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Coastal Vulnerability Assessment and Disaster Risk Management of the Betahwalang Conservation Area, Demak, Indonesia

ILMU KELAUTAN: Indonesian Journal of Marine Sciences · Vol. 31 No. 3 (2026) · hlm. 309–322

DOI
10.14710/ik.ijms.31.3.309-322
ISSN
2406-7598, 0853-7291
Terbit
2026-09-10
Penerbit
Marine Science Department Diponegoro University
Bahasa
eng
Lisensi
creativecommons.org/licenses/by-sa/4.0

Abstrak

Low-lying coastal regions worldwide face escalating threats from sea-level rise, land subsidence, coastal erosion, and recurrent tidal flooding, underscoring the urgent need for effective disaster management informed by spatial vulnerability assessments. This study evaluates temporal changes in coastal vulnerability within Betahwalang Waters, Demak Regency, Indonesia, over the period 2015–2025, applying the Coastal Vulnerability Index (CVI) integrated with Geographic Information Systems (GIS). Primary data were obtained through field surveys, whereas secondary data comprised Sentinel-2 satellite imagery, digital elevation and bathymetric datasets, and tidal records. Coastal vulnerability was analyzed using a GIS-based weighted overlay approach that combined and quantified multiple physical, geological, and environmental parameters. The results reveal that approximately 69% of the study area falls within the high to very high vulnerability categories, with geomorphology and coastal slope emerging as the two dominant contributing factors, each accounting for 20% of the overall index. A comparison with the 2015 BNPB coastal hazard assessment indicates a pronounced spatial expansion of high-vulnerability coastal zones over the past decade, primarily driven by tidal inundation, aquaculture expansion, and progressive mangrove degradation. This study contributes to coastal disaster management by demonstrating the value of integrating field observations, remote sensing, and GIS for monitoring long-term vulnerability dynamics. The findings offer a robust scientific basis for disaster risk reduction, vulnerability-based spatial planning, and ecosystem-based coastal management. Collectively, they provide a practical and transferable framework for strengthening the resilience of tropical deltaic coasts confronting intensifying climate-related hazards in similarly vulnerable low-lying coastal environments worldwide.

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  • Diponegoro University
  • Universitas Borneo Tarakan
  • Cenderawasih University
  • Indonesia Defense University
  • IPB University
  • Ministry of Marine Affairs and Fisheries
  • National Kaohsiung University of Science and Technology
  • Organisasi lain
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Tampilkan sebagai tabel
Rekan penulisOrganisasiArtikel bersama
Hermin Pancasakti KusumaningrumDiponegoro University10
Widianingsih WidianingsihDiponegoro University8
Retno HartatiDiponegoro University7
Gazali SalimUniversitas Borneo Tarakan6
Endang KusdiyantiniDiponegoro University5
Ambariyanto AmbariyantoDiponegoro University5
Chrisna Adhi SuryonoDiponegoro University5
Lukman Yudho PrakosoIndonesia Defense University4
Denny Nugroho SugiantoDiponegoro University4
Sri RedjekiDiponegoro University4
Muhammad FirdausIPB University3
Permana Ari SoejarwoMinistry of Marine Affairs and Fisheries3
Christine Dyta NugraeniUniversitas Borneo Tarakan3
Yen Thi Hong PhamNational Kaohsiung University of Science and Technology3
Ita RiniatsihDiponegoro University3
RoziUniversitas Airlangga2
Thonas Indra MaryantoBandung Institute of Technology2
Anindya WirasatriyaDiponegoro University2
Valentina R. IrianiDiponegoro University2
Julian RansanganInstitut Marin Borneo2
Muhammad ZaenuriAfiliasi tidak diketahui2
Ita WidowatiDiponegoro University2
Lolita Lolita TuhumenaAfiliasi tidak diketahui1
Imam MishbachCenderawasih University1
Lalu Panji Imam AgamawanCenderawasih University1
Baigo HamunaCenderawasih University1
Liyatin GeaCenderawasih University1
Suriyanti .Afiliasi tidak diketahui1
MeiryaniBinus University1
Budi PramonoIndonesia Defense University1
Rukisah .Afiliasi tidak diketahui1
NgungutUniversitas Borneo Tarakan1
Laurha Annisa LintingUniversitas Borneo Tarakan1
Susiyanti SusiyantiSultan Ageng Tirtayasa University1
Mufrida ZeinPoliteknik Negeri Tanah Laut1

Afiliasi berasal dari OpenAlex; metadata OAI-PMH jurnal tidak memuatnya. Penulis tanpa ID OpenAlex dicocokkan berdasarkan nama, sehingga dua orang bisa tergabung atau satu orang bisa terpisah.

