PAGE\*MERGEFORMAT1北江流域设计洪水过程及径流趋势分析《水文水利计算》课程设计报告书20180826北江流域设计洪水过程及径流趋势分析孔冬冬杨烨郑义涛梁洪玮周敏卓德2014年9月17日目录TOC\o"1-3"\h\z\uHYPERLINK\l"_Toc398741832"1前言PAGEREF_Toc398741832\h1HYPERLINK\l"_Toc398741833"2北江流域简介PAGEREF_Toc398741833\h2HYPERLINK\l"_Toc398741834"2.1自然地理特征PAGEREF_Toc398741834\h2HYPERLINK\l"_Toc398741835"2.2河流水系PAGEREF_Toc398741835\h3HYPERLINK\l"_Toc398741836"2.3水文气象特征PAGEREF_Toc398741836\h4HYPERLINK\l"_Toc398741837"（1）水位PAGEREF_Toc398741837\h4HYPERLINK\l"_Toc398741838"（2）径流PAGEREF_Toc398741838\h5HYPERLINK\l"_Toc398741839"（3）洪水PAGEREF_Toc398741839\h5HYPERLINK\l"_Toc398741840"3数据与使用方法PAGEREF_Toc398741840\h6HYPERLINK\l"_Toc398741841"3.1代表性PAGEREF_Toc398741841\h6HYPERLINK\l"_Toc398741842"3.2趋势分析PAGEREF_Toc398741842\h7HYPERLINK\l"_Toc398741843"4横石站设计典型洪水过程PAGEREF_Toc398741843\h9HYPERLINK\l"_Toc398741844"4.1数据检验与挑选指标PAGEREF_Toc398741844\h9HYPERLINK\l"_Toc398741845"4.1.1可靠性分析与数据挑选PAGEREF_Toc398741845\h9HYPERLINK\l"_Toc398741846"4.1.2代表性分析PAGEREF_Toc398741846\h10HYPERLINK\l"_Toc398741847"4.1.3一致性分析PAGEREF_Toc398741847\h13HYPERLINK\l"_Toc398741848"4.2设计洪水过程PAGEREF_Toc398741848\h17HYPERLINK\l"_Toc398741849"4.2.1历史洪水调查【16】PAGEREF_Toc398741849\h17HYPERLINK\l"_Toc398741850"4.2.2统一样本法频率分析PAGEREF_Toc398741850\h18HYPERLINK\l"_Toc398741851"4.2.3拟合分布函数推求设计洪量PAGEREF_Toc398741851\h18HYPERLINK\l"_Toc398741852"4.2.4设计洪水过程PAGEREF_Toc398741852\h23HYPERLINK\l"_Toc398741853"5.石角站径流数据变化PAGEREF_Toc398741853\h26HYPERLINK\l"_Toc398741854"5.1石角站数据代表性分析PAGEREF_Toc398741854\h26HYPERLINK\l"_Toc398741855"5.1.1差积曲线法（年均流量）PAGEREF_Toc398741855\h26HYPERLINK\l"_Toc398741856"5.1.2滑动平均法（年均流量）PAGEREF_Toc398741856\h26HYPERLINK\l"_Toc398741857"5.1.3逐年累进求统计参数法PAGEREF_Toc398741857\h27HYPERLINK\l"_Toc398741858"5.2石角站径流数据趋势分析PAGEREF_Toc398741858\h28HYPERLINK\l"_Toc398