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Journal : JURNAL SUMBER DAYA AIR

Evaluasi Kesesuaian Data Tropical Rainfall Measuring Mission (TRMM) dengan Data Pos Hujan Pada Das Temef di Kabupaten Timor Tengah Selatan Denik Sri Krisnayanti; Davianto Frangky B. Welkis; Fery Moun Hepy; Djoko Legono
JURNAL SUMBER DAYA AIR Vol 16, No 1 (2020)
Publisher : Bina Teknik Sumber Daya Air, Kementerian Pekerjaan Umum dan Perumahan Rakyat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32679/jsda.v16i1.646

Abstract

The construction of the Temef Dam in Oenino Village, Oenino District, and Konbaki Village, Polen District, South Central Timor Regency requires long and reliable rainfall data. To overcome the minimum data or the unavailability of automatic rainfall (ARR) and discharge data in the past decades, the use of Tropical Rainfall Measuring Mission (TRMM) satellite data is foreseen. The accuracy of TRMM data is obtained when the parameters of suitability and compatibility of TRMM are in a good agreement with the ARR. For the Temef watershed, there are six rainfall stations that were reviewed, namely Fatumnasi, Oeoh, Noelnoni, Polen, Nifukani, and Batinifukoko rainfall stations. Direct comparisons of rainfall data were conducted for 20 years (1998-2018) with temporal resolution on a monthly and daily basis. The results of the study show that the rainfall patterns in the TRMM data product (version 3B42V7) tend to be consistent with 3 rainfall stations in the Temef watershed namely Noelnoni, Fatumnasi, and Batinifukoko. A correlation coefficient of 0.505 – 0.813 was obtained from TRMM data calibration at monthly basis while a correction factor level of 0.0056 - 0.0129 was obtained for daily.  The calibration on the annual maximum daily rainfall data resulted in a correction factor of 0.0298 - 0.2516. Monthly and daily TRMM data fit well with the data of 3 rainfall stations. However, the Noelnoni rainfall station showed poor results on the annual maximum daily rainfall.Keywords: TRMM data, ARR data, correction factor, correlation coefficient
Co-Authors Adam Pamudji Rahardjo Adam Pamudji Rahardjo Adam Pamudji Rahardjo Adam Pamudji Raharjo Adhy Kurniawan Agatha Padma Laksitaningtyas Agatha Padma Laksitaningtyas Agatha Padma Laksitaningtyas, Agatha Padma Ahad Legiarto Ali Rahmat Ani Hairani Ani Hairani Ariyanti, Vicky Asril Zevri Bambang Agus Kironoto Bambang Agus Kironoto Bambang Triatmodjo Bambang Yulistiyanto Bambang Yulistiyanto Bambang Yulistiyanto Basuki Widodo Bella Koes Paulina Cantik Budi Santosa Budi Santosa Budi Wignyosukarto Cahyono Ikhsan Candra Dian Lukita Tauhid Cantik, Bella Koes Paulina Davianto Frangky B. Welkis Denik Sri Krisnayanti Dewi Ayu Sofia Dyah Ari Wulandari Eka Laily Ramadhani Elenora Gita Alamanda Sapan Endita Prima Ari Pratiwi Fatchan Nurrochmad Fauziyah, Risky Fery Moun Hepy Fitriana, Indri Rahmandhani Hanny Hafiar Haryono Haryono Haryono Kusumosubroto Heriantono Waluyadi Ikawati, Nur Ikhsan, Cahyono Istiarto Istiarto Istiarto Istiarto Istiqomah, Nurul Alvia John H. Frans John Hendrik Frans Joko Sujono Kazuhiko Otani Kironoto, Bambang Agus Kisindi Nur Afifah Made Sumiarsih Made Sumiarsih Misdiyanto Misdiyanto Miskar Maini Nadjadji Anwar Ni Made Sumiarsih Ni Nyoman Nepi Marleni Rachmad Jayadi Radianta Triadmadja Rahadiansyah, Shakti Rahardjo, Adam Pamudji Rahardjo, Adam Pramudji Raharjo, Adam Pamudji Ramon Putra Robert J. Kodoatie Robert Kodoatie Robert Kodoatie, Robert Roby Hambali Sabila, Nur Ariva Seran, Yustinus A. Subagyo Pramumijoyo Suharyanto Suharyanto Sulaiman, Muhamad Sumiadi, Sumiadi Sunjoto Sunjoto Suseno Darsono Suseno Darsono SYAHRANI SYAHRANI Teuku Faisal Fathani Umar Fauzan Utomo, Bagus Prio Wilhelmus Bunganaen Wilhelmus Bunganaen Yustinus Akito Seran