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All Journal HAYATI Journal of Biosciences MANAJEMEN HUTAN TROPIKA Journal of Tropical Forest Management Buletin PSP Jurnal Ilmu dan Teknologi Kelautan Tropis Jurnal Ilmu-Ilmu Perairan dan Perikanan Indonesia Forum Pasca Sarjana Maspari Journal AGRISAINS JURNAL PERIKANAN DAN KELAUTAN TROPIS ILMU KELAUTAN: Indonesian Journal of Marine Sciences Jurnal Akuatika Berkala Perikanan Terubuk POSITRON Maspari Journal Jurnal Penelitian Hutan Tanaman Jurnal Pengelolaan Sumberdaya Alam dan Lingkungan (Journal of Natural Resources and Environmental Management) Jurnal Bisnis Perikanan Journal of Indonesian Coral Reefs Jurnal Kelautan Tropis Omni-Akuatika BULLETIN OF THE MARINE GEOLOGY Marine Research in Indonesia Biosaintifika: Journal of Biology & Biology Education Indonesian Aquaculture Journal Jurnal Segara Jurnal Sosial Ekonomi Kelautan dan Perikanan JURNAL PERIKANAN TROPIS
Dietriech Geoffrey Bengen
Departemen Ilmu Dan Teknologi Kelautan, FPIK, Institut Pertanian Bogor
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Energy Environmental Science Immunology & microbiology Library & Information Science Materials Science & Nanotechnology Physics Social Sciences Other

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Journal : BULLETIN OF THE MARINE GEOLOGY

 1 
GEOMORPHOLOGY OF SMALL ISLANDS AND ITS SEAFLOOR PROFILES IN THE EASTERN AND WESTERN HALMAHERA WATERS Abdul Motalib Angkotasan; Dietriech G Bengen; I Wayan Nurjaya; Neviaty P Zamani; Nyoman M.N Natih; Franto Novico
BULLETIN OF THE MARINE GEOLOGY Vol 37, No 2 (2022)
Publisher : Marine Geological Institute of Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32693/bomg.37.2.2022.774

Abstract

The geomorphology of small islands in the eastern and western parts of Halmahera Island encompasses diversities of geological processes, island forms and types, and topography. The typology of the small islands to the west of Halmahera Island is volcanic and are categorized as hilly islands. To the east, there are coral islands classified as flat islands with smaller area contrast to volcanic ones. This study aims to analyze the land mass elevation of the small islands and the sub-bottom profiles in the eastern and western Halmahera waters. Island elevation data was obtained from Sentinel-2B imagery, whereas seafloor topographic data was acquired from direct field measurements using a GPS sounder. First, the image data underwent atmospheric, radiometric, and sunlight corrections, while the actual depth was estimated through bathymetry correction using tidal data. Then, QGIS version 3.16.6 and ArcGIS version 10.8 were used to analyze the data. The results show that the slope degree of volcanic islands is higher and their seafloor topography is steeper than that of coral islands. The slope degree of Ternate, Maitara, Tidore, and Hiri Islands, abbreviated as Termadoreh, is more than 30o with elevation of more than 100 meters, characterizing hilly islands. While there is only Pakal Island in Buli Bay that has a slope of 33o and the highest elevation of only 100 meters, it is nevertheless considered a flat island. Significantly, the different typologies indicate different morphogenesis and sub-bottom topography; i.e., volcanic islands have higher slope degrees and steeper seafloor profiles compared to coral islands.
Co-Authors . Ahyar . Chaidir . Suharsono Abdul Harim Abdul Motalib Angkotasan Abdullah Hisam bin Omar Abimanyu Takdir Alamsyah Achmad Fahrudin Achmad Fahrudin Achmad Fahrudin Achyani, Ratno Aditya Hikmat Nugraha Agus Atmadipoera Agus Atmadipoera Agus Sholeh Atmadipoera Agustin Rustam Ahmad Najid Al Azhar Al Azhar Alimudin Laapo An Nisa Nurul Suci Andi Irwan Nur Andi Irwan Nur, Andi Irwan Angela Mariana Lusiastuti Audina Putri Awal . Subandar, Awal . Awal Subandar Beginer Subhan Bintal Amin Budi Hascaryo Iskandar Budy Wiryawan Burhanis Burhanis Chaidir Chaidir Dafit Ariyanto Damar, Ario David Smith Dedi Soedharma Dondy Arafat Efriyeldi, Efriyeldi Erlania Erlania Etty Riani Fauzan Dzulfannazhir Ferdinan Yulianda FERY KURNIAWAN Franto Novico Fredinan Yulianda Gede Iwan Setiabudi Hawis H Madduppa Hefni Effendi Hilda Zulkifli Hilda Zulkifli I Wayan Nurjaya I Wayan Nurjaya Idris Idris Indri Manembu Ira Dillenia Irma Akhrianti Isdradjad Setyobudiandi Isdradjad Setyobudiandi Isni Nurruhwati Isni Nurruhwati John Haluan John I Pariwono Joshian N.W. Schaduw Juraij Juraij Kadarwan Soewardi Kurdi Gunawan Lalu M. Iqbal Sani Leni Maryani Lilik Budi Prasetyo Luky Adrianto Luzmi Malia Izza Mai Suriani Majariana Krisanti Marthen Welly Martini Djamhur Maya F Tamimi Mennofatria Boer Meutia Samira Ismet Michael John Sweet Michael Sweet Mudjirahayu Mudjirahayu Muh. Rasman Manafi Muhammad Ishak Jumarang Muhammad Kasnir Muhammad Masrur Islami, Muhammad Masrur Mujizat Kawaroe Mujizat Kawaroe Mujizat Kawaroe Mujizat Kawaroe Mujizat Kawaroe Mujizat Kawaroe Mulyono S. Baskoro Najid, Ahmad Nanda Tiara Diningsih Nella Tri Agustini Neviaty P Zamani Neviaty P Zamani Neviaty P. Zamani NEVIATY PUTRI ZAMANI Neviaty Putri Zamani Novian Prahandhy Kusuma Nurlisa Butet, Nurlisa Nurlita Putri Anggraini Nyoman M N Natih Nyoman M.N Natih Ocky Karna Radjasa Ocky Karna Radjasa Ofri Johan Ofri Johan Ofri Johan Ofri Johan Pertiwi, Setyo Prakas Santoso R Widodo Rahma Aprilian Rainer A Troa Riana Faiza Richard J. Stanford Richardus F Kaswadji Richardus F Kaswadji Richardus Kaswadji Richardus Kaswadji RIDWAN AFFANDI Rika Anggraini Riris Aryawati Rita Rachmawati Rokhmin Dahuri Roni Bawole Rozirwan . Rudi Febriamansyah Sadikin Amir Safar Dody Sebastian C. A. Ferse Setyo Handayani Sonja Kleinertz Subhat Nurhakim Suharsono Suharsono Suharsono _, Suharsono Syahrial Syahrial Tengku Zia Ulqodry Tri Prartono Tridoyo Kusumastanto Ummu Salma Unstain NWJ Rembet Vijaya Isnaniawardhani Welmar Olfan Basten Barat Wike Ayu Eka Putri Yanelis Prasenja Yundari, Yundari Yunianto Setiawan Yunita Luhulima Yunita Ramili Yusli Wardiatno