RESPONS CURAH HUJAN TERHADAP FENOMENA EL NIÑO SOUTHERN OSCILLATION (ENSO) DI BONTANG

Authors

  • Athaya Rana Ramadhani Tanjung Pura University
  • Irfana Diah Faryuni
  • Arie Antasari Kushadiwijayanto

DOI:

https://doi.org/10.26418/pf.v7i2.33971

Abstract

El Niño Southern Oscillation (ENSO) merupakan fenomena yang mempengaruhi kondisi laut di ekuatorial Samudra Pasifik. Fenomena ini berpengaruh terhadap respon curah hujan di beberapa wilayah, terutama wilayah Bontang. Bontang merupakan wilayah yang berbatasan dengan selat Makassar dan merupakan wilayah yang berdekatan dengan Samudra Pasifik diantara kota-kota lain yang berada di Pulau Kalimantan. Penelitian ini bertujuan untuk mengetahui respons curah hujan terhadap fenomena ENSO di Bontang. Metode yang digunakan adalah transformasi wavelet untuk melihat kekuatan curah hujan dan cross wavelet untuk melihat korelasi ENSO terhadap curah hujan . Data yang digunakan dalam penelitian ini adalah indeks nino 3.4 dan curah hujan bulanan tahun 1985-2017. Berdasarkan hasil penelitian, diketahui bahwa curah hujan ekstrim di wilayah Bontang merespon terjadinya fenomena ENSO selama delapan tahun kejadian. Sinyal dari ENSO umumnya terjadi lebih dahulu dibandingkan sinyal dari curah hujan.

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Published

2019-07-10

Issue

Vol. 7 No. 2 (2019)

Section

Articles

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Date: 24-05-2023

Prisma Fisika
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