Seasonal variations in inorganic carbon components in the central and eastern Arabian Sea
Extensive observations have been made on the carbon dioxide system in the Arabian Sea during three different seasons as part of the Indian Joint Global Ocean Flux Study (JGOFS) Programme. Concentrations of total carbon dioxide and partial pressure of carbon dioxide exhibited seasonal variability, wi...
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Veröffentlicht in: | Current science (Bangalore) 1996, Vol.71 (11), p.852-856 |
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description | Extensive observations have been made on the carbon dioxide system in the Arabian Sea during three different seasons as part of the Indian Joint Global Ocean Flux Study (JGOFS) Programme. Concentrations of total carbon dioxide and partial pressure of carbon dioxide exhibited seasonal variability, with pronounced north-south gradients in surface layers. Total carbon dioxide in surface waters was higher by ∼100 μM during winter compared to the inter-monsoon period due to winter cooling and convective mixing. The partial pressure of carbon dioxide (pCO2) in surface layers was generally in excess over the atmospheric value, suggesting that the central and eastern Arabian Sea is a perennial source to atmospheric carbon dioxide. The flux of carbon dioxide to atmosphere reached a maximum of ∼40 mmole m-2d-1 around 16° N in the central Arabian Sea during monsoon season. The carbon dioxide regenerated from soft tissue was higher during winter and is the least in monsoon. The aragonite saturation horizon occurred around 500 m. |
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V. S. S. ; Kumar, M. Dileep ; George, M. D. ; Rajendran, A.</creator><creatorcontrib>Sarma, V. V. S. S. ; Kumar, M. Dileep ; George, M. D. ; Rajendran, A.</creatorcontrib><description>Extensive observations have been made on the carbon dioxide system in the Arabian Sea during three different seasons as part of the Indian Joint Global Ocean Flux Study (JGOFS) Programme. Concentrations of total carbon dioxide and partial pressure of carbon dioxide exhibited seasonal variability, with pronounced north-south gradients in surface layers. Total carbon dioxide in surface waters was higher by ∼100 μM during winter compared to the inter-monsoon period due to winter cooling and convective mixing. The partial pressure of carbon dioxide (pCO2) in surface layers was generally in excess over the atmospheric value, suggesting that the central and eastern Arabian Sea is a perennial source to atmospheric carbon dioxide. The flux of carbon dioxide to atmosphere reached a maximum of ∼40 mmole m-2d-1 around 16° N in the central Arabian Sea during monsoon season. The carbon dioxide regenerated from soft tissue was higher during winter and is the least in monsoon. The aragonite saturation horizon occurred around 500 m.</description><identifier>ISSN: 0011-3891</identifier><language>eng</language><publisher>Current Science Association</publisher><subject>Carbon dioxide ; Marine ; Monsoons ; Oceans ; Oxygen ; Rainy seasons ; Sea water ; Seas ; SPECIAL SECTION: JGOFS (INDIA) ; Surface layers ; Surface water ; Upwelling water</subject><ispartof>Current science (Bangalore), 1996, Vol.71 (11), p.852-856</ispartof><rights>Copyright © 1996 Indian Academy of Sciences</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.jstor.org/stable/pdf/24098558$$EPDF$$P50$$Gjstor$$H</linktopdf><linktohtml>$$Uhttps://www.jstor.org/stable/24098558$$EHTML$$P50$$Gjstor$$H</linktohtml><link.rule.ids>314,776,780,799,4010,57992,58225</link.rule.ids></links><search><creatorcontrib>Sarma, V. 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The partial pressure of carbon dioxide (pCO2) in surface layers was generally in excess over the atmospheric value, suggesting that the central and eastern Arabian Sea is a perennial source to atmospheric carbon dioxide. The flux of carbon dioxide to atmosphere reached a maximum of ∼40 mmole m-2d-1 around 16° N in the central Arabian Sea during monsoon season. The carbon dioxide regenerated from soft tissue was higher during winter and is the least in monsoon. The aragonite saturation horizon occurred around 500 m.