Glacial Lake Outburst Floods and the Ritual Calendar Disruption in Bhutan’s Punakha Valley

冰川湖溃决洪水与不丹普那卡谷地仪式历法的中断

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Punakha Dzong, built in 1637 at the confluence of two rivers, now hosts emergency flood drills alongside centuries-old religious processions.
Monks recalibrate the annual Tsechu festival dates not solely by lunar cycles but by real-time glacial lake volume data from remote sensing platforms.

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