黄谟涛, 欧阳永忠, 刘敏, 翟国君, 邓凯亮. 海域航空重力测量数据向下延拓的实用方法[J]. 武汉大学学报 ( 信息科学版), 2014, 39(10): 1147-1152.
引用本文: 黄谟涛, 欧阳永忠, 刘敏, 翟国君, 邓凯亮. 海域航空重力测量数据向下延拓的实用方法[J]. 武汉大学学报 ( 信息科学版), 2014, 39(10): 1147-1152.
HUANG Motao, OUYANG Yongzhong, LIU Min, ZHAI Guojun, DENG Kailiang. Practical Methods for  the Downward Continuation of Airborne Gravity Data in  the  Sea Area[J]. Geomatics and Information Science of Wuhan University, 2014, 39(10): 1147-1152.
Citation: HUANG Motao, OUYANG Yongzhong, LIU Min, ZHAI Guojun, DENG Kailiang. Practical Methods for  the Downward Continuation of Airborne Gravity Data in  the  Sea Area[J]. Geomatics and Information Science of Wuhan University, 2014, 39(10): 1147-1152.

海域航空重力测量数据向下延拓的实用方法

Practical Methods for  the Downward Continuation of Airborne Gravity Data in  the  Sea Area

  • 摘要: 针对航空重力测量向下延拓过程固有的不确定性根据海域重力场的变化特点和现有技术条件分别提出了利用卫星测高重力向上延拓和超高阶位模型EGM2008直接计算延拓改正数从而实现航空重力测量向下延拓归算的两种实用方法联合使用卫星测高海面船测和航空重力测量数据进行了实际数值计算和精度评估验证了新方法的有效性.

     

    Abstract: Two practical  downward continuation methods are  proposed  for  the  sea  surveying areas  inaccordance with their  gravit y characteristics  and available  information  addressing the uncertainty of downward continuation  for  airborne  gravit y data.In the  first  methodthe  continuation corrections  are calculated by using the upward continuation of  satellite  gravit y data and  in  the other by using EGM2008gravit y field model.A satellite  gravit y data settwo sea-borne gravit y data  setsand an airborne gravit y data  set  are  used as  a case  stud y to  test  the  efficienc y of  these new methods.

     

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