Analysis and Computation of the Water Volume for the Sediment Transport of the Lower Yellow River

Based on the achievements of sediment transport of the previous study,the water volume for the sediment transport of the lower Yellow River was forecasted which can be applied to the long-term low water condition in this paper,according to the data collected at several stations during 1951-2009,based on the anciently production of the water volume for the sediment transport,the characters of the upstream water and sediment and the relation with processing scour or silt,which experienced after warping of the Xiaobeiganliu and the joint regulation of,Sanmenxia and,Xiaolangdi Reservoirs.The paper shows that a) considered as a low water year,the water used for the sediment transport of the Yellow River needs 12.7 billion m3 in 2015 at least;b) all the upstream sediment will come into the lower Yellow River in 2020,when the balance occurred in the Xiaolangdi Project,needs 13.98 billion m3;c) considered as continuous low water condition,water volume for the sediment transport of the Yellow River need 10.4 billion m3 at least in 2030,compared with 2008,lack volume will arrived 7.4 billion m3 at least,then the West Route of South to North water Transfer Project is imperative.