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1.7 水文站网
项目研究区域为渭河林家村、泾河杨家坪、泾河支流马莲河控制站雨落坪至渭河华县区间,流域面积约4.27万km2,如图1-2所示。研究区水文测站隶属于黄河水利委员会水文局、陕西省水文水资源勘测局和陕西省三门峡库区管理局。研究区共设水文站30处,雨量站165处。其中,渭河水文站20处,雨量站123处;泾河水文站10处,雨量站42处。水文站多数为水情报汛站,其中,渭河14处,泾河9处;雨量站近一半为水情报汛站。站网分布如图1-3所示,站网基本情况见表1-3~表1-6。水文站网观测项目主要有流量、水位、泥沙、蒸发及雨量等要素。
![img](https://epubservercos.yuewen.com/E68AEC/19720714408550006/epubprivate/OEBPS/Images/txt001_4.jpg?sign=1739045717-Qq7jCxDIX9TZKwuw8uzAMOYhRQ6QGHES-0-26b616db26be605ebb65469c1dd6f1e9)
图1-2 研究区示意图
![img](https://epubservercos.yuewen.com/E68AEC/19720714408550006/epubprivate/OEBPS/Images/txt001_5.jpg?sign=1739045717-4lHMAyRDyq1H4Dc1Hdv9IQcApYBdSphR-0-49d5cc3c411db65956c223e7c8ae28c3)
表1-3 研究区渭河水文站基本情况
![img](https://epubservercos.yuewen.com/E68AEC/19720714408550006/epubprivate/OEBPS/Images/txt001_6.jpg?sign=1739045717-pZWNPBsqubBGXUPM6fpT0Xq5RN8IUD0n-0-d09ac7a74a9640ca887b6c1b63bf0e1d)
表1-4 研究区泾河水文站基本情况
![img](https://epubservercos.yuewen.com/E68AEC/19720714408550006/epubprivate/OEBPS/Images/txt001_7.jpg?sign=1739045717-HscZAsimzdBTrlEQAGctnGeW02eeksmH-0-80393f2545181bb946383014fb8ca0ff)
表1-5 研究区渭河雨量站基本情况
![img](https://epubservercos.yuewen.com/E68AEC/19720714408550006/epubprivate/OEBPS/Images/txt001_8.jpg?sign=1739045717-qxkxevOKPgjetQWXYkiAeBOQcLHNkTtU-0-761596becee5167297d65102c1e8a09d)
续表
![img](https://epubservercos.yuewen.com/E68AEC/19720714408550006/epubprivate/OEBPS/Images/txt001_9.jpg?sign=1739045717-VioRDTxmzFamnCFyYBItYpzEmMhib6DQ-0-a650ea586cf90c2c4081036bc309685c)
续表
![img](https://epubservercos.yuewen.com/E68AEC/19720714408550006/epubprivate/OEBPS/Images/txt001_10.jpg?sign=1739045717-8kB0FqsEOSMaXtLp08cv24QDolDeWGYu-0-ba719b1c3414996f811a32c6155535c3)
续表
![img](https://epubservercos.yuewen.com/E68AEC/19720714408550006/epubprivate/OEBPS/Images/txt001_11.jpg?sign=1739045717-9VvjeBSv7x4GCBQJuW1myqrD5UNIWfzR-0-d8799d1f5ada68a2a5ff077dc086d5bd)
表1-6 研究区泾河雨量站基本情况
![img](https://epubservercos.yuewen.com/E68AEC/19720714408550006/epubprivate/OEBPS/Images/txt001_12.jpg?sign=1739045717-abhn4subwqvYnW66q0dixkVn02F7Dgz3-0-a825404fb157bed575fa13f1dd135ffc)
续表
![img](https://epubservercos.yuewen.com/E68AEC/19720714408550006/epubprivate/OEBPS/Images/txt001_13.jpg?sign=1739045717-ruKMcMRsKc3hLJtYHEQ9cO8bOWdmBpcZ-0-a99ed03b7343bd229419b5754fdd9bdd)