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All Journal EKSAKTA: Journal of Sciences and Data Analysis Jurnal Geografi, Edukasi dan Lingkungan
Imawan Mashuri
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Astronomy Chemical Engineering, Chemistry & Bioengineering Chemistry Earth & Planetary Sciences Education Materials Science & Nanotechnology 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.
Rainfall Extremes In Northern And Southern Central Java Coasts: Comparative Study Of ENSO And IOD Influences Imawan Mashuri; Muzakkie, Muhammad Labieb; Duo Rahman Abdilah; Salsabila Nurul Izzah; Giarno
Jurnal Geografi, Edukasi dan Lingkungan (JGEL) Vol. 9 No. 2 (2025): 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.v9i2.17934

Abstract

The northern and southern coastal regions of Central Java frequently experience hydrometeorological disasters due to extreme rainfall. The relationship between extreme rainfall in these two areas is influenced by fluctuations in the Indian Ocean Dipole (IOD) and the El Niño-Southern Oscillation (ENSO). This study aims to compare the characteristics of extreme rainfall in the northern and southern coastal regions of Central Java in relation to ENSO and IOD phases. The analysis applies extreme rainfall indices (RX1D, RX5D, CDD, CWD) and Spearman-rank correlation to understand the influence of these climate phenomena and indices. The results show that RX1D and RX5D values are higher during La Niña and negative IOD phases, especially in the rainy season, while El Niño and positive IOD phases reduce their intensity. CWD is longer during La Niña, but positive IOD decreases the number of rainy days, particularly during the dry season. In contrast, CDD increases significantly during El Niño and positive IOD, which intensify dry conditions, especially along the southern coast. Spearman-rank correlations indicate a negative relationship between ENSO/IOD and RX1D, RX5D, and CWD, and a positive relationship with CDD, with stronger impacts during the dry season and second transitional period (SON), as well as varying characteristics between the two coasts. These findings underscore the necessity for adaptation and mitigation strategies in response to extreme rainfall characteristics, particularly when ENSO and IOD phases coincide, with stronger impacts observed along the southern coast.
Analysis of Monthly Rainfall Characteristics in Nusa Tenggara Timur and its Spatial and Temporal Shifts Afghani, Fadhli Aslama; Ofana Tri Wibowo; Imawan Mashuri; Zuhairul A, Hasyid Agha
EKSAKTA: Journal of Sciences and Data Analysis VOLUME 5, ISSUE 1, April 2024
Publisher : Fakultas Matematika dan Ilmu Pengetahuan Alam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20885/EKSAKTA.vol5.iss1.art9

Abstract

The spatial characteristics of rainfall in Nusa Tenggara Timu for the periods 1961-1990 and 1991-2020 show similarities in terms of topography influencing local variations in rainfall intensity. Additionally, inland areas and the northern side of region experience higher rainfall compared to the coastal areas and the southern side. On the other hand, temporal characteristics reveal a monsoonal rainfall pattern with peak precipitation occurring in January and the lowest rainfall in August. Furthermore, there is a normal shift in rainfall patterns between the two periods, marked by a reduction in the intensity of dark colors in the 1991-2020 period compared to 1961-1990. There is also a positive shift in normal rainfall values for the months of April and December, while the remaining months experience a negative shift.
Co-Authors Afghani, Fadhli Aslama Duo Rahman Abdilah Fadhli Aslama Afghani Giarno Muhamad Arif Jumansa Muhammad Labieb Muzakkie Muzakkie, Muhammad Labieb Ofana Tri Wibowo Ramadoni Khirtin Salsabila Nurul Izzah Yahya Darmawan Zuhairul A, Hasyid Agha