Shoreline Changes Dynamics at Bangkalan Regency

Abstract:

Coastal dynamics and stability becomes the distinctive characteristics in northern coastal at Bangkalan. Coastal morphology are dominated by beach sloping, substrate, and hydrooceanographics factors. One of the indicators was suspended sediment fluctuations. This study aims to know the shoreline changes use indicator suspended sediment and image overlay analysis. The research was conducted in April 2015 in the northern and western coastal region of Bangkalan. The main material in this study was suspended sediment samples and the substrates were taken at 28 points, and the image data of Landsat TM 1994 and 2014. Analysis of sediment suspension is using gravimetric method and substrate analysis using ASTM method. Data analyzed at the Laboratory of Marine Science, Trunojoyo University. The result shows in the northern and western coast at Bangkalan regency is dominated by sand and mud as well as a mixture both of them, the coastal waters are dynamic. The distribution of suspended sediment are relatively diverse in all locations with a range of 25-190 mg/L and can be used as an early indication of shoreline changes as a result of erosion and sedimentation. Landsat TM image analysis using 1994-2014 showed almost all areas in the northern and western coastal at Bangkalan regency are both abrasion and sedimentation.

• Periodical: Applied Mechanics and Materials (Volume 862)
• Pages: 27-33
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.862.27
• Online since: January 2017
• Authors: Aries Dwi Siswanto*, Wahyu Andy Nugraha, Ashari Wicaksono
• Keywords: Image Overlay, Sedimentation, Shoreline Change, Suspended Sediment

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