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首页> 外文会议>Proceedings of 4th international GOCE User workshop. >POLAR GRAVITY FIELDS FROM GOCE AND AIRBORNE GRAVITY
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POLAR GRAVITY FIELDS FROM GOCE AND AIRBORNE GRAVITY

机译：重力和空中重力产生的极地重力场

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摘要

Airborne gravity, together with high-quality surface data andrnocean satellite altimetric gravity, may supplement GOCE to makernconsistent, accurate high resolution global gravity field models. Inrnthe polar regions, the special challenge of the GOCE polar gaprnmake the error characteristics of combination models especiallyrnsensitive to the correct merging of satellite and surface data. Wernoutline comparisons of GOCE to recent airborne gravity surveysrnin both the Arctic and the Antarctic. The comparison is done tornnew 8-month GOCE solutions, as well as to a collocationrnprediction from GOCE gradients in Antarctica. It is shown howrnthe enhanced gravity field solutions improve the determination ofrnocean dynamic topography in both the Arctic and in across thernDrake Passage. For the interior of Antarctica, major airbornerngravity programs are currently being carried out, and there is anrnurgent need for coordination, release and quality control of theserndata for the supplement of GOCE, as well as a need for anrninternational coordinated effort to fill-in the GOCE polar gap.
机译：机载重力，再加上高质量的地面数据和海洋学家的卫星重力，可以对GOCE进行补充，以建立一致，准确的高分辨率全球重力场模型。在极地地区，GOCE极隙的特殊挑战使得组合模型的误差特性对卫星和地面数据的正确合并特别敏感。 GOCE与北极和南极近期机载重力测量的Wernoutline比较。比较是对新的8个月GOCE解决方案以及南极洲GOCE梯度的搭配预测进行的。它显示了增强的重力场解决方案如何改善北极和整个德雷克海峡中的海洋动态地形的确定。在南极内部，目前正在执行主要的航空重力计划，迫切需要对补充GOCE的serndata进行协调，发布和质量控制，还需要国际上的协同努力来填写GOCE极隙。

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