Case study of coastal erosion from Tok Jembal until Teluk Ketapang Beach, Kuala Terengganu, Terengganu

Abstract

Study on beach profile changes and sediments characteristics was conducted along Tok Jembal until Teluk Ketapang beach, Kuala Terengganu, Terengganu. This study was done in order to determine the beach profile and sediment characteristics at study area. Sampling has been carried out three times which is on May, October 2010 and January 2011. Sampling was done in eight stations with interval of distance ranging from 300 m to 500 m. Transit Sokkia C 10 was used to measure beach profile. Meanwhile, for sediment characteristic analysis, sample of sediment was collected at three water levels which is at high tide, mid tide and low tide. A method of moments was employed to calculate the sedimentological parameters. Based on beach profile analysis, deposition process dominated the beach on May to October 2010. Meanwhile, beach had undergone erosion on October 2010 to January 2011. Station I, 2, 3, 4, 5, and 7 experienced deposition on May to October 2010, while Station 6 and 8 undergone erosion. On October 2010 to January 2011, Station I, 2, 3, 4, 7 and 8 had undergone erosion. However, Station 5 and 6 experienced deposition process. Based on the study of sediment characteristics, the study area is composed of coarse sand, moderately sorted and poorly sorted sediments. This shows that the study area is active in terms of hydraulic energy level.