PEI Jian-xin, HAN Bo, ZHANG Xun-hua. RESEARCH ON DEEP STRUCTURES OF EAST CHINA SEA BY COMBINING UPWARD CONTINUATION AND WAVELET ANALYSIS METHODS[J]. Marine Geology & Quaternary Geology, 2007, 27(6): 55-59.
Citation: PEI Jian-xin, HAN Bo, ZHANG Xun-hua. RESEARCH ON DEEP STRUCTURES OF EAST CHINA SEA BY COMBINING UPWARD CONTINUATION AND WAVELET ANALYSIS METHODS[J]. Marine Geology & Quaternary Geology, 2007, 27(6): 55-59.
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RESEARCH ON DEEP STRUCTURES OF EAST CHINA SEA BY COMBINING UPWARD CONTINUATION AND WAVELET ANALYSIS METHODS

  • 1 College of Marine Geoscience, Ocean University of China, Qingdao 266100, China;

  • 2 Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China;

  • 3 Graduate School, Chinese Academy of Sciences, Beijing 100039, China;

  • 4 Qingdao Institute of Marine Geology, Qingdao 266071, China

More Information
  • Received Date: April 19, 2007
  • Revised Date: May 15, 2007
    Graphical Abstract
    • Abstract
  • East China Sea is an important part of West Pacific Tectonic Zone and a window to discuss the formation and evolution of west edge of the Pacific Ocean. Upward continuation has been used as a common method to process original gravity anomaly through strengthening deep anomaly and weakening local anomaly and it's important to deep structure research. Wavelet analysis is an effective tool to separate gravity and magnetic fields and it can not only extract deep anomaly but also separate regional and local anomalies. Based on the new Bouguer gravity anomaly data of East China Sea and adjacent regions,upward continuation and wavelet analysis methods were utilized in the present study. Bouguer anomaly results of 20 km upward and the 4th order wavelet approximation were compared and buried Moho depth was calculated and the characteristics of deep structures were analyzed. Anomaly of the 4th order wavelet approximation represents Moho and the 4th order detail wavelet result represents depression and uplift of East China Sea.
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    • References (13)
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