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一、横滨市水利事业概况横滨市是日本第三大城市,总面积约433km~2,总人口约340万,城市化面积已达75.8%。其东临东京湾,也是国际知名的港口城市之一。流经横滨市的主要河流共58条,总长约210km,分属8个水系。其中,属国家管理的一级河流有1个水系9条,总长约60km;属县级管理的二级河流有5个水系24条,总长约119km。其余的25条河流分属6个水系,为横滨市管理的准用河流,总长约31km。此
I. Overview of Waterworks in Yokohama City Yokohama is the third largest city in Japan with a total area of 433km ~ 2 and a total population of about 3.4 million. The urbanization area has reached 75.8%. Its east to Tokyo Bay, is also one of the internationally renowned port city. A total of 58 rivers flowing through Yokohama City have a total length of 210km and belong to 8 water systems. Among them, a state-run river has a water system 9, a total length of about 60km; belongs to the county-level management of the second-level river has 5 water system 24, a total length of about 119km. The remaining 25 rivers belong to 6 river systems and are quasi-rivers managed by Yokohama-shi. Their total length is about 31 km. this