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第五节 泥石流 PowerPoint PPT Presentation


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第五节 泥石流. 泥石流的危害. 泥石流给该地区带来了哪些危害?. 2010 年 8 月 7 日夜 22 点左右 , 甘肃甘南藏族自治州舟曲县 , 泥石流冲进县城,并形成堰塞湖 , 致 1287 人遇难 457 人失踪. 舟曲“最牛楼房”被泥石流包围成孤岛. 2005 年 9 月 3 日晚 19~23 时冲毁民房 132 间,死亡 9 人。. 临安市昌化镇后葛村、后营村泥石流. 2006 年 8月 11 日凌晨 受8号超强台 风带来的强降 雨影响,石磨 下村附近山体 多处发生浅表 层土质滑坡, 并由这些滑坡 作为起动条件 形成了泥石 流,共造成

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第五节 泥石流

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20108722,, ,1287457


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20059319~231329


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2006

11

158


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8.13

2004813,14,,375


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1.

2. 3-47A

3. A

4. 3-47A 3-48 C

5. 3-47A ______________________________

A


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1. 3-47B A

2. ?

3. A


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50


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4______

AC


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B

A

1AB


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C


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3

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B


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c


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D


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