利用IGRF模型计算全张量地磁梯度
钟炀, 管彦武, 石甲强, 肖锋

The calculation method of full tensor geomagnetic gradient based on IGRF model
Yang ZHONG, Yan-Wu GUAN, Jia-Qiang SHI, Feng XIAO
图3 地磁场偏角D(a)及倾角I(b)等值线
Fig.3 Contour map of geomagnetic field deviation(a) and dip angle(b)