地球磁异常EMAG2v3与全球重力数据库V29数据质量综合评估——以北极地区Aegir脊为例

张冕, 张春灌, 赵敏, 钟振华, 袁炳强, 周磊, 韩梅

An integrated data quality evaluation of Earth magnetic anomaly grid EMAG2v3 and global gravimetric database V29: A case study of the Aegir ridge in the Arctic

ZHANG Mian, ZHANG Chun-Guan, ZHAO Min, ZHONG Zhen-Hua, YUAN Bing-Qiang, ZHOU Lei, HAN Mei

图3 Aegir轴裂谷重力异常及数据对比 a—船测重力异常;b—地球重力异常(V29);c—船测重力异常与地球重力异常(V29)的相关系数;d—船测磁力异常与地球重力异常(V29)的差值;e—测线A重力异常及差值;f—测线B重力异常及差值

Fig.3 Aegir axis rift gravity anomaly and data comparison a—ship-measured gravity anomaly; b—Earth gravity anomaly (V29); c—correlation coefficient between ship-measured gravity anomaly and Earth gravity anomaly (V29); d—difference between ship-measured gravity anomaly and Earth gravity anomaly (V29); e—line A gravity anomaly and difference; f—line B gravity anomaly and difference