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Chinese commentary is focussing on why the warning to Nepal was delayed before the floods

Some Chinese online commentary has characterised criticism of China’s handling of the disaster as an information war, particularly from Indian accounts.

Chinese commentary on the latest flash floods along the China-Nepal border largely presents them as a shared Himalayan risk, driven by climate change, extreme terrain and the difficulty of monitoring hazards across borders. Much of the discussion centres on what may have triggered the disaster and why early warnings failed. Far less attention is paid to the growing exposure of people and infrastructure to such hazards, including the role of expanding connectivity and infrastructure in a fragile Himalayan environment.

Global Times reported that this was a chain reaction that began with instability in high-altitude glaciers and was amplified by ice and rock collapses, mountain erosion and debris flows. Zhang Qianggong, head of climate and environmental risk at the International Centre for Integrated Mountain Development, identifies three factors behind the speed and scale of the floods: The steep vertical drop gave collapsed material enormous potential energy; narrow valleys left little room for debris to disperse; and glacial valleys and river channels contained large amounts of loose material that debris flows picked up as they moved, increasing their volume and force.

These conditions also make early warning difficult. Jin Canrong, professor and vice dean at Renmin University, notes that China can closely monitor risks within its territory, but monitoring Nepal’s upper mountain areas is far harder. Landslide lakes are especially unpredictable: once a barrier bursts, downstream communities may have less than an hour to evacuate.

The early-warning gap

Chinese commentary attributes the delayed warning to gaps in the cross-border system, particularly the lack of a fully integrated, real-time network linking Chinese and Nepalese monitors.........

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