نتایج جستجو برای: rainfall intensities
تعداد نتایج: 56614 فیلتر نتایج به سال:
A detailed laboratory study was conducted to examine the effects of particle size on hysteretic sediment transport under time-varying rainfall. A rainfall pattern composed of seven sequential stepwise varying rainfall intensities (30, 37.5, 45, 60, 45, 37.5, and 30 mm h), each of 20 min duration, was applied to a 5 m 3 2 m soil erosion flume. The soil in the flume was initially dried, ploughed ...
Zhang Y., Feng M.M., Yang J.Y., Zhao T.N., Wu H.L., Shi C.Q., Shen Y. (2015): Effects of soil cover and protective measures on reducing runoff and soil loss under artificial rainfall. Soil & Water Res., 10: 198–205. The hazards from wind, sand, and soil erosion caused by human activities, such as residue slopes in abandoned urban mines, have resulted in a vicious circle of environmental degrada...
Analysis of extreme hydrometeorological events is important for characterizing and better understanding the meteorological conditions that can generate severe rainstorms and the consequent catastrophic flooding. According to several studies (e.g., Alpert et al., 2004; Wittenberg et al., 2007), the occurrence of such extreme events is increasing over the eastern Mediterranean although total rain...
This study investigated the potential effect of climate changes on stormwater pollution runoff characteristics and the treatment efficiency of a stormwater retention pond in a 95 ha catchment in Denmark. An integrated dynamic stormwater runoff quality and treatment model was used to simulate two scenarios: one representing the current climate and another representing a future climate scenario w...
Short peak rainfall intensities cause sewer systems to overflow leading to flooding of streets and houses. Due to climate change and densification of urban areas, this is expected to occur more often in the future. Hence, next to their minor (i.e. sewer) system, municipalities have to analyse their major (i.e. surface) system in order to anticipate urban flooding during extreme rainfall. Urban ...
Traffic congestion is one of serious problems in cities; rainfalls would exacerbate traffic congestion, and thus result huge economic losses. However, limited studies focused on how influenced its associated Based detailed hourly data, we estimated index (TCI) changed with different rainfall intensities the Beijing-Tianjin-Hebei (BTH) region, also explored their The results illustrated that all...
Black soil areas are strongly affected by rill erosion due to the geomorphic characteristics of flood plains and heavy rainfall. To study problem in black achieve ecological restoration, based on method artificially simulated rainfall, effects rainfall intensity slope flow sand production surface were studied, pattern after was monitored a 3D laser scanner analyze surface. The model constructed...
Kutupalong Rohingya camp is one of the largest humanitarian shelters for conflict-fled people. The area susceptible to landslide hazards because being situated in dynamic tectonic settings and meteorological conditions. Hence, study aims assess earthquake rainfall-induced worst-case scenario. triggering parameters (topographic, soil physical property, contributing factors) are designed identify...
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