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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=1739324739-ygNEIMVuLvUFGMILp5YvPoBbjh9DrHHH-0-3f52372ee66fe292fa937aece00188ff)
图1-2 研究区示意图
![img](https://epubservercos.yuewen.com/E68AEC/19720714408550006/epubprivate/OEBPS/Images/txt001_5.jpg?sign=1739324739-gGMQ9ug2ck3XRgI4bgeJhUzvnbj1dg8u-0-48b87114cb43160b3f9eb6620a381abe)
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=1739324739-urcBxGmKV3HpN3Sz7Q2qIGWkHxlOgMnT-0-00d1625c57cff9e7e0340bbfe5ebb27f)
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=1739324739-jgVqJucWo8Qnq9HyATyjtl6o9UV4tVp0-0-57356cf53370e2fcd0d9b100e6055070)
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=1739324739-qwwykhtnTrOIDt8Rb8Cgu32V114ULOYd-0-48bc3c0d5acffea51d196cabfdbcf69f)
续表
![img](https://epubservercos.yuewen.com/E68AEC/19720714408550006/epubprivate/OEBPS/Images/txt001_9.jpg?sign=1739324739-8FCX2mwEElpnNhLPMyuOekcKsSteAvYc-0-2b97e8013a46fe8afc6e4171968fddf6)
续表
![img](https://epubservercos.yuewen.com/E68AEC/19720714408550006/epubprivate/OEBPS/Images/txt001_10.jpg?sign=1739324739-wwEMdWF9w0jl5fxRPURfE4HFUIsjVFwT-0-c03c3a3e956d48b973793f8855f4d6fd)
续表
![img](https://epubservercos.yuewen.com/E68AEC/19720714408550006/epubprivate/OEBPS/Images/txt001_11.jpg?sign=1739324739-OdTCtJlgw2Hf1R9K1nsfp9pMZRVEFUB4-0-68fd5b7c10564fa30f842d42c36a7d7d)
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=1739324739-P4ExQsBs8hULFtuFpCJBImHw910sGGDD-0-db7794559c549a83cafe1373e55bbfed)
续表
![img](https://epubservercos.yuewen.com/E68AEC/19720714408550006/epubprivate/OEBPS/Images/txt001_13.jpg?sign=1739324739-UTYLwNnhQkqBDIHDWuE8pPcmWTfnXKOL-0-bc47cd78a55beb0c73d3c166e9d0a120)