High primary productivity and f-ratio in summer in the Ulleung basin of the East/Japan Sea SCIE SCOPUS

DC Field Value Language
dc.contributor.author Kwak, Jung Hyun -
dc.contributor.author Hwang, Jeomshik -
dc.contributor.author Choy, Eun Jung -
dc.contributor.author Park, Hyun Je -
dc.contributor.author Kang, Dong-Jin -
dc.contributor.author Lee, Tongsup -
dc.contributor.author Chang, Kyung-Il -
dc.contributor.author Kim, Kyung-Ryul -
dc.contributor.author Kang, Chang-Keun -
dc.date.accessioned 2020-04-20T05:25:42Z -
dc.date.available 2020-04-20T05:25:42Z -
dc.date.created 2020-01-28 -
dc.date.issued 2013-09 -
dc.identifier.issn 0967-0637 -
dc.identifier.uri https://sciwatch.kiost.ac.kr/handle/2020.kiost/3106 -
dc.description.abstract To better understand the cause of high summer primary productivity in the Ulleung Basin located in the southwest part of the East/Japan Sea, the spatial dynamics of primary, new, and regenerated productivities (PP, NP, and RP) were examined along the path of the Tsushima Warm Current system in summer 2008. We compared hydrographic and chemical parameters in the Ulleung Basin with those of the Kuroshio Current in the Western Pacific Ocean and the East China Sea. In summer, integrated primary productivity (IPP, 0.37-0.96 g C m(-2) d(-1)) and integrated new productivity (INP, 26-221 mg N m(-2) d(-1)) within the euphotic zone in the Ulleung Basin were higher than those in the East China Sea and the Western Pacific Ocean (0.17-0.28 g C m(-2) C d(-1), 2-5 mg N m(-2) d(-1), respectively). In Contrast, there Was no pronounced spatial variation in integrated regenerated productivity (IRP, 43-824 mg N m(-2) d(-1)). Strong positive Correlations between IPP and INP (also the f-ratio), and between nitrate uptake rate in the mixed layer and nitrate upward flux through the top of pycnocline in summer in the Ulleung Basin imply that the high IPP was mainly supported by supply of nitrate from the underlying water in the euphotic zone. Shallowing of the pycnocline depth as the current enters the East/Japan Sea facilitates nitrate supply from the nutrient-replete cold water immediately below the pycnocline through nitrate upward flux. A subsurface maximum in PP at or above the pycnocline and a high f-ratio further support the importance of this source of nitrate for maintaining the high summer PP in the Ulleung Basin. In comparison, the high PP layer was observed at the surface in the following fall and spring in the Ulleung Basin. Our results demonstrate the importance of hydrographic features in enhancing PP in this oligotrophic Tsushima Warm Current system. (C) 2013 Elsevier Ltd. All rights reserved. -
dc.description.uri 1 -
dc.language English -
dc.publisher PERGAMON-ELSEVIER SCIENCE LTD -
dc.subject EAST CHINA SEA -
dc.subject PACIFIC-OCEAN -
dc.subject REGENERATED PRODUCTION -
dc.subject EQUATORIAL PACIFIC -
dc.subject MARINE-PHYTOPLANKTON -
dc.subject SEASONAL DYNAMICS -
dc.subject CONTINENTAL-SHELF -
dc.subject TROPICAL PACIFIC -
dc.subject NITROGEN UPTAKE -
dc.subject COASTAL WATERS -
dc.title High primary productivity and f-ratio in summer in the Ulleung basin of the East/Japan Sea -
dc.type Article -
dc.citation.endPage 85 -
dc.citation.startPage 74 -
dc.citation.title DEEP-SEA RESEARCH PART I-OCEANOGRAPHIC RESEARCH PAPERS -
dc.citation.volume 79 -
dc.identifier.bibliographicCitation DEEP-SEA RESEARCH PART I-OCEANOGRAPHIC RESEARCH PAPERS, v.79, pp.74 - 85 -
dc.identifier.doi 10.1016/j.dsr.2013.05.011 -
dc.identifier.scopusid 2-s2.0-84879472275 -
dc.identifier.wosid 000322938900007 -
dc.type.docType Article -
dc.description.journalClass 1 -
dc.subject.keywordPlus EAST CHINA SEA -
dc.subject.keywordPlus PACIFIC-OCEAN -
dc.subject.keywordPlus REGENERATED PRODUCTION -
dc.subject.keywordPlus EQUATORIAL PACIFIC -
dc.subject.keywordPlus MARINE-PHYTOPLANKTON -
dc.subject.keywordPlus SEASONAL DYNAMICS -
dc.subject.keywordPlus CONTINENTAL-SHELF -
dc.subject.keywordPlus TROPICAL PACIFIC -
dc.subject.keywordPlus NITROGEN UPTAKE -
dc.subject.keywordPlus COASTAL WATERS -
dc.subject.keywordAuthor Primary productivity -
dc.subject.keywordAuthor Nitrogen uptake -
dc.subject.keywordAuthor f-ratio -
dc.subject.keywordAuthor Hydrography -
dc.subject.keywordAuthor Nitrate upward flux -
dc.subject.keywordAuthor East/Japan Sea -
dc.relation.journalWebOfScienceCategory Oceanography -
dc.description.journalRegisteredClass scie -
dc.description.journalRegisteredClass scopus -
dc.relation.journalResearchArea Oceanography -
Appears in Collections:
Marine Environmental & Climate Research Division > Marine Environmental Research Center > 1. Journal Articles
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