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Suspended particulate matter affects the nutrient budget of turbid estuaries: Modification of the LOICZ model and application to the Yangtze Estuary

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dc.contributor Australian Inst Marine Sci
dc.contributor East China Normal University
dc.contributor James Cook Univ
dc.contributor James Cook University
dc.contributor Australian Institute Of Marine Science
dc.contributor E China Normal Univ
dc.contributor State Key Lab Estuarine & Coastal Res
dc.contributor Dept Geog
dc.contributor.author CHEN, ZHONGYUAN
dc.contributor.author XU, HAO
dc.contributor.author WOLANSKI, ERIC
dc.date.accessioned 2017-03-22T07:20:40Z
dc.date.accessioned 2017-03-22T07:20:40Z
dc.date.accessioned 2020-07-20T00:22:16Z
dc.date.available 2017-03-22T07:20:40Z
dc.date.available 2017-03-22T07:20:40Z
dc.date.available 2020-07-20T00:22:16Z
dc.date.issued 2013-07-20
dc.identifier.citation Xu H, Wolanski E, Chen ZY (2013) Suspended particulate matter affects the nutrient budget of turbid estuaries: Modification of the LOICZ model and application to the Yangtze Estuary. Estuarine Coastal and Shelf Science 127: 59-62
dc.identifier.issn 0272-7714
dc.identifier.uri http://epubs.aims.gov.au/11068/536
dc.description.abstract This study estimates the importance of the estuarine suspended particulate matter (SPM) on the nutrient budget of the Yangtze Estuary by using extensive field data and a modified version of the LOICZ biogeochemical model that incorporates the partitioning of the nutrients between dissolved and particulate phases. The value of the nutrient partition coefficient in the Yangtze Estuary shows a similar dependence to that in European estuaries. High values of the Net Ecosystem Metabolism are found, with p-r values equal to -10.9 mmol C m(-2) day(-1) for the non-flood season. If nutrient partitioning was neglected this value would be -2.7 mmol C m(-2) day(-1), which would have been wrongly interpreted as biological decay and primary production in the turbidity maximum zone and in coastal waters, respectively. The rate of heterotrophy is thus three times higher than when the interaction of SPM with the nutrients is neglected. These results suggest that the estimates of nutrient budgets in turbid estuaries worldwide that ignore the role of SPM in sequestering nutrients, as with most estuarine biogeochemical models, may be incorrect and need to be re-calculated. (C) 2013 Elsevier Ltd. All rights reserved.
dc.description.sponsorship This research was financially supported by Creative Research Groups of the China Natural Science Foundation (40721004), Australia Research Council (Grant No: P110103381), and ESPA (Grant No. NE/J001902/1), and the Land Ocean Interaction in the Coastal Zone (LOICZ), Germany, for supporting the development of the model.
dc.language English
dc.relation.ispartof Null
dc.subject Turbidity
dc.subject Brackish Water Environment
dc.subject Marine & Freshwater Biology
dc.subject Sequestration
dc.subject Metabolism
dc.subject Nutrient Cycles
dc.subject Oceanography
dc.subject Yangtze Estuary
dc.subject River
dc.subject Sea
dc.title Suspended particulate matter affects the nutrient budget of turbid estuaries: Modification of the LOICZ model and application to the Yangtze Estuary
dc.type journal article
dc.identifier.doi 10.1016/j.ecss.2013.04.020
dc.identifier.wos WOS:000321149700007


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