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Quantitative Comparison of Algorithms for Estimating the Air-sea Exchange of Carbon Dioxide in Malacca Straits

ILMU KELAUTAN: Indonesian Journal of Marine Sciences · Vol. 23 No. 2 (2018) · hlm. 81–86

DOI
10.14710/ik.ijms.23.2.81-86
ISSN
2406-7598, 0853-7291
Terbit
2018-06-21
Penerbit
Marine Science Department Diponegoro University
Bahasa
eng
Lisensi
creativecommons.org/licenses/by-sa/4.0

Abstrak

A precise quantification of the sea surface partial pressure of carbon dioxide (pCO2(water)) at the water surface is required in order to define the role of the sea in air-sea exchange of CO2. Even though the pCO2(water) can be measured directly, the semi-empirical model has seen numerous application in determining the pCO2 (water) due to a time-and cost-efficient. This study aims to compare the pCO2 and FCO2 (Flux of CO2) calculated using Zhai and Zhu algorithm with the underway datasets of pCO2 obtained during the scientific cruise of CISKA-SPICE III in April 2013. The partial pressure of CO2 (pCO2) was measured using a high-accuracy electrochemical instrumentation underway HydroC/CO2 FT (flow through) with an error ±1 μ atm. Furthermore, in order to calculate the pCO2 and the FCO2 employing widely used algorithms, some data were needed including wind speed, sea surface temperature and chlorophyll-a extracted from MODIS (Moderate Resolution Imaging Spectroradiometer). According to the results obtained, the difference between the pCO2 and FCO2 derived from those two algorithms are significant. The underway datasets of pCO2 are ranging from 409.52-544.01 µatm. Meanwhile, the pCO2 derived using the Zhai algorithm and Zhu algorithm are between 405.003–422.79 µatm and 398.94-752.06 µatm respectively. The FCO2 are varied between 0.02–0.06 molC.m-2.day-1 (Zhai algorithm), 0.02-0.57 molC.m-2.day-1 (Zhu algorithm) dan 0.04-0.23 molC.m-2.day-1 (the underway datasets). A comparison of the two results reveals that pCO2 derived using Zhai algorithm is closer with the underway datasets compared with the result of pCO2 calculated using Zhu algorithm with the MRE (Mean Relative Estimation Error) as large as 19.4% and 39% respectively. Taken together, these results suggest that the Zhai algorithm is more appropriate to determine algorithms for estimating the air-sea exchange of carbon dioxide in the Malacca Straits.Keywords: carbon dioxide, Malacca Straits, pCO2, FCO2, Zhai and Zhu algorithm

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  • Diponegoro University
  • National Research and Innovation Agency
  • Sekolah Tinggi Teknologi Angkatan Laut
  • Sumatera Institute of Technology
  • Pusat Hidro-Oseanografi Angkatan Laut
  • Indonesia Defense University
  • Hasanuddin University
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Tampilkan sebagai tabel
Rekan penulisOrganisasiArtikel bersama
Anindya WirasatriyaDiponegoro University4
Elis IndrayantiDiponegoro University3
Sugeng WidadaDiponegoro University2
Agus TinusSekolah Tinggi Teknologi Angkatan Laut1
Purry Djati AnggaraPusat Hidro-Oseanografi Angkatan Laut1
Taufiq SupriyantIndonesia Defense University1
Awaluddin AwaluddinHasanuddin University1
Yoyok Nurkaya SantosaAfiliasi tidak diketahui1
Muhammad BakriAfiliasi tidak diketahui1
Hawati HawatiAfiliasi tidak diketahui1
Kurnia MalikSekolah Tinggi Teknologi Angkatan Laut1
Anis Yasmin SabilaDiponegoro University1
Indra Budi PrasetyawanDiponegoro University1
Johar SetiyadiNaval State University1
Achmad Fachruddin SyahUniversitas Trunodjoyo Madura1
Johanis Dominggus LelaletteAfiliasi tidak diketahui1
Muh. Hafizh IzzaturrahimNational Research and Innovation Agency1
Muhammad HelmiDiponegoro University1
Laila LatifahDiponegoro University1
Subekti MujiasihNational Research and Innovation Agency1
Herlina Ika RatnawatiNational Research and Innovation Agency1
Rahaden Bagas HatmajaNational Research and Innovation Agency1
Mario Putra SuhanaUniversitas Maritim Raja Ali Haji1
Mochamad Furqon Azis IsmailNational Research and Innovation Agency1
Fauzan Novan RyantoNational Research and Innovation Agency1
Heryoso SetiyonoDiponegoro University1
Azis RifaiDiponegoro University1
Ulung Jantama WishaMinistry of Marine Affairs and Fisheries1
Baskoro RochaddiDiponegoro University1
M. Firouz Dimas SadewoDiponegoro University1
Parichat WetchayountAfiliasi tidak diketahui1
Hariyadi HariyadiDiponegoro University1
Johannes HutabaratDiponegoro University1
Kunarso KunarsoDiponegoro University1
Denny Nugroho SugiantoDiponegoro University1
Muhammad Faiq Marwa NoercholisDiponegoro University1
Niken Dwi PrasetyariniDiponegoro University1

