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Back专家称青藏高原泥石流灾害与气候变暖有关
专家称青藏高原泥石流灾害与气候变暖有关
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中国新闻网5 hours agoEnvironment2 min readChina

专家称青藏高原泥石流灾害与气候变暖有关

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受访专家指出,此次泥石流灾害与全球气候变暖有关,气候变暖导致冰川加速消融,叠加地质等因素成为主要诱因。青藏高原冰川60年萎缩24%,冰湖数量和面积持续增长,加剧冰湖溃决洪水、泥石流等灾害风险。

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Why It Matters

青藏高原是全球重要的冰川分布区,长期以来冰川退缩和冰湖扩张增加了地质灾害风险。文章引用了三次冰川编目数据展示冰川面积变化趋势。

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这次泥石流灾害是因为气候变暖吗?记者采访了相关专家。

受访专家表示,此次灾害与全球气候变暖有关,气候变暖导致冰川加速消融,冰川因素、地质地貌因素和气候因素叠加是本次灾害发生的主要诱因;而冰岩崩链生灾害的复杂性及跨境联动防控的特殊性,也让高海拔地区防灾减灾工作面临多重难题。

当前,气候变暖正持续重塑全球冰冻圈生态、环境与灾害,青藏高原冰川消融退缩态势在加剧,成为区域性地质灾害频发的重要背景。依托我国跨越60年的三次冰川编目系统调查数据,青藏高原冰川萎缩趋势得到清晰认识,为区域灾害监测预警提供了坚实的数据支撑。

完整监测数据显示,青藏高原第一次冰川编目统计面积达5.1万平方公里,第二次编目面积缩减至4.4万平方公里,最新完成的第三次冰川编目数据表明,青藏高原冰川面积已降至3.9万平方公里。

中国科学院成都山地灾害与环境研究所所长、研究员康世昌介绍,过去60年间,青藏高原冰川整体萎缩面积达24%,缩减规模接近1/4,退缩态势十分显著。“其中,青藏高原南部退缩最为剧烈,冈底斯山、念青唐古拉山、喜马拉雅山等区域冰川60年萎缩率约40%,这一极端变化的主要诱因就是全球气候变暖。”康世昌说。

冰川持续消融直接推动高原冰湖数量、面积大幅增长,极大加剧了冰湖溃决洪水、泥石流等灾害风险。目前,青藏高原共有1.4万余个冰湖,总面积超1100平方公里,整体呈现持续快速扩张态势,灾害隐患不断累积。

中国科学院成都山地灾害与环境研究所研究员聂勇介绍,近几十年青藏高原冰湖整体扩张趋势明显,尤以我国南部边境喜马拉雅山区最为突出,该区域冰湖面积年均扩张率约1%,持续扩张的冰湖已成为高海拔地区最主要的地质灾害隐患载体。

本报记者 吴月辉 《人民日报》(2026年08月31日 第 04 版)

Open Questions

  • 具体发生泥石流的地点和时间未在文中明确
  • 文章未说明此次灾害造成的人员伤亡或经济损失情况
  • 未提及当地政府或应急部门对此次灾害的具体应对措施

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This article was originally published by 中国新闻网.

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