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Journal : Makara Journal of Technology

Hydrodynamic Characteristics and Sediment Distribution Patterns in Wulan Delta Estuary, Demak, Indonesia Muskananfola, Max Rudolf; Febrianto, Sigit; Ayuningrum, Diah
Makara Journal of Technology Vol. 27, No. 1
Publisher : UI Scholars Hub

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Abstract

The Wulan Delta, located in Wedung, Demak, was formed due to the sedimentation process of the Wulan and Serang rivers. Sediment transport starts from rivers to the sea; the process carries nutrients and various chemicals derived from agricultural, industrial, or household activities. This study aims to analyze the characteristics of hydrodynamics, suspended sediment, and bottom sediments in the Wulan Delta waters, Demak. Field data were collected in transitional season two (October) 2022. The obtained data were then analyzed in the laboratory at the Faculty of Fisheries and Marine Science. Results showed that the speed of the surface current in the study area ranged from 0 to 0.1 m/s in spring tide conditions with a surface current pattern coming from the direction of Semarang toward Jepara and 0–0.18 m/s in neap tide conditions with a current pattern coming from the direction of Jepara toward Semarang. The Wulan Delta has a sedimentary characteristic dominated by fine silt, which is as much as 82%–98%, with a deposition characteristic dominated by wave energy that causes successful sediment sorting with a sorting index of −2.25 to 2 and strongly asymmetrical to a small size with a skewness curve value of two.
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