黄河下游断面资料数据库及冲淤分布初步分析  

Range Survey on Database and Deposition of the Lower Yellow River

作　　者：龙毓骞[1] 梁国亭[1] 张原锋[1] 申冠卿[1] 张留柱[2] 程龙渊[2] 

机构地区：[1]黄河水利委员会水利科学研究院,河南郑州450003 [2]黄河水利委员会水文局,河南郑州450004

出　　处：《水文》2002年第4期28-31,52,共5页Journal of China Hydrology

摘　　要：利用所建立的断面资料数据库及分析系统软件,采用体积法对黄河下游冲淤数量进行了计算,并利用与本系统软件直接接口的通用软件,研究了黄河下游冲淤量的时空分布特点。计算分析表明,近半个世纪黄河下游河道淤积量达64.4亿m3。进入下游的水沙条件既受自然气候条件变化的影响又受水库运用所制约。不同时期河道冲淤量及其分布的差异是黄河下游冲积性河道对不同水沙条件所作出的反应。Database of range survey is established and used to study the deposition or erosion in the Lower Yellow River.A software program(RGTOOLS)is developed for management of the data obtained through range surveys in nearly50years.It is also used to evaluate the amount and distribution of deposition or erosion in the Lower Yellow River.Volumetric method is used for computation of the amount of deposition.Spatial and temporal variations of the deposition are studied and illustrated with drawings created by EXCEL program that is directly interfaced with RGTOOLS.It is found that a total of6.44billion m 3 were deposited in the Lower Yellow River in nearly half a century.The pattern of deposition varies in response to the variation of the oncoming flow that is influenced by natural climatic variations and also by reservoir operation.

关 键 词：黄河下游 断面资料 分析系统 冲淤量 体积法 河道 水沙条件 

分 类 号：TV147[水利工程—水力学及河流动力学]