活水润泽 文明赓续

Core Points - Water is essential for survival and civilization, with irrigation playing a crucial role in the development of Chinese agricultural civilization [1][2] - China has successfully added four irrigation projects to the 2025 World Irrigation Heritage List, bringing the total to 42 [1] - The projects include the Yunnan Yuanyang Hani Terraces, Jiangsu Jurong Chishan Lake Irrigation Project, Sichuan Pengzhou Qianjiang Weir, and Beijing Mentougou Yongding River Ancient Canal Irrigation Project [1] - The technical support for these projects was provided by a team led by Professor Chen Jing from Hohai University [1] Group 1: Historical Significance - China is the country with the richest and most widely distributed irrigation engineering heritage, with many ancient projects still in use today [2] - The preservation and scientific utilization of these irrigation heritage sites are vital for inheriting and promoting traditional Chinese culture [2] - The Jiangsu Jurong Chishan Lake Irrigation Project exemplifies the evolution of water management in China, showcasing historical techniques and innovations [2] Group 2: Technological Advancements - Hohai University has been a leader in water-saving irrigation research for over 40 years, achieving significant water savings and increased rice yields [1][4] - The university's irrigation technology has been applied in over 10% of China's rice planting areas, resulting in over 40% water savings and more than 14% yield increase [1] - The team employs various methods, including remote sensing and field surveys, to support the application for World Irrigation Heritage status [4] Group 3: Cultural Impact - The irrigation systems reflect the cultural and philosophical values of the Hani ethnic group, integrating agricultural practices with their traditions [2] - The historical context of these irrigation projects illustrates the relationship between engineering, nature, and societal needs, providing valuable insights for modern water management [2]