摘要
<正>自1817年亨利·卡特利用复合摆进行重力测量以来,地球重力场成为地球科学的重要组成部分。地球重力场是地下物质分布不均匀在空间上的宏观表现,在矿产资源探查、地质构造运动中得到了大量应用。实际观测的空间重力异常经过自由空气改正、布格改正、地形改正得到完全布格重力异常,经过均衡改正得到均衡重力异常。重力异常计算算法,随着大地测量技术的发展,不断得到改进。
引文
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