APPLICABILITY OF 10Hz SATELLITE ALTIMETRY DATA TO THE ANTARCTIC MARGIN

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概要

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• Since the declassification of the Geosat Geodetic Mission (Geosat/GM), cross-track resolution of satellite altimeter profiles has improved remarkably. Consequently, the cross-track resolution somewhat exceeds the along-track resolution. To utilize the high-density of Geosat/GM profiles, we examine whether the along-track resolution is improved by using the 10Hz sampling data or not. For this purpose, Geosat/GM profiles in the Southern Ocean and Antarctic margin are mainly tested. Ten Hz data are converted into grids of gravity anomaly following the recipe given by D.T. SANDWELL (Geophys. J. Int., 109,437,1992). The converted grids are then compared with the grids of high-cut filtered data. The result implies that the 10 Hz data can show more detailed structures than filtered data.

• 国立極地研究所の論文

著者

• Fukuda Yoichi

  Graduate School Of Science Kyoto University

• Terada Kumiko

  Graduate School Of Science Kyoto University

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