地球物理场观测中的大气效应问题研究

Study of the Atmospheric Pressure Influence on Geophysical Observations

作用在地表的大气质量不仅产生引力位的扰动 ,而且会引起各种地球物理场的附加效应 .本文综述了近年来国内外同行在研究地表位移、重力、倾斜和应变固体潮观测中实施的大气效应改正问题 ,包括利用台站气压资料建立的实测模型 ,建立大气重力格林函数 ,利用全球和区域气象数据计算大气效应 ,建立大气改正的误差模型等 ,最后文章讨论了今后研究展望 .

The change in atmospheric pressure mass acting on the surface of the Earth can produce not only the gravitational perturbation, but also various variations in geophysical fields. The atmospheric pressure influence correction problems developed by international and home colleague in recent years on observations of surface displacements, gravity, tilt and strain are comprehensively summarized in the paper, including to establish the real model using station pressure data, to construct the atmospheric gravity Green's functions, to calculate atmospheric loading response based on the regional and global data, to establish the error models and so on. Finally the future study prospects are discussed in the paper.