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Sumber metadata: OAI-PMH (metadata jurnal) http://ejournal.undip.ac.id/index.php/ijms/oai, pertama di-harvest 8 Nov 2026, terakhir terlihat 8 Nov 2026.
Metadata asli (oai_dc) 
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	<dc:title xml:lang="en-US">Quantitative Comparison of Algorithms for Estimating the Air-sea Exchange of Carbon Dioxide in Malacca Straits</dc:title>
	<dc:creator>Maslukah, Lilik</dc:creator>
	<dc:creator>Adisaputro, Didi</dc:creator>
	<dc:creator>Pranowo, Widodo Setiyo</dc:creator>
	<dc:subject xml:lang="en-US"></dc:subject>
	<dc:description xml:lang="en-US">A precise quantification of the sea surface partial pressure of carbon dioxide (pCO2(water)) at the water surface is required in order to define the role of the sea in air-sea exchange of CO2. Even though the pCO2(water) can be measured directly, the semi-empirical model has seen numerous application in determining the pCO2 (water) due to a time-and cost-efficient. This study aims to compare the pCO2 and FCO2 (Flux of CO2) calculated using Zhai and Zhu algorithm with the underway datasets of pCO2 obtained during the scientific cruise of CISKA-SPICE III in April 2013. The partial pressure of CO2 (pCO2) was measured using a high-accuracy electrochemical instrumentation underway HydroC/CO2 FT (flow through) with an error ±1 μ atm. Furthermore, in order to calculate the pCO2 and the FCO2 employing widely used algorithms, some data were needed including wind speed, sea surface temperature and chlorophyll-a extracted from MODIS (Moderate Resolution Imaging Spectroradiometer). According to the results obtained, the difference between the pCO2 and FCO2 derived from those two algorithms are significant. The underway datasets of pCO2 are ranging from 409.52-544.01 µatm. Meanwhile, the pCO2 derived using the Zhai algorithm and Zhu algorithm are between 405.003–422.79 µatm and 398.94-752.06 µatm respectively. The FCO2 are varied between 0.02–0.06 molC.m-2.day-1 (Zhai algorithm), 0.02-0.57 molC.m-2.day-1  (Zhu algorithm) dan 0.04-0.23 molC.m-2.day-1 (the underway datasets). A comparison of the two results reveals that pCO2 derived using Zhai algorithm is closer with the underway datasets compared with the result of pCO2 calculated using Zhu algorithm with the MRE (Mean Relative Estimation Error) as large as 19.4% and 39% respectively. Taken together, these results suggest that the Zhai algorithm is more appropriate to determine algorithms for estimating the air-sea exchange of carbon dioxide in the Malacca Straits.Keywords: carbon dioxide, Malacca Straits, pCO2, FCO2, Zhai and Zhu algorithm</dc:description>
	<dc:publisher xml:lang="en-US">Marine Science Department Diponegoro University</dc:publisher>
	<dc:contributor xml:lang="en-US"></dc:contributor>
	<dc:date>2018-06-21</dc:date>
	<dc:type>info:eu-repo/semantics/article</dc:type>
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	<dc:identifier>https://ejournal.undip.ac.id/index.php/ijms/article/view/12978</dc:identifier>
	<dc:identifier>10.14710/ik.ijms.23.2.81-86</dc:identifier>
	<dc:source xml:lang="en-US">ILMU KELAUTAN: Indonesian Journal of Marine Sciences; Vol 23, No 2 (2018): Ilmu Kelautan; 81-86</dc:source>
	<dc:source>2406-7598</dc:source>
	<dc:source>0853-7291</dc:source>
	<dc:language>eng</dc:language>
	<dc:relation>https://ejournal.undip.ac.id/index.php/ijms/article/view/12978/pdf</dc:relation>
	<dc:rights xml:lang="en-US">Copyright (c) 2018 ILMU KELAUTAN: Indonesian Journal of Marine Sciences</dc:rights>
	<dc:rights xml:lang="en-US">http://creativecommons.org/licenses/by-sa/4.0</dc:rights>
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