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Journal : Omni-Akuatika

Sediment Characteristic of the Ebb-Tidal Delta in Western Segara Anakan Lagoon Cahyo, Tri Nur; Hartoko, Agus; Muskananfola, Max Rudolf; Haeruddin, Haeruddin
Journal Omni-Akuatika Vol 19, No 1 (2023): Omni-Akuatika May
Publisher : Fisheries and Marine Science Faculty - Jenderal Soedirman University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20884/1.oa.2023.19.1.1042

Abstract

Western Segara Anakan Lagoon (WSAL) is a semi-enclosed lagoon located in the Cilacap, Central Java Province, Indonesia which has two outlets called pelawangan. West Pelawangan is an open channel from WSAL and the Indian Ocean, which has vast sediment input. It impacts the sediment deposits and delta formations in WSAL. This research aimed to determine the sediment characteristics deposited in the WSAL specifically in the delta formation area, and the mean size of sediments (D50), sorting, and skewness. The research used the survey method while data collected were sediment-bed, bathymetry, and satellite imagery Sentinel 2A with the ebb-tide condition. Sediment was analyzed by sieve and gravimetry and interpreted as a Ternary diagram, D50, sortation, skewness, and fraction percentage spreading map. Satellite imagery Sentinel 2A was searched by the ebb-tide condition. Shorelines and delta was extracted by the Normalized Different Water Index. Bathymetry built from depth points data 2018. The results of the Ternary diagrams analysis were the Citanduy River had a sand grain size, the Pelawangan Barat Waters (PBW) were dominated by sand and the lagoon was dominated by a fine grain size and silt. The result of sediment D50, sortation, and skewness in the Citanduy River and the PBW were dominated by sand, and the lagoon was dominated by fine sediment: silt, and clay grain size. The sediment fractions were sorted very well; skewness was dominated by the fine skewed (positive skewed). The delta formation in the lagoon covers a large area, presumably due to the consolidation of the fine sediment.Keywords: Sediment Characteristics, Ebb-Tidal Delta, Western Segara Anakan Lagoon
Co-Authors - Djuwito - Ruswahyuni - Subiyanto - Supriharyono A'in, Churun A’in, Churun Abiyoga, Reinaldi Adira Rizka Andaris, Adira Rizka Afwa, Rainuy Saninzita Agung Pamuji agung Suryanto Agus Hartoko Amalo, Nancy Marcelina Reinatha Amanina, Farha Tsabita Andri Okfan, Andri Anggoro, Sutrsino Anhar Solichin Aninditia Sabdaningsih Arif Rahman Arif Rahman Arofah, Rizka Ummi Ayu Istiqomah, Ayu Bambang Sulardiono Boedi Hendrarto Cahyo, Tri Nur Carleone de Prima, Carleone Chrysalina Indrastuti Churun A’in Delahoya, Christian Devi Kristi Purba Dewi Meynita, Dewi Dharmaningtyas, Nimas Diah Ayuningrum, Diah Dominig, Amryta Dwi Yulianto Dyah Prajna Swayati, Dyah Prajna Erzad, Avisha Fauziah Etty Silviana Wahyuningrum, Etty Silviana Eugene Ramarta da Linne Fadhilah Maharani Fajrin, Fadhilah Maharani Fajar Purnama, Muhammad Febbrianna, Vida Febrianto, Sigit Frida Aprilia Loinenak, Frida Aprilia Frida Purwanti Gultom, Christine Rosaline Haeruddin Haeruddin Haikal, Faqilliansi Hapsari, Rania Widia Hikmah, Nur Hikmah Hutami, Ganjar Hesti Indraswari Putri Khaeksi, Indraswari Putri Ittok Rochmad Choirudin Janisa Ferril Indriyastuti Kharisma Aji Winarto Kresnasari, Dewi Lakastri, Lavia Legina Lourenta Siregar Lestari, Abid Luthfieana Mentari, Luthfieana Marhana, Tasya Merlia Purnama Putri Millatia, Zulfa Mohamad Haekal Muchtar Yulianto Muhammad Fajar Purnama Muhammad Zainuri Mulia Delvi, Betlin Indriani Mulyaningsih, Dwi Mustofa Niti Supardjo Niniek Widyorini Nisak, Yuyun Khoirun Norma Afiati Nugroho, Adhi Nur Kharimah Oktaviana, Clarisa Ika Oktavianto Eko Jati Pinasthi, Laili Salma Prabowo, Danar Pratiwi, Galuh Alia Pujiono Wahyu Purnomo Purba, Chris Antoni P Purnama, Muhammad Rella Nur Taqwa Retnoayu Budiasih, Retnoayu Rizal Akbar Hutagalung, Rizal Akbar Rizki Pramuditya Kurniatama, Rizki Pramuditya Romadhony, Muchammad Yusuf Rudhi Pribadi Sahala Hutabarat Sefanya Roswaty Siahaan, Donal Sihombing, Yuni Harvesty Simanjuntak, Siska Lestari Sinulingga, Hiskia Arapenta Siti Rudiyanti Siti Widya Arfiatin Slamet Budi Prayitno Sofiyani, Risna Gina Sri Sedjati Supriharyono Supriharyono Suryanti Taufani, Wiwiet Teguh Viki Darusman Wahyu Permana Aji Wiarta, Rinto Widiyasari, Laurentina Kiki Wiwi Siti Rohmah, Wiwi Siti Yuliana, Eka Yulfa Yusty Amelia Zulistiana Mufaidah, Zulistiana