financially supported by the National Key R&D Program of China(No.2023YFF0803404);the Zhejiang Provincial Natural Science Foundation(No.LY23D040001);the Open Research Fund of Key Laboratory of Engineering Geophysical Prospecting and Detection of Chinese Geophysical Society(No.CJ2021GB01);the Open Re-search Fund of Changjiang River Scientific Research Institute(No.CKWV20221011/KY);the ZhouShan Science and Technology Project(No.2023C81010);the National Natural Science Foundation of China(No.41904100);supported by Chinese Natural Science Foundation Open Research Cruise(Cruise No.NORC2019–08)。
INTRODUCTION.Crustal velocity model is crucial for describing the subsurface composition and structure,and has significant implications in offshore oil and gas exploration and marine geophysical engineering(Xie et al....
The National Natural Science Foundation of China under contract Nos 42276062 and 42006071;the Seismological Research Foundation for Youths of Guangdong Earthquake Agency under contract No.GDDZY202307;the Strategic Priority Research Program of Chinese Academy of Sciences under contract No.XDA22020303;the Science and Technology Planning Project of Guangdong Province-Guangdong Collaborative Innovation Center for Earthquake Prevention and Disaster Mitigation Technology under contract No.2018B020207011.
Studies of converted S-wave data recorded on the ocean bottom seismometer(OBS)allow for the estimation of crustal S-wave velocity,from which is further derived the Vp/Vs ratio to constrain the crustal lithology and ge...