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<p>Small alpine lakes are rapidly emerging as an overlooked yet critical component of cryospheric risk in high-mountain regions worldwide. Hazard and risk assessments have long prioritized large alpine lakes, but the accelerating formation of small lakes in unstable, deglaciating terrain reveals a major blind spot in monitoring, modelling and policy frameworks. Here we argue that despite their modest size, these lakes have already triggered destructive outburst floods, disproportionately affecting remote and marginalized communities with limited adaptive capacity. Advancing mountain sustainability therefore requires integrating these consequential hazards into climate and disaster governance to ensure equitable, risk-informed resilience in a warming world.</p>

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Increasing global threat of outburst floods from overlooked small alpine lakes

  • 期刊论文

  • 发表日期：

    2026年6月26日

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  • Rayees Ahmed,
  • Lydia Sam,
  • Anshuman Bhardwaj,
  • Anil V. Kulkarni,
  • Shintaro Yamasaki

摘要

Small alpine lakes are rapidly emerging as an overlooked yet critical component of cryospheric risk in high-mountain regions worldwide. Hazard and risk assessments have long prioritized large alpine lakes, but the accelerating formation of small lakes in unstable, deglaciating terrain reveals a major blind spot in monitoring, modelling and policy frameworks. Here we argue that despite their modest size, these lakes have already triggered destructive outburst floods, disproportionately affecting remote and marginalized communities with limited adaptive capacity. Advancing mountain sustainability therefore requires integrating these consequential hazards into climate and disaster governance to ensure equitable, risk-informed resilience in a warming world.