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dc.contributor.authorGe, Jianzhong
dc.contributor.authorShi, Shenyang
dc.contributor.authorLiu, Jie
dc.contributor.authorXu, Yi
dc.contributor.authorChen, Changsheng
dc.contributor.authorBellerby, Richard
dc.contributor.authorDing, Pingxing
dc.date.accessioned2021-04-22T06:34:12Z
dc.date.available2021-04-22T06:34:12Z
dc.date.created2020-03-23T16:09:13Z
dc.date.issued2020
dc.PublishedJournal of Geophysical Research (JGR): Oceans. 2020, 125 (3), .
dc.identifier.issn2169-9275
dc.identifier.urihttps://hdl.handle.net/11250/2738987
dc.description.abstractCoastal ecosystems are strongly influenced by terrestrial inputs of freshwater, sediments, and nutrients, particularly in a megariver estuary of the Changjiang River. A remarkable increase in nutrient loading from the Changjiang River to the shelf has been observed over the period from 1999 to 2016 and turned the region into a high eutrophication condition. The Finite‐Volume Community Ocean Model and the European Regional Seas Ecosystem Model were coupled to assess the impact of the nutrient loading on the interannual variability of nutrients and phytoplankton. The model was first validated via observational data, and then dynamical analysis were conducted. Singular vector decomposition analysis indicated that the rapid change of local ecosystem was highly correlated with the change in river nutrient contributions. The Changjiang estuarine ecosystem was phosphate limited. The phosphate exhibited local variation, while the abundant nitrate from the river was diluted by the low‐nitrate oceanic water. The suspended sediment was significantly correlated with phytoplankton but not with nutrients. The ratio of diatom biomass to dinoflagellate biomass respected a rapid response to strong oscillations in the river nutrient input. High diatom primary production occurred near the sediment front, whereas the dinoflagellate bloom extended significantly offshore. The spring diatom and dinoflagellate blooms had major peaks in the empirical orthogonal function Modes 1 and 2, and the autumn bloom is characterized by secondary peaks from Mode 2 in the autumn.en_US
dc.language.isoengen_US
dc.publisherAGUen_US
dc.titleInterannual Variabilities of Nutrients and Phytoplankton off the Changjiang Estuary in Response to Changing River Inputsen_US
dc.typeJournal articleen_US
dc.typePeer revieweden_US
dc.description.versionpublishedVersionen_US
dc.rights.holderCopyright 2020. American Geophysical Union. All Rights Reserveden_US
dc.source.articlenumbere2019JC015595en_US
cristin.ispublishedtrue
cristin.fulltextoriginal
cristin.qualitycode2
dc.identifier.doi10.1029/2019JC015595
dc.identifier.cristin1803056
dc.source.journalJournal of Geophysical Research (JGR): Oceansen_US
dc.source.40125
dc.source.143
dc.relation.projectNorges forskningsråd: 160016en_US
dc.identifier.citationJournal of Geophysical Research (JGR): Oceans. 2020, 125, 3, e2019JC015595en_US
dc.source.volume125en_US
dc.source.issue3en_US


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