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黄河下游河道泥沙存贮-释放及其临界条件
许炯心
2008
Source Publication地理科学
ISSN1000-0690
Volume028Issue:003Pages:354
Abstract确定了黄河下游河道处于泥沙存贮-释放临界状态的水沙临界条件。当场次洪水平均含沙量小于31.68kg/m^3,或者来自中游多沙粗沙区场次洪水来沙量小于4 543×10^4t,下游河道将由泥沙存贮状态变为泥沙释放状态。当河口镇以上清水区径流占场次洪水总径流量比率大于0.70时,也会由泥沙存贮状态变为泥沙释放状态。场次洪水泥沙输移比随洪水平均流量的增到而增大,流量为4 000 m^3/s(相当于平滩流量)时达到峰值,此后有所减少。这表明,平滩流量时泥沙存贮最少,低于平滩流量和高于平滩流量时泥沙存贮均增大。
Language英语
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/102582
Collection中国科学院地理科学与资源研究所
Affiliation中国科学院地理科学与资源研究所
First Author Affilication中国科学院地理科学与资源研究所
Recommended Citation
GB/T 7714
许炯心. 黄河下游河道泥沙存贮-释放及其临界条件[J]. 地理科学,2008,028(003):354.
APA 许炯心.(2008).黄河下游河道泥沙存贮-释放及其临界条件.地理科学,028(003),354.
MLA 许炯心."黄河下游河道泥沙存贮-释放及其临界条件".地理科学 028.003(2008):354.
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