</description><subject>Carbon dioxide</subject><subject>Marine</subject><subject>Monsoons</subject><subject>Oceans</subject><subject>Oxygen</subject><subject>Rainy seasons</subject><subject>Sea water</subject><subject>Seas</subject><subject>SPECIAL SECTION: JGOFS (INDIA)</subject><subject>Surface layers</subject><subject>Surface water</subject><subject>Upwelling water</subject><issn>0011-3891</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1996</creationdate><recordtype>article</recordtype><recordid>eNqFjEtLxDAUhbtQcBz9CUJW7go36eS1HAZfMOBCXbgqt2mqKW1Sk4zgvzc47gcuHC7nO99ZtQKgtG6UphfVZUojAGsY6FX1_mIxBY8T-cboMLvgE3G-XIgf6J0hBmMXPDFhXoK3Pv_V-dMSU55Yhuh7UiTZRk-2ETuHnhTrVXU-4JTs9X-uq7f7u9fdY71_fnjabff1yITKtaWdAUWloL0RFqAfAAamDWpjkQmuuTRDJxQKiaIHaLqNYEYPZgAuhe6bdXV79C4xfB1syu3skrHThN6GQ2qpolxopk6DglLdMHka5EpzJaGAN0dwTDnEdoluxvjTsg1oxblqfgF1anPP</recordid><startdate>1996</startdate><enddate>1996</enddate><creator>Sarma, V. V. S. S.</creator><creator>Kumar, M. Dileep</creator><creator>George, M. D.</creator><creator>Rajendran, A.</creator><general>Current Science Association</general><scope>F1W</scope><scope>H96</scope><scope>L.G</scope><scope>7SN</scope><scope>C1K</scope><scope>7TG</scope><scope>KL.</scope></search><sort><creationdate>1996</creationdate><title>Seasonal variations in inorganic carbon components in the central and eastern Arabian Sea</title><author>Sarma, V. V. S. S. ; Kumar, M. Dileep ; George, M. 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D.</creatorcontrib><creatorcontrib>Rajendran, A.</creatorcontrib><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 2: Ocean Technology, Policy & Non-Living Resources</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><collection>Ecology Abstracts</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Meteorological & Geoastrophysical Abstracts</collection><collection>Meteorological & Geoastrophysical Abstracts - Academic</collection><jtitle>Current science (Bangalore)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Sarma, V. V. S. S.</au><au>Kumar, M. Dileep</au><au>George, M. D.</au><au>Rajendran, A.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Seasonal variations in inorganic carbon components in the central and eastern Arabian Sea</atitle><jtitle>Current science (Bangalore)</jtitle><date>1996</date><risdate>1996</risdate><volume>71</volume><issue>11</issue><spage>852</spage><epage>856</epage><pages>852-856</pages><issn>0011-3891</issn><abstract>Extensive observations have been made on the carbon dioxide system in the Arabian Sea during three different seasons as part of the Indian Joint Global Ocean Flux Study (JGOFS) Programme. Concentrations of total carbon dioxide and partial pressure of carbon dioxide exhibited seasonal variability, with pronounced north-south gradients in surface layers. Total carbon dioxide in surface waters was higher by ∼100 μM during winter compared to the inter-monsoon period due to winter cooling and convective mixing. The partial pressure of carbon dioxide (pCO2) in surface layers was generally in excess over the atmospheric value, suggesting that the central and eastern Arabian Sea is a perennial source to atmospheric carbon dioxide. The flux of carbon dioxide to atmosphere reached a maximum of ∼40 mmole m-2d-1 around 16° N in the central Arabian Sea during monsoon season. The carbon dioxide regenerated from soft tissue was higher during winter and is the least in monsoon. The aragonite saturation horizon occurred around 500 m.</abstract><pub>Current Science Association</pub><tpages>5</tpages></addata></record> |
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source | Jstor Complete Legacy; Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals |
subjects | Carbon dioxide Marine Monsoons Oceans Oxygen Rainy seasons Sea water Seas SPECIAL SECTION: JGOFS (INDIA) Surface layers Surface water Upwelling water |
title | Seasonal variations in inorganic carbon components in the central and eastern Arabian Sea |
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