BATHYMETRIC MAPPING USING SPOT SATELLITE OF PANDANGAN ISLAND WATERS IN THE MAKASSAR STRAIT

Muhammad Banda Selamat1) and Bisman Nababan2)
1) Faculty of Fisheries and Marine Science, Hasanuddin Univ. email: mbandas2006@yahoo.com
2) Faculty of Fisheries and Marine Science, Bogor Agricultural University

Abstract
About 1800 water depth points were analyzed to determine the bathymetry of Pandangan Island waters in the Makassar Strait. The results after Jupp (1988) algorithm showed that the depth penetration for XS1, XS2, XS3 bands on SPOT satellite were -8 to -10 m, -6 to -8 m, and <-2 m deep below mean sea level, respectively. Overall, employing Jupp’s algorithm (1988) to estimate water depth from satellite data exhibited a good agreement (R2=0.821) with in situ measurements. In general, water depths determined by satellite overestimated (78% of total data) in situ measurements with positive Mean Relative Error of 26%. This results indicated that satellite data could be used to produce a bathymetric map for clear and relatively shallow water.

Keywords: bathymetry, depth zone, Jupp algorithm

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