三年开展飞行作业33架次 有效填补青藏高原作业空白大型无人机青藏高原增雨雪试验成果显著

Core Insights - The large-scale drone experiment for increasing precipitation and snowfall in the Tibetan Plateau has achieved significant results after three years, supporting climate change response, ecological restoration, and water security [1][2] Group 1: Experiment Overview - The experiment, initiated in 2022, involves the use of large drones for weather modification in the "One River, Two Rivers" (Yarlung Tsangpo and Nyenchu, Lhasa Rivers) basins and the Sanjiangyuan area [1] - As of now, 33 flight operations have been conducted, totaling over 106 hours, marking a significant advancement in weather modification efforts in the Tibetan Plateau [1] Group 2: Technological Achievements - The research team successfully conducted meteorological detection and catalytic operations at altitudes above 5000 meters, demonstrating the feasibility of using large drones in complex high-altitude environments [2] - A method for identifying conditions and evaluating the effects of precipitation enhancement based on radar and satellite data has been established, along with a business process and platform for drone-based weather modification in Tibet [2] Group 3: Environmental Impact - The experiment has led to a notable increase in ground precipitation, with more cloud water converting into precipitation particles, indicating a high potential for weather modification in the region [2] - The vegetation index in the affected areas has significantly improved, contributing to better growth conditions [2] Group 4: Future Prospects - Starting in 2024, the experiment will transition into a regular operational phase, aiming to enhance operational capabilities and service benefits for ecological protection, climate change response, and public welfare [2]