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Identification of Upwelling Area of the Western Territorial Waters of Indonesia From 2000 To 2017

Indonesian Journal of Geography · Vol. 52 No. 1 (2020) · hlm. 105–111

DOI
10.22146/ijg.50641
ISSN
2354-9114, 0024-9521
Terbit
2020-04-28
Penerbit
Faculty of Geography, Universitas Gadjah Mada
Bahasa
eng
Lisensi
creativecommons.org/licenses/by-nc/4.0

Abstrak

The Western Waters of Indonesian (WWI) present a diverse interaction of ocean-atmosphere dynamics. One of them represents the event of Indian Ocean Dipole (IOD), El Niño–Southern Oscillation (ENSO), and upwelling. The objective of this study is to determine the dynamics of chlorophyll-a concentration (Chl–a), especially during IOD and ENSO. Also, this study is aimed to examine the temporal and spatial distribution of the upwelling area from 2000 to 2017. The data utilized consisted of Chl–a, wind stress, Sea Level Anomaly (SLA), and Sea Surface Temperature (SST). The technique used to determine the upwelling area was by examining the maximum conditions of Chl–a, the low temperature of SST, and SLA. The results showed the sea surface temperature had a relationship with the concentration of Chl–a. It was obtained if the Directional Movement Index (DMI) and N3.4 (Niño 3.4 Index) moved stably (not too fluctuation) resulting in high concentrations of Chl–a. High standard deviations of SST are recognized around the Sunda Strait (June – October). When the standard deviation of SST is high, there is also a tendency for high Chl–a concentrations, while the results of empirical calculations show that large areas of upwelling occurred in January and September respectively at 12,447.72 km2 and 8,146.20 km2. Based on the results of the analysis, it can be concluded that the upwelling does not only occur at the coastal area of Western Sumatra (coastal upwelling), but it also occurs in the eastern territorial waters of the Indian Ocean. In addition, the upwelling area has the same pattern as the Chl–a concentration in January - October.

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  • Universitas Halu Oleo
  • Politeknik Negeri Cilacap
  • University of Singaperbangsa Karawang
  • State University of Semarang
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Rekan penulisOrganisasiArtikel bersama
Jayusman JayusmanAfiliasi tidak diketahui2
I. G. PermanaAfiliasi tidak diketahui2
A BoedionoAfiliasi tidak diketahui2
T. ToharmatAfiliasi tidak diketahui2
Linda Perdana WantiAfiliasi tidak diketahui1
Nur Wachid Adi PrasetyaAfiliasi tidak diketahui1
Zahrun NafisaAfiliasi tidak diketahui1
Muhammad RamadaniAfiliasi tidak diketahui1
Linda Perdana WantiPoliteknik Negeri Cilacap1
Nur Wachid Adi PrasetyaPoliteknik Negeri Cilacap1
Zahrun NafisaPoliteknik Negeri Cilacap1
Muhammad RamadaniPoliteknik Negeri Cilacap1
Nur Isiyana WiantiAfiliasi tidak diketahui1
La NalefoAfiliasi tidak diketahui1
Bayu AgustiraUniversity of Singaperbangsa Karawang1
Lela NurpulaelaUniversity of Singaperbangsa Karawang1
Hamdan HasUniversitas Halu Oleo1
Rusli BadaruddinUniversitas Halu Oleo1
Asma Bio KimestriUniversitas Halu Oleo1
Hartati BaharUniversitas Halu Oleo1
CECE SURIANI ISMAILAfiliasi tidak diketahui1
Arafat MallapisengAfiliasi tidak diketahui1
Sismayani SismayaniAfiliasi tidak diketahui1
Cantika CantikaAfiliasi tidak diketahui1
Aisyatun SalsabillaAfiliasi tidak diketahui1
Andi Usnul AlyasAfiliasi tidak diketahui1
Arlisa Daeng RibauAfiliasi tidak diketahui1
Bambang SusiloAfiliasi tidak diketahui1
Dilla DillaAfiliasi tidak diketahui1
Sarma SarmaAfiliasi tidak diketahui1
Putu Aditia PratamaAfiliasi tidak diketahui1
Wirandika SofyanAfiliasi tidak diketahui1
Scolastika MarianiState University of Semarang1
Sugiman SugimanAfiliasi tidak diketahui1
Fuad MuchlisAfiliasi tidak diketahui1
Muhammad MaulanaAfiliasi tidak diketahui1
Aditya WahyudhiAfiliasi tidak diketahui1
Dody PerwiraAfiliasi tidak diketahui1

