نتایج جستجو برای: groyne
تعداد نتایج: 77 فیلتر نتایج به سال:
Abstract The shape of a narrow river with steep slope and high intensity rainfall can affect the speed flow so that it has an impact on changes in dynamics have potential to cause erosion riverbed. This condition affects morphological emergence degradation agradation phenomena certain areas. To determine effect changes, laboratory tests were carried out using permeable type groyne structure as ...
Invasions by alien species may cause a decline in populations of vulnerable protected species through interference and resource competition. During the last decade, four invasive goby species of Ponto-Caspian origin have displayed rapid dispersal in The Netherlands. High densities of these species have been recorded in large rivers and hydrologically connected water bodies such as canals and fl...
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