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Respective Influences of Indian Ocean Dipole and El Niño-Southern Oscillation on Indonesian Precipitation

Journal of Mathematical and Fundamental Sciences · Vol. 50 No. 3 (2018) · hlm. 257–272

DOI
10.5614/j.math.fund.sci.2018.50.3.3
ISSN
2338-5510, 2337-5760
Terbit
2018-12-21
Penerbit
Directorate for Research and Innovation (DRI) ITB
Bahasa
eng

Abstrak

The respective influences of the Indian Ocean Dipole (IOD) and El Niño-Southern Oscillation (ENSO) on Indonesian precipitation were evaluated using monthly precipitation data from the Global Precipitation Climatology Centre (GPCC) for January 1948 to December 2013. Simultaneous correlation between seasonal precipitation anomalies and climate indices for these two types of climate modes revealed that IOD events have a significant correlation with the precipitation over southern Sumatra, Java, southern Kalimantan, the Nusa Tenggara Islands, some parts of Sulawesi and eastern Papua. Meanwhile, ENSO events have a significant correlation with the precipitation over southern Sumatra, Java, Kalimantan, Sulawesi, and Papua. Droughts during the dry season (JJA and SON) typically occur when a positive IOD event simultaneously occurs with an El Niño event associated with anomalous low SST observed in the Indonesian seas and the southeastern equatorial Indian Ocean. Low SST anomalies lead to low-level wind divergence and reduce water vapor in the lower atmosphere, supress atmospheric convection over the Indonesian region and then cause a decrease in precipitation.

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  • Sriwijaya University
  • Universitas Islam Negeri Ar-Raniry
  • Khairun University
  • Japan Agency for Marine-Earth Science and Technology
  • Meteorological, Climatological, And Geophysical Agency
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Rekan penulisOrganisasiArtikel bersama
Raden PutraSriwijaya University4
Mokhamad Yusup Nur KhakimSriwijaya University2
Fitriyawany FitriyawanyUniversitas Islam Negeri Ar-Raniry2
Muhammad IrfanSriwijaya University2
Dedi SetiabudidayaSriwijaya University2
Wijaya MardiansyahSriwijaya University2
R. RumantriSriwijaya University1
Ishmi Khafishah NasutionSriwijaya University1
Feqqi Indah RiniSriwijaya University1
Mufti Amir SultanKhairun University1
Rusdi IbrahimKhairun University1
Ida MeutiawatiUniversitas Islam Negeri Ar-Raniry1
Fauriza HafniUniversitas Islam Negeri Ar-Raniry1
Popi Riski NataUniversitas Islam Negeri Ar-Raniry1
Fera AnnisaUniversitas Islam Negeri Ar-Raniry1
Melly AriskaSriwijaya University1
Hamdi AkhsanSriwijaya University1
Supari SupariMeteorological, Climatological, And Geophysical Agency1
Fena Siska PutriyaniSriwijaya University1
Budhi SetiawanSriwijaya University1
Eddy IbrahimSriwijaya University1
Rosihan PebriantoSriwijaya University1
Yukio MasumotoJapan Agency for Marine-Earth Science and Technology1
Keisuke MizunoJapan Agency for Marine-Earth Science and Technology1
Indra YustianSriwijaya University1
Zulkifli DahlanSriwijaya University1

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Sumber metadata: OAI-PMH (metadata jurnal) https://journals.itb.ac.id/index.php/jmfs/oai, pertama di-harvest 9 Nov 2026, terakhir terlihat 9 Nov 2026.
Metadata asli (oai_dc) 
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	<dc:title xml:lang="en-US">Respective Influences of Indian Ocean Dipole and El Niño-Southern Oscillation on Indonesian Precipitation</dc:title>
	<dc:creator>Lestari, Deni Okta</dc:creator>
	<dc:creator>Sutriyono, Edy</dc:creator>
	<dc:creator>Sabaruddin, Sabaruddin</dc:creator>
	<dc:creator>Iskandar, Iskhaq</dc:creator>
	<dc:subject xml:lang="en-US">Atmospheric water vapor</dc:subject>
	<dc:subject xml:lang="en-US">ENSO</dc:subject>
	<dc:subject xml:lang="en-US">Indian Ocean Dipole</dc:subject>
	<dc:subject xml:lang="en-US">Indonesian precipitation</dc:subject>
	<dc:subject xml:lang="en-US">SST anomalies</dc:subject>
	<dc:description xml:lang="en-US">The respective influences of the Indian Ocean Dipole (IOD) and El Niño-Southern Oscillation (ENSO) on Indonesian precipitation were evaluated using monthly precipitation data from the Global Precipitation Climatology Centre (GPCC) for January 1948 to December 2013. Simultaneous correlation between seasonal precipitation anomalies and climate indices for these two types of climate modes revealed that IOD events have a significant correlation with the precipitation over southern Sumatra, Java, southern Kalimantan, the Nusa Tenggara Islands, some parts of Sulawesi and eastern Papua. Meanwhile, ENSO events have a significant correlation with the precipitation over southern Sumatra, Java, Kalimantan, Sulawesi, and Papua. Droughts during the dry season (JJA and SON) typically occur when a positive IOD event simultaneously occurs with an El Niño event associated with anomalous low SST observed in the Indonesian seas and the southeastern equatorial Indian Ocean. Low SST anomalies lead to low-level wind divergence and reduce water vapor in the lower atmosphere, supress atmospheric convection over the Indonesian region and then cause a decrease in precipitation.</dc:description>
	<dc:publisher xml:lang="en-US">Directorate for Research and Innovation (DRI) ITB</dc:publisher>
	<dc:date>2018-12-21</dc:date>
	<dc:type>info:eu-repo/semantics/article</dc:type>
	<dc:type>info:eu-repo/semantics/publishedVersion</dc:type>
	<dc:format>application/pdf</dc:format>
	<dc:identifier>https://journals.itb.ac.id/index.php/jmfs/article/view/5439</dc:identifier>
	<dc:identifier>10.5614/j.math.fund.sci.2018.50.3.3</dc:identifier>
	<dc:source xml:lang="en-US">Journal of Mathematical and Fundamental Sciences; Vol. 50 No. 3 (2018); 257-272</dc:source>
	<dc:source>2338-5510</dc:source>
	<dc:source>2337-5760</dc:source>
	<dc:source>10.5614/j.math.fund.sci.2018.50.3</dc:source>
	<dc:language>eng</dc:language>
	<dc:relation>https://journals.itb.ac.id/index.php/jmfs/article/view/5439/3256</dc:relation>
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