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Journal : BULETIN FISIKA

Analysis of Atmospheric Dynamics and Sea Surface Temperature as Potential Indicators of Rainfall Occurrence in West Kalimantan Province during 2022–2023 Fithriana, Nadia; Widyatmanti, Wirastuti; Nurjani, Emilya
BULETIN FISIKA Vol. 27 No. 1 (2026): BULETIN FISIKA
Publisher : Departement of Physics Faculty of Mathematics and Natural Sciences, and Institute of Research and Community Services Udayana University, Kampus Bukit Jimbaran Badung Bali

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/BF.2026.v27.i01.p06

Abstract

West Kalimantan Province, crossed by the equator, has a tropical climate characterized by almost year-round rainfall and relatively high average air temperatures. This condition is also accompanied by the emergence of numerous hotspots. These two climate characteristics appear contradictory, likely related to rainfall distribution patterns in the region. The purpose of this study is to analyze rainfall potential in West Kalimantan Province based on atmospheric and ocean dynamics. The data used include satellite imagery and reanalysis of each parameter: sea level pressure, wind, sea surface temperature, and altitude in 2022-2023. The analysis method is applied descriptively through plot interpretation to illustrate the data distribution and the relationships between parameters. Rainfall distribution in West Kalimantan Province is influenced by global climate dynamics and topographic conditions. In 2022, with La Nina and the southwest monsoon, rainfall was high and evenly distributed, while in 2023, with El Nino and the east monsoon, rainfall decreased, especially on the coast. The mountainous areas still receive rainfall throughout the year, although the intensity is reduced.
Co-Authors Abidin, Pramuditya Vanesya Putri Febrian Adhelia Widha Alfareta Aditya Pradana Aditya Utama Agus Suprihatin Utomo Ahmad Cahyadi Ahmad Cahyadi **) Ahmada, Benarifo Aida Mardiana Andi Syahid Muttaqin Andung Bayu Sekaranom Andung Bayu Sekaranom Andung Bayu Sekaranom Andung Bayu Sekaranom Anindya Hias Bestari Aniworo Nuladani Ardila Yananto Arum Rahayu Astuti, Bernadetta Indri Dwi Bowo Susilo Bowo Susilo Danardono Danardono Danardono, Danardono Delvita, Sisna Dyah Rahmawati Hizbaron Eko Bayu Dharma Putra Eko Haryono Eko Haryono Fathimah Nur Lestari Fawzia, Annisa Ayu Fawzia, Aulia Valerie Febriyan Rachmawati Fiel Unggul Prastyo Firmansyah, Anugrah Jorgi Fithriana, Nadia Fitria Nucifera Futuha Helen Sara Habibah Nurrohmah Hadi, Mohammad Pramono Harini Rika Henky Nugraha Henky Nugraha, Henky Ilham Diki Pratama Iswari Nur Hidayati M Iqbal Taufiqurrahman Sunariya Mohammad Pramono Hadi Muhammad Sufwandika Wijaya Muhammad Sufwandika Wijaya Naashiruddin Fikri Qushoyyi Naim, Asshaffa Nanda Fuji Lestari Oktaviani, Malinda Budi PENIDDA, ELBIBIYA IZZUL Pertiwi, Serly Andini Prabowo, Andriyas Aryo Pratama, Ilham Diki Putra, Eko Bayu Dharma Rahmatika, Iklila Rika Harini Rika Harini Ryan Andri Wijaya Safira Bitanisa Adnia Amanitya Sani Afifah Sekar Gading Hermawan Setyaningrum, Etik Sri Lestariningsih Sri Rum Giyarsih Sri Rum Giyarsih Sudibyakto Sudibyakto Sudibyakto Sudibyakto Suharyadi, R Sutriani Sutriani SUWARNO HADISUSANTO Utia Suarma Wahyu Widiyatmoko Widiyana Riasasi Widyatmanti, Wirastuti Zerlinda, Aurelia Zunnikah, Zunnikah