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2 Aegir轴裂谷磁力异常及数据对比 a—船测磁力异常;b—EMAG2v3地球磁异常;c—船测磁力异常与EMAG2v3的相关系数;d—船测磁力异常与EMAG2v3的差值;e—测线A磁异常及差值;f—测线B磁异常及差值

Fig.2 Aegir axis rift magnetic anomaly and data comparison a—aeromagnetic anomaly; b—Earth magnetic anomaly grid(EMAG2v3); c—correlation coefficient between aeromagnetic anomaly and EMAG2v3; d—difference between aeromagnetic anomaly and EMAG2v3; e—line magnetic anomaly and difference of measurement A; f—line magnetic anomaly and difference of measurement B