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Sumber metadata: OAI-PMH (metadata jurnal) http://jurnal.ugm.ac.id/ijg/oai, pertama di-harvest 8 Nov 2026, terakhir terlihat 8 Nov 2026.
Metadata asli (oai_dc) 
<oai_dc:dc xmlns="http://www.openarchives.org/OAI/2.0/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/  http://www.openarchives.org/OAI/2.0/oai_dc.xsd">
	<dc:title xml:lang="en-US">Identification of Upwelling Area of the Western Territorial Waters of Indonesia From 2000 To 2017</dc:title>
	<dc:creator>Supriyadi, Eko</dc:creator>
	<dc:creator>Hidayat, Rahmat</dc:creator>
	<dc:subject xml:lang="en-US">Oceanography;Climatology;Remote Sensing</dc:subject>
	<dc:subject xml:lang="en-US">Chl–a;SLA;SST;upwelling</dc:subject>
	<dc:subject xml:lang="en-US"></dc:subject>
	<dc:description xml:lang="en-US">The Western Waters of Indonesian (WWI) present a diverse interaction of ocean-atmosphere dynamics. One of them represents the event of Indian Ocean Dipole (IOD), El Niño–Southern Oscillation (ENSO), and upwelling. The objective of this study is to determine the dynamics of chlorophyll-a concentration (Chl–a), especially during IOD and ENSO. Also, this study is aimed to examine the temporal and spatial distribution of the upwelling area from 2000 to 2017. The data utilized consisted of Chl–a, wind stress, Sea Level Anomaly (SLA), and Sea Surface Temperature (SST). The technique used to determine the upwelling area was by examining the maximum conditions of Chl–a, the low temperature of SST, and SLA. The results showed the sea surface temperature had a relationship with the concentration of Chl–a. It was obtained if the Directional Movement Index (DMI) and N3.4 (Niño 3.4 Index) moved stably (not too fluctuation) resulting in high concentrations of Chl–a. High standard deviations of SST are recognized around the Sunda Strait (June – October). When the standard deviation of SST is high, there is also a tendency for high Chl–a concentrations, while the results of empirical calculations show that large areas of upwelling occurred in January and September respectively at 12,447.72 km2 and 8,146.20 km2. Based on the results of the analysis, it can be concluded that the upwelling does not only occur at the coastal area of Western Sumatra (coastal upwelling), but it also occurs in the eastern territorial waters of the Indian Ocean. In addition, the upwelling area has the same pattern as the Chl–a concentration in January - October. </dc:description>
	<dc:publisher xml:lang="en-US">Faculty of Geography, Universitas Gadjah Mada</dc:publisher>
	<dc:contributor xml:lang="en-US"></dc:contributor>
	<dc:date>2020-04-28</dc:date>
	<dc:type>info:eu-repo/semantics/article</dc:type>
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	<dc:type xml:lang="en-US">Peer-reviewed Article</dc:type>
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	<dc:format>application/pdf</dc:format>
	<dc:identifier>https://journal.ugm.ac.id/ijg/article/view/50641</dc:identifier>
	<dc:identifier>10.22146/ijg.50641</dc:identifier>
	<dc:source xml:lang="en-US">Indonesian Journal of Geography; Vol 52, No 1 (2020): Indonesian Journal of Geography; 105-111</dc:source>
	<dc:source>2354-9114</dc:source>
	<dc:source>0024-9521</dc:source>
	<dc:language>eng</dc:language>
	<dc:relation>https://journal.ugm.ac.id/ijg/article/view/50641/pdf</dc:relation>
	<dc:relation>https://journal.ugm.ac.id/ijg/article/downloadSuppFile/50641/9721</dc:relation>
	<dc:relation>https://journal.ugm.ac.id/ijg/article/downloadSuppFile/50641/9722</dc:relation>
	<dc:coverage xml:lang="en-US"></dc:coverage>
	<dc:coverage xml:lang="en-US"></dc:coverage>
	<dc:coverage xml:lang="en-US"></dc:coverage>
	<dc:rights xml:lang="en-US">Copyright (c) 2020 Authors</dc:rights>
	<dc:rights xml:lang="en-US">http://creativecommons.org/licenses/by-nc/4.0</dc:rights>
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