Pengaruh Fenomena Madden Julian Oscillation terhadap Curah Hujan di Indonesia
DOI:
https://doi.org/10.26418/pf.v13i2.69075Keywords:
MJO, Curah Hujan, IndonesiaAbstract
Fenomena Madden Julian Oscillation (MJO) merupakan fenomena yang dapat memengaruhi curah hujan di Indonesia. Penelitian ini dilakukan untuk mengetahui pengaruh fenomena MJO fase 3,4,5 terhadap variabilitas curah hujan di wilayah Indonesia. Metode yang digunakan adalah analisis komposit terhadap parameter cuaca meliputi angin zonal dan curah hujan selama periode Desember, Januari, dan Februari pada tahun 2016 hingga tahun 2022. Hasil penelitian menunjukkan bahwa pengaruh dari MJO fase 3 dan 4 dapat meningkatkan intensitas curah hujan di wilayah Indonesia, dengan nilai rata-rata spasial masing-masing sebesar 35,81% dan 18,98%. Peningkatan intensitas curah hujan tertinggi selama MJO fase 3 dan 4 berada di Laut Halmahera masing-masing sebesar 350% dan 450%. Pada MJO fase 5 terjadi penurunan intensitas curah hujan di wilayah Indonesia sebesar 0,05% dan di pulau Sumatra bagian barat mengalami penurunan intensitas curah hujan sebesar 100% dari kondisi klimatologinya.
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Date: 24-05-2023
Prisma Fisika
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