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Channel changes in largest Russian rivers: natural and anthropogenic effects

机译:俄罗斯最大河流的航道变化:自然和人为影响

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The aim of this paper is to provide comprehensive analysis of channel changes (horizontal and vertical movements of channel boundaries due to water flow and sediment transport interactions) in rivers across Russia. Evidences from channel transformations indicate that largest Russian rivers (Volga, Oka, Amur) are sensitive to mostly human impacts (reservoir construction, in-channel quarries, land disturbance and bank fortification). Channel changes in the Severnaya Dvina, Lena, Pechora and Ob Rivers over the past 100 years have been driven mainly by natural factors at the river scale, whereas some reaches were influenced by human interventions (including single reservoirs). Reservoir construction is probably the most extended influence on morphodynamics of the largest rivers of Russia, but the influence of other controls resulting in channel boundary movement and channel pattern changes could also be detected.
机译:本文的目的是提供整个俄罗斯河流的河道变化(由于水流和泥沙输送相互作用而引起的河道边界的水平和垂直运动)的综合分析。航道转换的证据表明,俄罗斯最大的河流(伏尔加河,奥卡河,阿穆尔河)对大多数人类影响(水库建设,河道内采石场,土地扰乱和河岸设防)敏感。在过去的100年中,Severnaya Dvina,Lena,Pechora和Ob河的河道变化主要是由河流规模的自然因素驱动的,而某些河段则受到人为干预(包括单个水库)的影响。水库建设可能是对俄罗斯最大河流形态动力学的最大影响,但也可以检测到其他控制导致河道边界运动和河道形态变化的影响。

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