第页目录摘要.…Absrtact.…第一章绪论…1.1研究的目的和意义….51.1.1研究目的：…1.1.2研究意义：1.2国内外现状和主要发展趋势….51.2.2国外现状.1.3本文主要工作…71.3.2研究方向及工作条件.…第二章印江站河段基本特征，流域概况研究2.】自然地理.…82.1.1自然条件…92.1.2地形地貌.2.1.4水文条件…92.2人口与社会经济环境概况2.3印江站特性分析…2.3.1测站分析…第三章水位流量关系的分析…113.】水位流量关系影响因素分析…113.1.1流量资料的选取…3.1.2断面冲淤变化分析…123.2水位流量关系变化分析…183.2.1评价方法3.2.2水位流量关系的建立及推算流量的方法203.2.3实例应用…第四章误差分析234.1.1流速影响…234.1.2过水断面测量误差.244.1.3实测低水流量误差范围24第五章结论…第六章参考文献第七章致谢……27.2728第页河道水位流量关系的分析研究摘要印江县水文站是乌江中下游河段的重要区域代表站，通过分析不同因素影响下印江水文站水位流量关系及其变化规律，印江水文站河道的水位流量关系受洪水涨落，河道断面冲淤两个主要因素的共同影响，由于所测河段属于天然河道，河道经过多年的冲刷，所测断面在测站所设立后的多年里的变化均有规律可寻。计算印江水文站在设站以来多年前后因洪水和河道冲刷导致水位流量关系变化的原因及其规律。为消除洪水涨落率和断面冲淤的综合影响，分析不同水位流量下的水位、流量、断面三者之间的关系，对于洪水期水文预报以及超额洪量分配与调度，促进区域经济及自然生态等多方面的发展具有重要的参考价值。关键词：水位流量关系曲线：冲淤变化：水文分析：印江水文站Analysis and Research on the Relationship betweenWater Level and Discharge in River第页AbsrtactThe hydrological station of Yingjiang County is an important regional representativestation in the middle and lower reaches of Wujiang River.By analyzing therelationship between water level and flow rate of Yinjiang hydrological station underdifferent factors,the relationship between water level and discharge of the riverstation is affected by flood,Section of the main factors of erosion and sedimentationof the two main factors,due to the measured river belongs to the natural river,theriver after years of erosion,the measured section in the station after the establishmentof the changes in the years are regular to find.Calculate the reason and rule of thechange of water level and discharge relation caused by flood and river erosion beforeand after the station.In order to eliminate the influence of flood fluctuation rate andscouring and siltation,the relationship between water level,flow rate and crosssection of different water level flow is analyzed,and the regional economic andnatural ecology is promoted for the hydrological forecast and the excess floodallocation and dispatching And other aspects of the development of an importantreference value.Keywords:water level flow relationship curve;Erosion and siltation changes;hydrologic analysis;Yinjiang hydrologic Station.第一章绪论1.1研究的目的和意义