Progresses and Prospects in Developing Marine Geodetic Datum and Marine Navigation of China

doi:10.11947/j.AGCS.2017.20160519

Abstract

Abstract: Territorial water is a significant part of national sovereignty of China, thus the infrastructures of national space datum and location services should not only cover the land areas, but also the sea areas. China has established relatively complete geodetic datum in land areas over the past decades, including the new developed China Geodetic Coordinate System 2000 (CGCS 2000) and the national gravity datum 2000. However, the currently used geodetic infrastructures have not well covered the sea areas of China. The marine geodetic datum and marine navigation technologies need to be further developed and extended to satisfy the national demands of marine defense and marine economy development in new era of China. This paper mainly reviews the developing states and progress of Chinese marine geodetic datum and marine navigation, analyses key technologies in establishing the national marine geodetic datum. The develop current trends and future directions for the national marine geodetic datum and marine navigation technologies are listed.

Key words: marine surveying, geodesy, datum, underwater navigation, positioning

CLC Number:

P229

YANG Yuanxi, XU Tianhe, XUE Shuqiang. Progresses and Prospects in Developing Marine Geodetic Datum and Marine Navigation of China[J]. Acta Geodaetica et Cartographica Sinica, 2017, 46(1): 1-8.

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