Hubungan ENSO dan El Niño Modoki terhadap Suhu Permukaan Laut di Laut Arafuru

Authors

  • Wahyuni Yuni Tanjungpura University
  • Muliadi Muliadi FMIPA Universitas Tanjungpura
  • Apriansyah Apriansyah FMIPA Universitas Tanjungpura

DOI:

https://doi.org/10.26418/pf.v6i3.28904

Abstract

El Niño Southern Oscillation (ENSO) merupakan fenomena interaksi antar laut atmosfer di Samudera Pasifik. Sementara, El Niño Modoki merupakan fenomena alam yang mirip dengan El Niño Konvesional namun berbeda di wilayah titik hangatnya yang tidak mencapai wilayah NINO3.4. Penelitian ini bertujuan untuk melihat hubungan   ENSO dan El Niño Modoki terhadap suhu permukaan laut. Analisis dilakukan berdasarkan 4 musim yaitu musim Barat, musim peralihan I, musim Timur  dan musim peralihan II dengan menggunakan metode korelasi silang. Data yang digunakan adalah data suhu permukaan laut,  El Niño Modoki Indeks (EMI), dan  anomali NINO3.4 periode 1987-2016. Pengaruh El Niño Modoki ditinjau dengan melihat tahun kejadian El Niño Modoki yang diperoleh dari pemilihan nilai EMI positif selama 30 tahun. Korelasi musiman El Niño Modoki dan NINO3.4 terhadap suhu permukaan laut menunjukkan bahwa hubungan paling kuat terjadi pada musim Timur dengan nilai korelasi 0,9. Hubungan pengaruh El Niño Modoki terhadap suhu permukaan laut diperoleh hubungan sangat kuat dengan nilai korelasi tertinggi yaitu 0,8 setiap tahunnya. Hal ini menunjukkan bahwa suhu permukaan laut di Laut Arafuru pada musim Timur dipengaruhi oleh El Niño Modoki.

References

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Published

2018-10-09

Issue

Vol. 6 No. 3 (2018)

Section

Articles

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Date: 24-05-2023

Prisma Fisika
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