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Article

Urban Coastal Flood-Prone Mapping under the Combined Impact of Tidal Wave and Heavy Rainfall: A Proposal to the Existing National Standard

Center for Research, Promotion and Cooperation, Geospatial Information Agency, Jalan Raya Jakarta Bogor Km 46, Cibinong 16911, Indonesia
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ISPRS Int. J. Geo-Inf. 2020, 9(9), 525; https://doi.org/10.3390/ijgi9090525
Received: 24 July 2020 / Revised: 19 August 2020 / Accepted: 27 August 2020 / Published: 1 September 2020
The drivers for coastal flooding may vary from extremely high intensity and persistent rainfall, morphological factors of the coastal area, to extreme waves from the ocean. This means that the flood vulnerability of a coastal area does not solely depend on a single driver but can be a combination with others. A national standard for coastal flooding based on rainfall drivers has been developed. As an evaluation, this study aimed to develop a method for coastal flood-prone mapping by combining rainfall with tidal waves. The steps included the assessment of the coastal flood-prone areas driven by rainfall (CFR) and the coastal flood-prone areas by combined drivers (CFC), which was developed by employing the analytic hierarchy process (AHP), spatial-overlaid, weighted-scored, and logical tests. The coastal area of Mataram City on the Island of Lombok in Indonesia was selected as the study area, since it is frequently affected by flooding. The findings determined the essentiality of the CFC method for identifying flood vulnerability areas. Thus, the minimum standard for CFC parameters can be defined with climatic and land characteristic factors. Further, the findings also identified the need for expert judgment in the development of the CFC weighted score-based method. View Full-Text
Keywords: coastal flood; tidal wave; rainfall coastal flood; tidal wave; rainfall
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MDPI and ACS Style

Sutrisno, D.; Rahadiati, A.; Rudiastuti, A.W.; Dewi, R.S.; Munawaroh. Urban Coastal Flood-Prone Mapping under the Combined Impact of Tidal Wave and Heavy Rainfall: A Proposal to the Existing National Standard. ISPRS Int. J. Geo-Inf. 2020, 9, 525. https://doi.org/10.3390/ijgi9090525

AMA Style

Sutrisno D, Rahadiati A, Rudiastuti AW, Dewi RS, Munawaroh. Urban Coastal Flood-Prone Mapping under the Combined Impact of Tidal Wave and Heavy Rainfall: A Proposal to the Existing National Standard. ISPRS International Journal of Geo-Information. 2020; 9(9):525. https://doi.org/10.3390/ijgi9090525

Chicago/Turabian Style

Sutrisno, Dewayany, Ati Rahadiati, Aninda W. Rudiastuti, Ratna S. Dewi, and Munawaroh. 2020. "Urban Coastal Flood-Prone Mapping under the Combined Impact of Tidal Wave and Heavy Rainfall: A Proposal to the Existing National Standard" ISPRS International Journal of Geo-Information 9, no. 9: 525. https://doi.org/10.3390/ijgi9090525

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