, causing substantial economic damage and loss of life. Studies suggest that some extreme floods result from a causal climate chain. Exceptional rain and floods are determined by large-scale anomalies and persistent patterns in the atmospheric and oceanic circulations, which influence the magnitude, extent, and duration of these extremes. Moreover, ...

2000
Gordon J. MacDonald

.......................................................................................................................... iii About the Author..............................................................................................................iv A Note on Order Statistics and Property Losses from Catastrophic Hurricanes and Floods in the USA ..............................................

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