The Patagonian Ice Field’s Meltwater Routing and Argentina–Chile Glacial Boundary Arbitration

巴塔哥尼亚冰原融水路径与阿根廷—智利冰川边界仲裁

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Glacial retreat across the Southern Patagonian Ice Field has rerouted meltwater flow paths, transforming what were once transboundary rivers into isolated proglacial lakes or ephemeral streams crossing undefined frontier zones.
Argentina and Chile rely on the 1998 Glaciers Treaty to resolve boundary disputes, yet its provisions assume stable ice geometry—not accelerating mass loss altering watershed divides in real time.

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