Sumber metadata: OAI-PMH (metadata jurnal) http://ejournal.undip.ac.id/index.php/ijms/oai, pertama di-harvest 8 Nov 2026, terakhir terlihat 8 Nov 2026.
Metadata asli (oai_dc) 
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	<dc:title xml:lang="en-US">Coastal Vulnerability Assessment and Disaster Risk Management of the Betahwalang Conservation Area, Demak, Indonesia</dc:title>
	<dc:creator>Indarjo, Agus</dc:creator>
	<dc:creator>Maharani, Galung Dhiva</dc:creator>
	<dc:creator>Zainuri, Muhammad</dc:creator>
	<dc:creator>Endrawati, Hadi</dc:creator>
	<dc:creator>Suryono, Suryono</dc:creator>
	<dc:subject xml:lang="en-US">Coastal Vulnerability Index; Tidal Flooding; Betahwalang; Demak; Resilience.</dc:subject>
	<dc:description xml:lang="en-US">Low-lying coastal regions worldwide face escalating threats from sea-level rise, land subsidence, coastal erosion, and recurrent tidal flooding, underscoring the urgent need for effective disaster management informed by spatial vulnerability assessments. This study evaluates temporal changes in coastal vulnerability within Betahwalang Waters, Demak Regency, Indonesia, over the period 2015–2025, applying the Coastal Vulnerability Index (CVI) integrated with Geographic Information Systems (GIS). Primary data were obtained through field surveys, whereas secondary data comprised Sentinel-2 satellite imagery, digital elevation and bathymetric datasets, and tidal records. Coastal vulnerability was analyzed using a GIS-based weighted overlay approach that combined and quantified multiple physical, geological, and environmental parameters. The results reveal that approximately 69% of the study area falls within the high to very high vulnerability categories, with geomorphology and coastal slope emerging as the two dominant contributing factors, each accounting for 20% of the overall index. A comparison with the 2015 BNPB coastal hazard assessment indicates a pronounced spatial expansion of high-vulnerability coastal zones over the past decade, primarily driven by tidal inundation, aquaculture expansion, and progressive mangrove degradation. This study contributes to coastal disaster management by demonstrating the value of integrating field observations, remote sensing, and GIS for monitoring long-term vulnerability dynamics. The findings offer a robust scientific basis for disaster risk reduction, vulnerability-based spatial planning, and ecosystem-based coastal management. Collectively, they provide a practical and transferable framework for strengthening the resilience of tropical deltaic coasts confronting intensifying climate-related hazards in similarly vulnerable low-lying coastal environments worldwide.</dc:description>
	<dc:publisher xml:lang="en-US">Marine Science Department Diponegoro University</dc:publisher>
	<dc:date>2026-09-10</dc:date>
	<dc:type>info:eu-repo/semantics/article</dc:type>
	<dc:type>info:eu-repo/semantics/publishedVersion</dc:type>
	<dc:type xml:lang="en-US"></dc:type>
	<dc:format>application/pdf</dc:format>
	<dc:identifier>https://ejournal.undip.ac.id/index.php/ijms/article/view/83157</dc:identifier>
	<dc:identifier>10.14710/ik.ijms.31.3.309-322</dc:identifier>
	<dc:source xml:lang="en-US">ILMU KELAUTAN: Indonesian Journal of Marine Sciences; Vol 31, No 3 (2026): Ilmu Kelautan; 309-322</dc:source>
	<dc:source>2406-7598</dc:source>
	<dc:source>0853-7291</dc:source>
	<dc:language>eng</dc:language>
	<dc:relation>https://ejournal.undip.ac.id/index.php/ijms/article/view/83157/pdf</dc:relation>
	<dc:rights xml:lang="en-US">Copyright (c) 2026 ILMU KELAUTAN: Indonesian Journal of Marine Sciences</dc:rights>
	<dc:rights xml:lang="en-US">https://creativecommons.org/licenses/by-sa/4.0</dc:rights>
</oai_dc:dc>