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Fadhli Aslama Afghani
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Astronomy Earth & Planetary Sciences Education Physics Social Sciences

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Penerapan Metode Skoring Dan Pembobotan Dalam Identifikasi Potensi Energi Terbarukan Di Indonesia Muhamad Arif Jumansa; Fadhli Aslama Afghani; Imawan Mashuri; Muhammad Labieb Muzakkie; Ramadoni Khirtin; Yahya Darmawan
Jurnal Geografi, Edukasi dan Lingkungan (JGEL) Vol. 8 No. 2 (2024): Edisi Bulan Juli
Publisher : Pendidikan Geografi Universitas Muhammadiyah Prof. Dr. Hamka

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22236/jgel.v8i2.12845

Abstract

Tingkat emisi karbon di Indonesia yang terus meningkat hingga mencapai urutan ke-10 di dunia yang disebabkan oleh pembangkit listrik tenaga uap sebagai penyokong utama penghasil Enegi Listrik dengan Emisi Karbon yang tinggi. Kebijakan pemerintah pada Peraturan Presiden Nomor 55 Tahun 2019 untuk mempercepat implementasi program kendaraan bermotor listrik berbasis baterai (Battery Electric Vehicle - BEV) dalam sektor transportasi. Selain itu, adanya kebijakan dengan pemberian bantuan subsidi Kendaraan Bermotor Listrik Berbasis Baterai, yang berupaya untuk menyelesaikan permasalahan emisi karbon dari sektor transportasi bahkan menjadi bumerang bagi pemerintah. Hal tersebut dikarenakan peningkatan penggunaan energi Listrik akan meningkatkan emisi karbon akibat Pembangkit Listrik Tenaga Uap (PLTU). Oleh karena itu, perlunya sumber energi terbarukan yang bersih dan ramah lingkungan guna menyelesaikan akar permasalahan dari peningkatan karbon. Pencarian sumber energi terbarukan yang merupakan tujuan dalam penelitian ini dengan menggunakan metode scoring dan pembobotan. Hasil dari penelitian menunjukkan bahwa potensi energi terbarukan berupa tenaga surya, angin, dan gelombang laut di wilayah Indonesia menunjukkan potensi yang sangat besar dengan estimasi total daya rerata yang dihasilkan oleh tenaga surya yaitu 2,14x1013 kW dengan potensi tertinggi berada di wilayah Provinsi Papua Tengah. Total daya rerata yang dihasilkan oleh tenaga angin yaitu5,07x105 kW dengan potensi tertinggi berada di Wilayah Provinsi Maluku, dan total daya rerata yang dihasilkan oleh tenaga gelombang laut yaitu 55,2 kW/m dengan potensi tertinggi berada di wilayah Perairan barat dan Selatan pulau Sumatera.
The Influence Of Atmosphere On Tropical Cyclone Freddy In The Lesser Sunda Islands Fadhli Aslama Afghani
Jurnal Geografi, Edukasi dan Lingkungan (JGEL) Vol. 8 No. 2 (2024): Edisi Bulan Juli
Publisher : Pendidikan Geografi Universitas Muhammadiyah Prof. Dr. Hamka

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22236/jgel.v8i2.14050

Abstract

Indonesia frequently experiences atmospheric phenomena form Tropical Cyclone annually due to its geographical location situated in tropical regions. The occurrence of Tropical Cyclones in Indonesia typically lasts from 3 hours to 18 days during February to April. One of the Tropical Cyclones that occurred in Indonesia in 2023 was Tropical Cyclone Freddy. This research aims to elucidate the characteristics of Tropical Cyclone Freddy, atmospheric conditions, and its influence on rainfall in the Lesser Sunda Islands. The data utilized include Himawari-9 satellite imagery in the IR (13) band, NWP, ERA-5 meteorological parameters, and GSMaP with time intervals every 6 hours from 5-7 February 2023. Tropical Cyclone Freddy, formed south of East Nusa Tenggara on February 5, 2023, and continued to develop into a mature form on February 6, 2023, at 12:00 UTC, progressing westward. The factors contributing to the formation of this tropical cyclone include elevated Sea Surface Temperature (SST), the presence of the Intertropical Convergence Zone (ITCZ), and the active phase 4 of the Madden Julian Oscillation (MJO). The closest distance between the location of Tropical Cyclone Freddy's occurrence and the mainland occurred on February 6, 2023, at 18:00, at 187 km off Sumba Island. On the other hand, the impacts of the tropical cyclone on meteorological parameters include the occurrence of updrafts in the Lesser Sunda Islands region and an increase in moisture transport to the north and south. Additionally, Tropical Cyclone Freddy exerts a remote effect on rainfall events in the Lesser Sunda Islands.
Temporal Analysis of Rainfall Characteristics in Response to Climate Change in the Special Region of Yogyakarta Province Mashuri, Imawan; Fadhli Aslama Afghani; Ofana Tri Wibowo
JFT : Jurnal Fisika dan Terapannya Vol 11 No 2 (2024): DESEMBER
Publisher : Universitas Islam Negeri Alauddin Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24252/jft.v11i2.43707

Abstract

Climate change has resulted in uneven rainfall variations. The temporal analysis of rainfall in the Special Region of Yogyakarta Province was conducted through the calculation of monthly averages, seasonal averages, and annual trends using the Climate Data Operator (CDO) and Microsoft Excel application over 60 years from 1961 to 2020, utilizing ERA5 data. The time frame is divided into two periods: 1961-1990 and 1991-2020, aiming to observe rainfall characteristics such as changes, patterns, and trends that occurred during these intervals. The highest monthly average rainfall occurs in January for both periods, registering 378 mm for 1961-1990 and 370 mm for 1990-2020. In contrast, the lowest monthly average occurs in August, with values of 51 mm for 1961-1990 and 38 mm for 1991-2020. The highest seasonal average rainfall occurs during the DJF period, with values of 945 mm for 1961-1990 and 1022 mm for 1991-2020. However, the lowest seasonal average occurs during the JJA period, with values of 228 mm for 1961-1990 and 191 mm for 1991-2020. The rainfall trend shows an increase for the first period (1961-1990), whereas decreases in the second period (1991-2020), including wet seasons, dry seasons, and annual. The result can be associated with climate change, where there are occurrences of extremely wet and extremely dry seasons. Overall, the Special Region of Yogyakarta province experienced continuous yearly rainfall from 1961 to 2020.
Co-Authors Imawan Mashuri Mashuri, Imawan Muhamad Arif Jumansa Muhammad Labieb Muzakkie Ofana Tri Wibowo Ramadoni Khirtin Yahya Darmawan