<紀要論文>
縁辺海の海底地形データ作成手法について

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概要 This report describes procedures taken to compile two sets of bathymetric grid data covering the South China Sea and the East China Sea, respectively, which refer to about 6.5 million sounding data. T...he products differ from existing DEMs in three points: (1) incorporated latest sounding data including multibeam profiles and electronic navigational charts the areal coverages of which have extended markedly in the last decade, (2) did not use a smoothing filter explicitly so that the data precision varied among regions while reproduced detailed bathymetric features such as elongated ridges and abrupt depth changes along continental margins at areas where sufficient amount of data were available, and (3) conducted an extensive quality control to eliminate artificial features caused by erroneous source data. Characteristics of the products were verified at several sites by comparing with existing products.続きを見る
目次 1.はじめに
2.使用データ
3.手法
4.結果
5.考察
6.まとめ

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登録日 2018.05.08
更新日 2020.02.10