
开展冰冻圈与岩石圈巨灾应急联合科考,溯源8月26日尼泊尔北部边境冰川崩塌泥石流灾害
10月4日,我国喜马拉雅“8·26”极端地质灾害应急跨境科学考察队从成都启程赴尼泊尔。50余名科研人员将开展冰冻圈与岩石圈巨灾应急联合科考,全流域溯源尼泊尔北部边境冰川崩塌引发的跨境泥石流灾害。
AI-generated summary
今年8月26日,尼泊尔北部边境地区突发冰川崩塌,引发跨境泥石流,我国西藏吉隆口岸为主要承灾区。
今天(10月4日),我国喜马拉雅“8·26”极端地质灾害应急跨境科学考察队从成都启程赴尼泊尔,开展冰冻圈与岩石圈巨灾应急联合科考。本次科考共有十余家高校与科研院所50余名科研人员参加。
今年8月26日,尼泊尔北部边境地区突发冰川崩塌,引发跨境泥石流,造成重大人员伤亡。灾害源区位于尼泊尔境内,致灾过程跨国界演进,我国西藏吉隆口岸为主要承灾区。由于单边调查难以完整还原灾害全貌,赴尼泊尔现场溯源成为还原灾害全链条的关键一步。
中国科学院院士 王成善:我们从境外源区到境内吉隆口岸受灾区,再到境外下游区,开展全流域的科学考察。带着问题去,带着证据回,为灾情评估和过程重建提供重要基础,为吉隆口岸的重建,也为喜马拉雅山冰冻圈、岩石圈、巨灾防治提供科学支撑。
成都理工大学副校长 侯明才:喜马拉雅冰冻灾害,单靠一个国家的力量很难实现全面研判,中尼联合科考是一次非常宝贵的实践。具体解决以下几件事:一是把灾害源区到沟道转换过程补全;二是算清全流域沉积物厚度分布;三是给吉隆口岸重建和下游防范提供一手数据。
此次科考将综合运用无人机航测、直升机勘查、野外地质编录采样等技术手段,着力厘清冰岩崩向碎屑流、泥石流、碎屑洪流、洪流逐级链式转化的全过程。量化沿程侵蚀、搬运与堆积规律,为灾害链全过程解析重建、吉隆口岸恢复重建提供扎实科学依据。
AI outlook — possibilities, not facts
科考队将完成喜马拉雅8·26极端地质灾害全流域科学考察并提供数据
Very likely · Within months

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