The debris flow gullies of Banzi, Taoguan and Chediguan generate low frequency and low viscous debris flows or hyper-concentrated flows with an average interval of 20~50 years.

板子沟、桃关沟和彻底关沟均为低频率泥石流或高含沙洪水，平均20～50年发生一次；

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The debris flow gullies of Banzi, Taoguan and Chediguan generate low frequency and low viscous debris flows or hyper-concentrated flows with an average interval of 20~50 years.

板子沟、桃关沟和彻底关沟均为低频率泥石流或高含沙洪水，平均20～50年发生一次；

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