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Journal : Civil Engineering Dimension

Flood Mitigation of Nyando River Using Duflow Modelling J. Joleha; V. Maino; A. Adyabadam; W. Zhao; S. Ke; T.H. Le
Civil Engineering Dimension Vol. 11 No. 1 (2009): MARCH 2009
Publisher : Institute of Research and Community Outreach - Petra Christian University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (279.234 KB) | DOI: 10.9744/ced.11.1.pp. 46-57

Abstract

Duflow surface water hydrodynamic model has been applied using a case study from Nyando catchment in the western part of Kenya in Africa to simulate various extreme flood behaviours and their retardation levels by using selected structural measures as flood mitigation techniques. The objective of this case study was to establish a design flood recommendable for mitigation, and to identify the most cost effective flood mitigation structure. Various design flows are simulated against the different proposed structures hence, the optimal structure can be recommended when economical, social and environmental constraints are considered in the decision making process. The proposed four flood mitigation structures flood plain extension, embankment (dykes), channel by-pass, and green-storage were simulated for 20-year recurrence interval flood to determine their individual responses in storing excess water. The result shows that building a green-storage is the best and optimal structure for flood mitigation.
Co-Authors A. Adyabadam Abdul Hakam Abdul Wahab Adaira, Salsabila D. Adha, Ulfa K. Afifi, Azza Ayu Agustian, Fadhlan Hatta Agustin Agustin Ahmad Rifqi Aksana, Anandaku Alfian Malik Alifian Malik Aljita, Deni Amrullah, Jemerio Rifqi Andy Hendri, MT, Andy Anggi Aprillia Cintami Anggraini, Fadhila Anjeri, Wan Muhammad Aras Mulyadi Ashita Nadira Syamsudin Aslamiah Aslamiah Asmura, Jacky Ayu Septiani, Ayu Ayu Sulistyaningsih Azmi, Muhammad Ilham Bambang Sujatmoko Bantala, Adam Yulyan Barus, Albianus Bochari - Dahnilsyah Dahnilsyah Dahnilsyah, Dahnilsyah Diva, Nisrina Nazhifah Elianora - Elvi Yenie, Elvi Fathurrahman Azizi Feranita Feranita Gandung Rahmadi Gaurifa, Debi F Putra Ghulami Afra Rulya Guisandro, Johannes Hafizt Muhamad Islami Haji Gussafri Harahap, Alma Rifaldy Harum Cantika Septiani Hasian, Dodi Kifrah Ichsanuddin, Muhammad Ilham, M. Rauzan Imam Suprayogi Isjoni, Muhammad Yogi Ryantama Iskandar, Dina Nur Jacky Asmura Jesi Alexander Alim Khairatun Nisa Kholiyanti, Nur Kurniawaty Fitri Kurniawaty Fitri Lestari, Febby Nabila Lubis, Nadhira Fahrani M. Yogi Riyantama Isjoni M. Yogi Riyantama Isjoni Mahmud Alpusari Medina Sophie Anggini Meliana Siagian MERLEY MISRIANI Muhammad Ichsnuddin Muhammad Ikhsan Nadia Hurul Aini Nasution, Rahmi N. A. Neni Hermita Ningsih, Septiara Noval Rivaldo Novia Yuliana Anita Nurdin Nurdin Nurlaili Suriyani Nurrafiah, Efrida Yuslia Nurul Amalia Nurul Amalia Pebrilista Putri, Eka Precian Agung Assyafi’I Putri Dwi Wulandari Putri Nilda Sari Lubis Putri, Aisak Hana Putri, Dwika Hanifah R. Dea Julita Rahmi Nur Anisah Nasution Ramadhani, Audia Putri Ramadhani, Khairunnisa Ridha Amalia Rizky Anandaku Aksana Rukaniya, Nurzilawati S. Ke Safridatul Audah Salsabila Ditha Adaira Santika, Yuyun Saputra, Rudi Satria Gandha Pratama Sembiring, Dido Fatika Siagian, Rizky M. Sihombing, Syeba Sekarini Sri Djuniati Suprasman Suprasman Suprasman Suprasman Sutopo - Suwondo Suwondo Syahputra, Anugrah Kharisma Syarah, Amalia T.H. Le Totok Hadi Cahyono Pratama Tsani Latifa Tussa’diah, Halimah Ulfa Khairiyah Adha V. Maino Valera, Rezqy Vidiannisa Vernando Sahputra Limbong W. Zhao Wan Muhammad Anjeri Fachrowi Waruwu, Riama Wawan Wulandari, Putri D. Yenie, Elvy Yohanna Lilis H Yurisa, Yurisa YUSNITA YUSNITA Zetra Hainul Putra