The ocean is an important economic channel and security barrier,and it is necessary to establish a seafloor geodetic fiducial network that can sense changes in the Marine environment in real time and quickly.The seafloor geodetic datum has great advantages and plays an important role in Marine resource exploration,Marine scientific research,and Marine security.By reviewing the development of seafloor geodetic fiducial network construction at home and abroad,the main construction ideas and key scientific problems of seafloor geodetic fiducial network construction are analyzed and discussed.This article expounds the significance of developing and constructing seafloor gravity datum independently,and analyzes the key technologies to be broken through in constructing seafloor gravity fiducial network.On the basis of the continuous breakthrough of quantum precision measurement technology,the consideration of using quantum measurement technology to change the defects of existing observation technology is proposed,which is expected to accelerate the construction of seafloor geodetic reference network and provide continuous,safe,reliable and high-precision spatiotemporal services on land and sea for the underwater complex environment.
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