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RESEARCH ON DEEP STRUCTURES OF EAST CHINA SEA BY COMBINING UPWARD CONTINUATION AND WAVELET ANALYSIS METHODS
Author(s): 
Pages: 55-59
Year: Issue:  6
Journal: MARINE GEOLOGY & QUATERNARY GEOLOGY

Keyword:  向上延拓小波分析莫霍面东海;
Abstract: 东海是环太平洋活动构造带的重要组成部分,是探讨西太平洋边缘及边缘海形成演化的重要窗口.向上延拓主要用来削弱局部异常,突出深部异常,小波分析是重磁场位场分解的有效工具,不仅能提取深部异常,还能更好地将区域异常和局部异常分离.本文利用东海及邻域最新的布格重力异常数据资料,将小波分析与解析延拓方法相结合,分析对比向上延拓20 km的布格重力异常结果与小波分析4阶逼近布格重力异常结果,结合东海及邻域莫霍面的深度,对重力场及莫霍面深度进行初步研究.其中小波4阶逼近结果代表莫霍面形态,小波4阶细节结果代表东海及邻域凹陷凸起形态.
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