大气引力负荷格林函数

Green's Functions of Atmospheric Gravitation Loading

主要研究大气引力变化对地表位移的影响 ,在经典的负荷理论基础上 ,从运动方程着手 ,定义了大气引力勒夫数 ,并推导了高阶引力勒夫数的渐近表达式、大气引力造成的地球变形的地表位移、重力、地倾斜、应变等格林函数 ;

In order to advance the convergence effect, a set of asymptotic equations of the atmospheric gravitational load Love Numbers are presented. Green's functions of atmospheric gravitation loading, describing the Earth deformation which includes horizontal and vertical displacements, horizontal and vertical accelerations and strain tensor, are derived out by evaluating the properly weighted sums of the load Love numbers. By taking into account of asymptotic expressions of the gravitation load Love numbers, the Green's functions are reformulated to make them converge faster. This may improve the accuracy of the Green's functions in piratical computation. The numerical results of Green's functions for the unit point mass at the heights of 0km, 1km, 20km, 6km above the Earth's surface are listed in Table 3.