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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=1738955910-R7bM89avvaYMUfkIwkA4APF7ire9ST3p-0-69446ff29cb5a669e146eb06b12bfcef)
图1-2 研究区示意图
![img](https://epubservercos.yuewen.com/E68AEC/19720714408550006/epubprivate/OEBPS/Images/txt001_5.jpg?sign=1738955910-MuAabIrwzJBclIjCb2v0QIomdWWNJ1Q1-0-7426f8dc10f0c8185834859a17f715f8)
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=1738955910-OQ3t9s3vV2UkEahWvxcQunm4d5dfpDHz-0-8aebcdf4ce3f09936004a0e8cfff0319)
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=1738955910-KOZXGC2dSsw4VsGxFtcblc6aAmuuMtud-0-664b408807738a6652c91cdda9b1b618)
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=1738955910-CP8friIIx8f3DxrvMp04BcqAIMMkiAww-0-60d2b32cf961e6f42a0fb7e2fdb46f78)
续表
![img](https://epubservercos.yuewen.com/E68AEC/19720714408550006/epubprivate/OEBPS/Images/txt001_9.jpg?sign=1738955910-HXI3CxPHlL1uZXZmCvKuEUq60ggP0zAK-0-3de393df1a58a64d5bd51529e53e5a81)
续表
![img](https://epubservercos.yuewen.com/E68AEC/19720714408550006/epubprivate/OEBPS/Images/txt001_10.jpg?sign=1738955910-3fSJtQvLpwYudzuSv8s1Jxw6dEs9qKAC-0-9c1ee186909c784d325297ecafca875e)
续表
![img](https://epubservercos.yuewen.com/E68AEC/19720714408550006/epubprivate/OEBPS/Images/txt001_11.jpg?sign=1738955910-9gkhgvsqC1zD4KSpj4Fh64KAVlsYHkvw-0-7a3b6231ea032a072bd5918e63450ac1)
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=1738955910-hqUXkq87NjuYndGnDWbOIUw7eYSva95F-0-612954c4d98d3bb2cc77fc7db15b693b)
续表
![img](https://epubservercos.yuewen.com/E68AEC/19720714408550006/epubprivate/OEBPS/Images/txt001_13.jpg?sign=1738955910-UNP2D2ldkuiqjtKeYNxE8kaj7q6nBD6q-0-ad825461dc71b874130cd990d812c1a3)