单斜地形情况下的磁共振测深方法反演研究

李凡, 周明, 李开天, 鲁恺, 李振宇

Inversion of magnetic resonance sounding under the condition of surface slope

LI Fan, ZHOU Ming, LI Kai-Tian, LU Kai, LI Zhen-Yu

图7 单斜地形一维含水体模型设置及核函数分布 a—预设含水层模型,代表含水层位于地下5~9 m及15~21 m处;b—正演计算得出的平行含水层、水平含水层及在无地形倾角情况下的NMR信号初始振幅与激发脉冲矩关系曲线;c—无倾斜地形情况下的核函数分布;d—单斜地形情况下的平行分层核函数;e—单斜地形情况下的水平分层核函数

Fig.7 Diagram of 1D aquifer setting and kernel function distribution in condition of surface slope a—theoretical aquifer model, which represents that the aquifer is located at 5~9 m and 15~21 m underground; b—the relationship between the initial amplitude of NMR signal and the excitation pulse moment of the parallel aquifer, the horizontal aquifer and the aquifer with no topographic inclination; c—kernel function distribution in horizontal terrain; d—kernel function distribution of parallel stratification in inclined terrain; e—kernel function distribution of horizontal stratification in inclined terrain