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印尼苏门答腊三次大地震与中国珠江洪水关系的研究
A study on the relationship between the sumatra earthquake in Indonesia and the pearl river floods in China
【摘要】 本文研究印尼苏门答腊大地震与中国珠江流域大洪水之间的关系[1].印尼苏门答腊以南的板块俯冲带,是强烈地震活跃地区.近200年来发生3次大地震:1833年11月24日8.7级地震、1861年2月21日8.5级地震和2004年12月26日Mw9.3级地震.每次地震后,第二年都在中国华南珠江流域发生巨灾.巨大地震产生宽阔的地震破裂带,引起地壳中放出携热水汽.由于地下裂隙的复杂性和不畅性,放气效应到达地表可滞后于地震断续达一年以上.排出的水汽被搭载在西南气流上到达华南地区.
【Abstract】 In this paper,it is studied that the relationship between the Sumatra Earthquake and the Pearl River Floods.The subduction zones in south of Sumatra are trouble spots of strong earthquakes.In the past 200 years,serious earthquakes took place for three times,Ms 8.7 Nov.11th,1833,Ms8.5 Feb.21st,1861,Ms 9.3 Dec. 26th,2004.The second year after the earthquakes,heavy floods happened in the Pearl River Basin in South China.The earthquakes caused broad zones of fracture,which made hot water vapours release from the earth’s crust.Because of complex and obstructed fissures,the water vapours rose up to the earth surface one year later after the earthquakes.The water vapours moved to South China with the southwest air current.
【Key words】 disaster chains; great disasters; forecast; southwest air current; earthquakes; floods;
- 【文献出处】 地球物理学进展 ,Progress in Geophysics , 编辑部邮箱 ,2007年04期
- 【分类号】P315;P694
- 【被引频次】4
- 【下载频次】140