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dc.contributor.author
Shi, Benwei
dc.contributor.author
Pratolongo, Paula Daniela
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dc.contributor.author
Duy, Yongfen
dc.contributor.author
Li, Jiasheng
dc.contributor.author
Yang, S.L.
dc.contributor.author
Wu, Jihua
dc.contributor.author
Xu, Kehui
dc.contributor.author
Wang, Ya Ping
dc.date.available
2020-03-13T22:32:50Z
dc.date.issued
2020-01
dc.identifier.citation
Shi, Benwei; Pratolongo, Paula Daniela; Duy, Yongfen; Li, Jiasheng; Yang, S.L.; et al.; Influence of macrobenthos ( Meretrix meretrix Linnaeus ) on erosion‐accretion processes in intertidal flats: A case study from a cultivation zone; John Wiley & Sons Inc; Journal of Geophysical Research: Biogeosciences; 1-2020
dc.identifier.issn
2169-8953
dc.identifier.uri
http://hdl.handle.net/11336/99618
dc.description.abstract
The activity of benthic organisms can strongly influence sediment dynamics in anintertidal flat. However, few studies have conducted a quantitative assessment of the effect of benthic organisms on erosion-accretion processes under field conditions. The aim of this study was to quantify the effects of the benthic clam Meretrix meretrix Linnaeus on bed erodibility and sediment erosion- accretion processes in an intertidal flat. Within the cultivation zone atsite A, M. meretrix is present in large numbers (up to 137 individuals/m2). On the other hand, site B is located outside the cultivation zone. At this site, which is only 500 m away from site A alongshore, M. meretrix forms a sparse population with only 3.7 individuals/m2. The results showed that the critical shear stress for erosion, denoted by τce, was 0.22 and 0.32 N/m2 at sites B and A, respectively, and the magnitudes of bed-level change were significantly higher at site A than site B. These results reveal the large effect of M. meretrix on decreasing τce, augmenting the erosion rate when the bed shear stress due to combined currents and waves, denoted by τcw, was higher than τce, and conversely enhancing the accretion rate when τcw < τce. The changes induced in these parameters are likely to have a large impact on model predictions of bed erodibility, sedimentary processes, and morphological evolution. Thus, integrated field measurements of hydrodynamic and bed-level changes, accompanied by simultaneous biological sampling, may help to improve the parameterization of hydro-sedimentary and morphodynamic models for shallow-water environments
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
John Wiley & Sons Inc
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dc.rights
info:eu-repo/semantics/embargoedAccess
dc.rights.uri
https://creativecommons.org/licenses/by/2.5/ar/
dc.subject
XX
dc.subject.classification
Ciencias Medioambientales
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dc.subject.classification
Ciencias de la Tierra y relacionadas con el Medio Ambiente
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dc.subject.classification
CIENCIAS NATURALES Y EXACTAS
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dc.title
Influence of macrobenthos ( Meretrix meretrix Linnaeus ) on erosion‐accretion processes in intertidal flats: A case study from a cultivation zone
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2020-01-13T14:34:27Z
dc.journal.pais
Estados Unidos
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dc.journal.ciudad
Bridgewater
dc.description.fil
Fil: Shi, Benwei. Tongji University; República de China. East China Normal University; República de China
dc.description.fil
Fil: Pratolongo, Paula Daniela. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Bahía Blanca. Instituto Argentino de Oceanografía. Universidad Nacional del Sur. Instituto Argentino de Oceanografía; Argentina
dc.description.fil
Fil: Duy, Yongfen. Nanjing Normal University; República de China
dc.description.fil
Fil: Li, Jiasheng. Nanjing Normal University; República de China
dc.description.fil
Fil: Yang, S.L.. East China Normal University; República de China
dc.description.fil
Fil: Wu, Jihua. Fudan Universit. Institute of Biodiversity Science; República de China
dc.description.fil
Fil: Xu, Kehui. State University of Louisiana; Estados Unidos
dc.description.fil
Fil: Wang, Ya Ping. East China Normal University; República de China
dc.journal.title
Journal of Geophysical Research: Biogeosciences
dc.rights.embargoDate
2020-07-31
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://agupubs.onlinelibrary.wiley.com/doi/full/10.1029/2019JG005345
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/https://doi.org/10.1029/2019JG005345
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