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Understanding the Seasonality, Trends, and Controlling Factors of Indian Ocean Acidification Over Distinctive Bio-Provinces

DC Field Value Language
dc.contributor.authorMadkaiker, K.-
dc.contributor.authorValsala, V.-
dc.contributor.authorM. G. Sreeush-
dc.contributor.authorMallissery, A.-
dc.contributor.authorChakraborty, K.-
dc.contributor.authorDeshpande, A.-
dc.date.accessioned2023-08-21T22:02:44Z-
dc.date.available2023-08-21T22:02:44Z-
dc.date.created2023-03-14-
dc.date.issued2023-01-
dc.identifier.issn2169-8953-
dc.identifier.urihttps://pr.ibs.re.kr/handle/8788114/13810-
dc.description.abstractThe Indian Ocean (IO) is witnessing acidification as a direct consequence of the continuous rising of atmospheric CO2 concentration and indirectly due to rapid ocean warming, which disrupts the pH of the surface waters. This study investigates the pH seasonality and trends over various bio-provinces of the IO and regionally assesses the contribution of each of its controlling factors. Simulations from a global and a regional ocean model coupled with biogeochemical modules were validated with pH measurements over the basin and used to discern the regional response of pH seasonality (1990–2010) and trend (1961–2010) to changes in Sea Surface Temperature (SST), Dissolved Inorganic Carbon (DIC), Total Alkalinity (ALK), and Salinity (S). DIC and SST are significant contributors to the seasonal variability of pH in almost all bio-provinces. Total acidification in the IO basin was 0.0675 units from 1961 to 2010, with 69.3% contribution from DIC followed by 13.8% contribution from SST. For most of the bio-provinces, DIC remains a dominant contributor to changing trends in pH except for the Northern Bay of Bengal and Around India (NBoB-AI) region, wherein the pH trend is dominated by ALK (55.6%) and SST (16.8%). Interdependence of SST and S over ALK is significant in modifying the carbonate chemistry and biogeochemical dynamics of NBoB-AI and a part of tropical, subtropical IO bio-provinces. A strong correlation between SST and pH trends infers an increasing risk of acidification in the bio-provinces with rising SST and points out the need for sustained monitoring of IO pH in such hotspots. © 2023. American Geophysical Union. All Rights Reserved.-
dc.language영어-
dc.publisherJohn Wiley and Sons Inc-
dc.titleUnderstanding the Seasonality, Trends, and Controlling Factors of Indian Ocean Acidification Over Distinctive Bio-Provinces-
dc.typeArticle-
dc.type.rimsART-
dc.identifier.wosid001133373500001-
dc.identifier.scopusid2-s2.0-85147149390-
dc.identifier.rimsid80223-
dc.contributor.affiliatedAuthorM. G. Sreeush-
dc.identifier.doi10.1029/2022JG006926-
dc.identifier.bibliographicCitationJournal of Geophysical Research: Biogeosciences, v.128, no.1-
dc.relation.isPartOfJournal of Geophysical Research: Biogeosciences-
dc.citation.titleJournal of Geophysical Research: Biogeosciences-
dc.citation.volume128-
dc.citation.number1-
dc.type.docTypeArticle-
dc.description.journalClass1-
dc.description.journalClass1-
dc.description.isOpenAccessN-
dc.description.journalRegisteredClassscie-
dc.description.journalRegisteredClassscopus-
dc.relation.journalResearchAreaEnvironmental Sciences & Ecology-
dc.relation.journalResearchAreaGeology-
dc.relation.journalWebOfScienceCategoryEnvironmental Sciences-
dc.relation.journalWebOfScienceCategoryGeosciences, Multidisciplinary-
dc.subject.keywordPlusCARBON-DIOXIDE-
dc.subject.keywordPlusBULK PARAMETERIZATION-
dc.subject.keywordPlusTEMPORAL-CHANGES-
dc.subject.keywordPlusTOTAL ALKALINITY-
dc.subject.keywordPlusSURFACE OCEAN-
dc.subject.keywordPlusTIME-SERIES-
dc.subject.keywordPlusCO2 FLUXES-
dc.subject.keywordPlusSEA-
dc.subject.keywordPlusVARIABILITY-
dc.subject.keywordPlusPCO(2)-
dc.subject.keywordAuthorair-sea CO2 flux-
dc.subject.keywordAuthorcarbon cycle-
dc.subject.keywordAuthorIndian Ocean-
dc.subject.keywordAuthorocean acidification-
dc.subject.keywordAuthorOTTM-
dc.subject.keywordAuthorpH trend-
Appears in Collections:
Center for Climate Physics(기후물리 연구단) > 1. Journal Papers (저널논문)
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