Coastal erosion risk assessment in the coastal area of Muara Asam Asam, Tanah Laut Regency

Ghiffari, Rizki Adriadi and Armono, Haryo Dwito (2021) Coastal erosion risk assessment in the coastal area of Muara Asam Asam, Tanah Laut Regency. In: ICST 2021 – The 2nd Geoscience and Environmental Management Symposium.

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Abstract

Coastal erosion is the process of land erosion in coastal areas due to waves and ocean currents which reduce land and can adversely affect socio-economic activities in coastal areas. Coastal erosion risk assessment in the estuary is a development of previous research, because the erosion and accretion processes do not only occur along the shoreline, but also on the side facing river water bodies, due to the confluence of fluvial and marine processes. The landward shift of the shoreline in the Muara Asam Asam coastal area has reached 90 meters in the last 28 years, and has been detrimental because the area is a densely populated area with major economic activities in the fisheries and agriculture sectors. This study aims to determine the coastal erosion risk level zones based on the relationship among vulnerability and consequence parameters, through distance decay weighted based method. The results indicate that Muara Asam Asam has high risk zones of coastal erosion, especially in densely populated residential areas and dry land agriculture on the west side of the estuary, due to the lack of implementation of preventive measures through hard coastal structure and coastal zoning policy to protect socio-economic activities and coastal ecological environments. © The Authors, published by EDP Sciences.

Item Type: Conference or Workshop Item (Paper)
Additional Information: Cited by: 0; All Open Access, Gold Open Access, Green Open Access
Subjects: G Geography. Anthropology. Recreation > GE Environmental Sciences
Divisions: Faculty of Geography > Departemen Geografi Lingkungan
Depositing User: Sri JUNANDI
Date Deposited: 04 Oct 2024 23:25
Last Modified: 04 Oct 2024 23:25
URI: https://ir.lib.ugm.ac.id/id/eprint/3899

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