航空地球物理勘探在南极调查中的应用
李筱1,2,3(
), 佟晶1, 张婉1, 姚国涛1, 张玄杰1
), 佟晶1, 张婉1, 姚国涛1, 张玄杰1
Application of airborne geophysical survey in antarctica
LI Xiao1,2,3(), TONG Jing1, ZHANG Wan1, YAO Guo-Tao1, ZHANG Xuan-Jie1
), TONG Jing1, ZHANG Wan1, YAO Guo-Tao1, ZHANG Xuan-Jie1
图5. 基于航空重力数据反演得到的Dotson冰架冰下地形[
a—南极沿岸冰架接地线示意;b—阿蒙德森海沿岸航空重力异常;c—航空重力数据观测曲线与反演拟合计算曲线;d—基于航空重力数据反演得到的Dotson冰架冰下E-E'剖面地形(粉色为MBES测量数据,黑色为重力反演结果曲线)
Fig.5. Basement surface topography under Dotson Ice inverted by airborne gravity data[
a—grounding line model in Antarctic coastal ice shelf; b—free-air gravity anomalies in Dotson Ice Shelf;c—the observed and calculated airborne gravity anomaly;d—inverted surface topography of Dotson Ice Shelt E-E'profile based on airborne gravity data
