千年都江堰灌区将迎新水源！中国启动西部水利工程

Core Points - The "Yin Da Ji Min" project has officially commenced construction, aimed at addressing the water scarcity issues in the Chengdu Plain Economic Circle by diverting water from the Dadu River [1][2] - The project will take 8 years to complete and will utilize a 260-kilometer system of tunnels and pipelines to transport water to the Dujiangyan irrigation area [1] - By 2040, the project is expected to supply 1.389 billion cubic meters of water, increasing to 1.523 billion cubic meters by 2050, benefiting 34.13 million people across 43 counties in the Chengdu Plain Economic Zone [2] Summary by Sections Project Overview - The "Yin Da Ji Min" project aims to create a dual water source for the Chengdu Plain by integrating water from the Dadu River with the Min River [1] - The project is a response to the increasing water scarcity in the region due to rapid economic development [1] Engineering Details - The project will involve the construction of over 260 kilometers of tunnels and pipelines, utilizing natural elevation for water flow [1] - It is designed to enhance the water supply guarantee rate for urban and industrial use from 90% to 97%, and for agricultural irrigation to 80% [2] Historical Context - The concept of the project dates back to the 1950s, undergoing decades of investigation and validation before receiving national approval [2] - The Dujiangyan irrigation system has historically provided water to the Chengdu Plain, which is now facing significant supply challenges due to population growth and uneven water distribution [1]