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利用重力资料反演密度界面对于研究盆地、区域构造和深部构造有着重要意义.但是密度基准面深度和界面密度差的不准确性降低了反演结果的可靠性.本文使用已知深度的控制点,在逐步迭代中计算出最合适的密度基准面深度和界面密度差,使反演结果和控制点拟合最好.理论模型和南海地区的莫霍反演结果表明本文方法可以计算出最合适的密度基准面深度和界面密度差,取得理想的反演结果.
The inversion of density interface by gravity data is of great significance for the study of the basin, regional structure and deep structure, but the inaccuracy of the density reference surface density and interface density reduces the reliability of the inversion results.This paper uses the known depth control points , The optimal density and interface densities were calculated in a step-by-step iteration to make the inversion results and control points fit best.The theoretical model and the Moho inversion results in the South China Sea show that this method can calculate the most suitable The density of the reference plane and the interface density difference, to obtain the ideal inversion results.