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山洪是指由于暴雨、冰雪融化或拦洪设施溃决等原因,在山区(包括山地、丘陵、岗地)沿河流及溪沟形成的暴涨暴落的洪水及伴随发生的滑坡、崩塌、泥石流的总称。其中暴雨引起的山洪在我国最为常见。山洪灾害是指由山洪爆发而给人类社会系统所带来的危害。山洪具有突发性、水量集中、破坏力大等特点,危害很大。山洪及其诱发的泥石流、滑坡等灾害常
Flooding refers to the sudden ups and downs of floods and associated landslides, collapses and debris flows in the mountainous areas (including mountains, hills and hillocks) due to heavy rainfall, melting snow or flood control facilities. The torrential rain caused by flash floods is the most common in our country. The flash flood disaster refers to the harm caused by the flash flood to the human social system. Flash flood has a sudden, concentrated water, destructive power and other characteristics, a great harm. Flash floods and their induced debris flow, landslides and other disasters often