Open AccessStudy of Longshore Sediment Transport on Erosion and Sedimentation Beaches in South Sulawesi
Author(s) -
Hasdinar Umar,
Achmad Yasir Baeda,
Firman Husain,
Taufiqurrahman Taufiqurrahman
Publication year - 2020
Publication title -
iop conference series. materials science and engineering
Language(s) - English
Resource type - Journals
eISSN - 1757-899X
pISSN - 1757-8981
DOI - 10.1088/1757-899x/875/1/012075
Subject(s) - sedimentation , longshore drift , erosion , sediment , sediment transport , coastal erosion , geology , sedimentary budget , hydrology (agriculture) , geomorphology , geotechnical engineering
Accumulation of sediment on the beaches absorbs and reflects energy which mainly comes from waves. If all wave energy is absorbed, the beaches is in a balanced condition. Conversely, if the beaches is in an unbalanced condition, erosion and sedimentation will occur which in turn will cause damage to the coastal line. To overcome the problem of erosion and sedimentation that occurs usually the first step that must be done is to look for the causes of erosion and sedimentation, so that by knowing the cause, then you can determine how to overcome them. To find out what approaches can be used to overcome erosion and sedimentation problems, a survey and study of erosion and sedimentation that occur on the beaches must first be conducted. This research was conducted by first analyzing the characteristics of coastal sediment grains then analyzing the predicted erosion and sedimentation on the beaches and calculating the magnitude of longshore sediment transport using empirical equations. Result of the research shows that Padongko Beach Mangempang Village Barru Regency has sedimentation with total longshore sediment transport was 201.71 m 3 /years, and Desa Aeng Batu-Batu Beach Galesong Utara Takalar Regency has sedimentation with longshore sediment transport was 169.79 m 3 /years