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中文摘要：
基于分析得到的海水质量亏损引起的重力异常与海深之间的线性关系,利用由卫星测高资料计算得到的空间重力异常格网值,联合EGM96重力场模型和ETOPO2海深模型,反演得到南海海底地形,反演结果分别与船测海深数据和ETOPO2海深模型进行比较,其精度和分辨率较ETOPO2海深模型均有明显提高。
英文摘要：
On the basis of the proposed approximate linear relation between the square of ocean depth and the gravity anomaly caused by the mass deficiency of the ocean water, the submarine topography of South China Sea was inversed by using the gridded gravity anomaly values from satellite altimetry data, and combing earth gravity field model EGM96 and ocean depth model ETOPE2. The inversion results are compared with the ship data and ETOPO2 model, it is shown that the accuracy and resolution are significantly improved as compared to the ETOPO2 model.
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