北京潮河总干渠建成后首次启动冬季输水

Core Viewpoint - The Chaohua Main Canal in Beijing has initiated winter water supply for the first time since its establishment in 1958, marking a significant operational milestone for the project [1] Group 1: Project Overview - The Chaohua Main Canal, approximately 11.42 kilometers long, connects the Miyun Reservoir to the Tangzhishan Reservoir, serving agricultural irrigation needs in the northeastern part of Beijing [1] - The canal was suspended in 2001 due to decreased irrigation demand but resumed operations in 2021 for ecological water replenishment [1] Group 2: Ecological Impact - By the end of 2025, the canal is expected to have supplied nearly 130 million cubic meters of water, with over 40 million cubic meters planned for 2025 alone, revitalizing the canal's ecological function [1] - The transformed ecological canal enhances regional water systems, replenishing the Tangzhishan Reservoir and improving the ecological environment of the Puyihe River in Pinggu District [1][2] Group 3: Biodiversity and Environmental Benefits - The winter water supply, in conjunction with spring replenishment, aims to restore biodiversity in the Chaobai River and improve the overall water and soil environment along the canal [2] - This initiative contributes to the establishment of a sustainable river-lake ecosystem, providing suitable habitats for aquatic life [2]