上荊江枯水位對(duì)河床沖刷及水庫(kù)調(diào)度的綜合響應(yīng)
[Abstract]:In order to reveal the recent dry water situation in the middle reaches of the Yangtze River and its direct and indirect response to the water storage of the Three Gorges Reservoir, this paper, taking the upper Jingjiang River with the largest erosion and the decline of the dry water level as an example, has established the water level drop and the river bed erosion by statistics of the change of the dry water level in different forms. The relationship between different operation modes of the reservoir. The results show that the average elevation of the dry water level of the main station and the dry water level is almost the same as the average elevation of the river bed in the dry water, and the lower of the dead water level in the branch city is related to the bed form of the background, the coarsening of the riverbed and the regulation of the channel. The lower water level, the lowest water level and the duration of the extremely dry water level of the upper Jingjiang River will be affected by the water supply and dispatching of the Three Gorges Reservoir. The effect of the water supply effect on the water supply of the Three Gorges Reservoir is gradually decreased, and the water supply schedule to the water discharge station is still unable to cancel the influence of the lower cut of the riverbed on the dry water level.
【作者單位】: 長(zhǎng)江水利委員會(huì)水文局;中國(guó)長(zhǎng)江三峽集團(tuán)公司三峽樞紐建設(shè)運(yùn)行管理局;
【基金】:國(guó)家重點(diǎn)研發(fā)計(jì)劃(2016YFC0402301,2016YFC0402101) 水利部公益性行業(yè)科研專項(xiàng)經(jīng)費(fèi)資助項(xiàng)目(201401021) 國(guó)家科技支撐計(jì)劃課題(2013BAB12B01)~~
【分類號(hào)】:TV147;TV697.1
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