论文部分内容阅读
一、前言洪金,周桥灌区位于洪泽湖以东,自马湖、宝应湖以西,灌溉总渠以南,入江水道以北地区,总面积为739.4平方公里,是以洪泽湖为主要水源的两大自流灌区,有效灌溉面积达64.3万亩(其中洪金灌区33.1万亩)。渠首建在洪泽湖大堤上,洪金渠首有三孔闸门,设计流量40m~3/S,周桥渠首有二孔闸门,设计流量为28m~3/S。随着洪泽湖水位
I. Introduction Hongjin and Zhouqiao Irrigation Areas are located to the east of Hongze Lake. From Mahu, west of Baoying Lake, south of Irrigation Canal and north of Irrigation Channel, with a total area of 739.4 square kilometers, Hongze Lake is the main The two major gravity water irrigation areas, the effective irrigation area of 64.3 hectares (of which 332,000 acres of gold irrigation area). The head of the canal was built on the Hongze Lake embankment. There is a three-hole gate at the head of Hongjin Canal with a design flow rate of 40m-3 / s. The first two-hole gate at Zhouqiao has a design flow of 28m-3 / s. With Hongze Lake water level