Abstract
Total Suspended Sediment (TSS) is one of the factors to determine water quality. The large number of TSS indicated the turbid water. Highly turbid water can affect water biophysics. Therefore, mapping TSS distribution is important for managing and preserving coastal areas. Sentinel-2A image uses to create multitemporal TSS from January 2017 to May 2018. This study goals are testing Sentinel-2A image to create TSS map and making TSS temporal map. Image transformations that used were Normalized Difference Suspended Sediment Index (NDSSI), Normalized Suspended Material Index (NSMI) and Band Ratio using green, red, and blue band channels. The best image transformation that analysis with Stepwise Regression is Band Ratio image. The results of laboratory tests showed minimum TSS content of 0.98 mg/L and maximum content of 4.56 mg/L. The accuracy value from TSS mapping with a band ratio image reach 80.51%, indicates that the use of band ratios (b3/b4) is representative to TSS mapping. TSS distribution is dynamic, indicated by TSS temporal map. Dynamic content of TSS influenced by the season. TSS content in wet seasons (October-April) is higher than in dry season (April-October).
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