北京门头沟永定河古渠灌溉工程成功入选2025年度世界灌溉工程遗产

Core Insights - The Beijing Mentougou Yongding River Ancient Canal Irrigation Project has been successfully included in the 2025 World Irrigation Heritage List, marking it as the first irrigation system in the Beijing-Tianjin-Hebei region to receive this honor, enhancing Beijing's cultural profile on a global scale [1] Group 1: Historical Significance - The irrigation system consists of five core ancient canals and surrounding water conservancy relics, with a history dating back to 250 AD during the Three Kingdoms period, originally irrigating an area of 66,000 acres [1] - The Fuxiatai Canal, one of the core canals, is noted for its advanced construction techniques, including the use of blasting technology to shorten the project duration [1] Group 2: Agricultural Impact - The Fuxiatai Canal plays a crucial role in local agriculture, enabling the cultivation of high-quality products such as Fuji apples and Jingbai pears, which have contributed to increased farmer incomes [2] - The canal's management includes seasonal practices such as opening sluice gates for irrigation in spring and clearing silt in winter to maintain water flow [2] Group 3: Engineering and Management Innovations - The ancient canals employ unique techniques to manage sediment and water flow, such as "dam-free water diversion" and "silt control," which effectively mitigate flooding and sedimentation issues [2] - The management model of the irrigation system has historical roots, with the establishment of the earliest farmers' water association in Beijing during the Qing Dynasty, aligning with modern water management principles [3] Group 4: Future Development and Collaboration - The Beijing Water Authority plans to leverage the recognition of the ancient canal for enhanced protection and innovative management, integrating smart water management platforms for dynamic monitoring [3] - Future initiatives will focus on combining canal protection with comprehensive governance of the Yongding River and promoting international cooperation to share China's water management stories [3]