This article reviews the progress made in geodetic work in China since the 1980s.In order to meet the needs of China’s economic and defense construction,and scientific and social development in the early 21th century...This article reviews the progress made in geodetic work in China since the 1980s.In order to meet the needs of China’s economic and defense construction,and scientific and social development in the early 21th century,some main geodetic actions which should be completed before 2000 are proposed as follows.(1) Monitoring vertical crustal movements and conducting studies on its mechanism.Releveling of the second phase of the national first order leveling network.Computation of the vertical crustal movement.(2) Improvement of national space geodetic network.The main task is to lay down a national B-order GPS network and complete its data processing.(3) Refining of Chinese local gravity field on land and sea.The determination of Chinese local quasi geoid with higher than one meter accuracy.Application of展开更多
文摘This article reviews the progress made in geodetic work in China since the 1980s.In order to meet the needs of China’s economic and defense construction,and scientific and social development in the early 21th century,some main geodetic actions which should be completed before 2000 are proposed as follows.(1) Monitoring vertical crustal movements and conducting studies on its mechanism.Releveling of the second phase of the national first order leveling network.Computation of the vertical crustal movement.(2) Improvement of national space geodetic network.The main task is to lay down a national B-order GPS network and complete its data processing.(3) Refining of Chinese local gravity field on land and sea.The determination of Chinese local quasi geoid with higher than one meter accuracy.Application of