Abstract. The purpose of this study was to analyze the distribution dynamics and TSS concentrations based on four different seasons and different years for five years. Image processing of TSS included Correction with Dark Object Substraction and Atmospheric correction method, and Syarif Budhiman algorithm used to extract TSS. The image processing of coastal ecosystem was composed of eight main steps including: atmospheric correction, cropping, masking, depth invariant index, Unsupervised

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... ication, ground truthing, reclassify, and accuracy assessment. The distribution of suspended sediments is the highest and dominant content in the coastal area adjacent to the river estuary. In addition, based on quality standards for marine biota and TSS values for fisheries purposes, it can be revealed that the fertility of Spermonde coastal waters crosses the quality standard and is not good for fisheries activities.