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Journal : SAINSMAT

The Relationship of Rainfall Variability to Flood Events Using Google Earth Engine (GEE) In Makassar City Ali, Mutmainnah; Nasrul, Nasrul; Nyompa, Sukri; Arfandi, Arfandi; Maru, Rosmini
Sainsmat : Jurnal Ilmiah Ilmu Pengetahuan Alam Vol 14, No 1 (2025): Maret
Publisher : Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Negeri Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35580/sainsmat141709192025

Abstract

Indonesian people are most harmed by flood hydrometeorological disasters, which cause material and immaterial losses. Floods often occur in some areas of Makassar City due to high rainfall and the high density of people and buildings, especially in the rainy season. This study aims to find out: the rainfall variability in the city of Makassar for 7 years (2017-2023), a map of flood inundation areas in the city of Makassar for 7 years (2017-2023), and the relationship between rainfall variability to flood events using Google Earth Engine (GEE) in the city of Makassar.  This study is quantitative descriptive, using correlation and regression analysis between rainfall variables and flood inundation area.  A cloud-based processing approach. CHIRPS data was used for rainfall analysis in Makassar City (2017-2023), and Sentinel 1 to analyze the distribution of flood inundation. The results showed that 1) rainfall variability occurred in January, February, March, November, and March. With the highest coefficient of variance value with a value of 73% in November. 2) floods that often occur in the sub-districts of Manggala, Biringkanaya, Tamalate, Tamalanrea, and Rappocini. 3) There is a significant relationship between rainfall and events in Makassar City. Spatially there were 12 flood events, temporal flood events for 7 years (2017-2023) occurred in December, January, and February.    The parameters in this study are limited to rainfall and flood inundation, for that the next study is to add various relevant parameters based on Google Earth Engine.
Co-Authors A, Amal Abdul Malik Abidin, Muhammad Rais Albatuul, Fatimah Ali, Mutmainnah Alief Saputro Alimato Alimato Amal Amal Amal Arfan, Amal Amal, Amal Amalul, Muhammad Arib Musba Amda, Misdar Amdah, Misdar Andi Tenri Pada Agustang Andi Zulkifli Nusri Arfandi Arfandi Arfandi Arfandi, Arfandi Arif, Dary Setiawan Arni Fauziah Rante Ayu Lestari Azhari, Jeanilora BAKHRANI RAUF Bakhrani, Alief Andio Basofi, Nurqamri Putri Daud, La Ode Rahman Erman Syarif Esa, Esa Evita Evita Fadhillah Nurlaely Syam Fembriyanti Novela Sary Fitasari, Mila Hadasiah, Hadasiah Haris Haris, Haris Hasriyanti Hasriyantii, Hasriyati Ichsan Invanni Baharuddin Ikhwana, Nur Irwansyah Sukri Juanda, Muhammad Faisal Kajornsin, Boonreang Kasturiyah S Maddatuang Maddatuang Makkulau, Batari Bau Mannan, Abdul Marlina Marlina Matius Tirangka, Matius Misdar Amda Mufadhdhal Ilham, Muhammad Dzakwan Muh Jibran Nidhal Fikri Muh. Ryan Alfadly D Muhamad Ihsan Azhim, Muhamad Ihsan Muhammad Riadi, Muhammad Muhammad Yusuf Mulianti Muntazarah, Fediyatun Mutmainnah Ali Mutmainnah Mutmainnah Nasiah Badwi Nasiah Nasiah Nasrul Nasrul Nasrul Nasrul Novita Citra Rahayu Nur, Ali Rahmat Muhammadiyah Nur, Medar M Nurdalwah Makkasau Nurul Afdal Haris Nurwijayanti Patiung, Irene Dian Rabi'ah, Rabi'ah Rahma Musyawarah, Rahma Ramli Umar Ramli Umar Rasjusti, Nurul Ilmi Rasyid, Rusman Risdayani Risdayani Rosmini Maru Rusdi Rusdi Rusdi Rusdi Rusdi, - Sahade Sandi Sandi Sarah Damayanti Sari Dewi, Nur Adha Siri, Sartika Sri Wahyuni Sulaiman Zhiddiq Sulaiman Zhiddiq, Sulaiman Sumiati Side Suprapta Suprapta, Suprapta Syamsunardi Syamsunardi Syamsunardi Tripaldi, Agus U, Uca Uca Sideng Uca, Uca Yasdin, Yasdin Yoga, Aldhila Handiarya