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Journal : IPTEK The Journal for Technology and Science

Flood Forecasting using a Transfer Hydrograph Approach Saihul Anwar
IPTEK The Journal for Technology and Science Vol 21, No 1 (2010)
Publisher : IPTEK, LPPM, Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j20882033.v21i1.27

Abstract

This paper describes the development and application of a transfer hydrograph approach to flood forecasting on the Cimanuk River at the city of Jatigede in West Java, Indonesia. The Transfer Hydrograph (TH) is a transfer function that transforms total rainfall into a flood hydrograph at the basin outlet. As opposed to the conventional unit hydrograph approach which uses effective rainfall and direct runoff, the transfer hydrograph uses the total rainfall and the direct runoff at the basin outlet. The Cimanuk river basin (drainage area : 1,442 km2) has four sub basins. It was found to be necessary to further extend the application of the transfer hydrograph concept to include all channel routing effects. This because the rainfall at each subbasin was found to be quite independent of the rainfall at other sub basins, and run off data were only available at the basin outlet at Jatigede. Using the available data, transfer hydrograph were derived for each sub basin and later combined to give the runoff hydrograph at Jatigede. The approach was tested against recorded rainfall-run off data at Jatigede and was found to give very reasonable results. For flows above 300 m3/second, the maximum error of prediction was less than 12 %.
Co-Authors Abdul Wahid Abdur Rahman Ade Wahab Aghniya, Shilvy Agung Prasetyo Agus Gunawan Ahmad Mansubun Zamanudin Ainun Yusri Akbar Winasis Akhmad Jamaludin Aldi Aldi Andi Darmawan Andri Prabowo Anggriani, Esa Arief Firmanto Arief Ridho Syaepullah Arif Kurnia Nugraha Arip Saepudin Aryati Indah Kusumastuti Asep Agung Awliya Tribhuwana Azi Ibrahim Humaidi Baban Sobana Bagas Ramadhan Bukhori Bukhori Bukhori, Bukhori Cepi Maulana Christhoper Anderson Dea Devira Hidayati Deni Setiaji Dennis Bintang Nugroho Diah Utami, Diah Dian Indra Rosdiana Dikdik Nur Fahmi Diky Irdianto Pratama Pratama Dinni Fitri Fadilah Disty Prasanty Eki Danet Pranata Putra Endah Kurniyaningrum Esa Anggriani Fadhilah, Qalya Fadilah, Dinni Fitri Fahmi Arif Rahman Fani Andriani Faozie Novatrianto Faqih Mubarok Amin Faridah Ilmi Firdan Agustiarsyah Fisti Variandini Senjaya Gunawan Gunawan Gunawan Gunawan Hakim, Zaid Al Hamdan Ali Khapid Handri Wildan Fauzi Harry Harpriyanto Heri Mulyono Ikhwanul Fakhri Mu'afa Ikhwanul Fakhri Mu'afa Iko Prasetio Iwan Rudiawan Iyus Imam Jamaludin, Akhmad Jepry Jepry Karim Karim KHUSNUL HOTIMAH Liani Dwi Utari Mahendra, Bobby Maulana, Cepi Mohamad Azhari Muhamad Faisal Firdaus Muhamad Salman Salahuddin Muhammad Lukie Yudhistira Muhammad Yassin Zubair Pratama Mutamakin Mutamakin N.I.S, Septi Dwi Nikko Rozy Nikko Rozy Nopa Pahlawati Nugroho, Dennis Bintang Nurdiyanto Nurdiyanto Nurfatah Alkarim Ohan Farhan Oky Fajar Rochman Osep Saepul Azhar Pahlawati, Nopa Panangian Situmorang Pebi Mahar Ramadhan Prasanty, Disty Prasetio, Iko Pratama, Diky Irdianto Pratama Recky Dwi Permadi Retno Wulansari Ridlo Hafizh Alim Rizal Pikih Pratama Rochman, Oky Fajar Rosdiana, Dian Indra Roza Legawa Saeful Hadi Salman Alparis Septi Dwi N.I.S Shilvy Aghniya Sigit Hidayat Siti Masitoh Suhadi Suhadi Sujarwadi, Jajang Sulaiman Alizulfiqar Sulistijo Edhy Purnomo TATI NURHAYATI Teguh Santoso Tri Rezki Wahyu Azhari Trisno Adi Saputra Wildan Alfian Wisnu Saefuloh Yanto Heryanto Yudha Prigadi Yudi Sutomo Zaid Al Hakim Zaki, M.