Effects of wave forces on sediment transport patterns in micro-tidal estuaries

Zhaozi Zhang; Bingchen Liang; Zhenlu Wang; Luming Shi; B. W. Borsje

doi:10.1063/5.0187839

Effects of wave forces on sediment transport patterns in micro-tidal estuaries

Zhaozi Zhang, Bingchen Liang, Zhenlu Wang^*, Luming Shi, B. W. Borsje

^*Corresponding author for this work

Water systems

Research output: Contribution to journal › Article › Academic › peer-review

6 Citations (Scopus)

125 Downloads (Pure)

Abstract

Estuarinesediment transport isdrivenbythecombinedactionof amultitudeof influencing factors, includingastronomical tides,waves dynamics, andriverdischarges.This study focusesontheeffectsofwave forcesonsediment transportpatterns inmicro-tidal estuaries nearWanbaoBeach,China.Numerical simulationsarecarriedoutusingDelft3D.Modelingscenariosareconfiguredusingdifferentwave characteristics, spanning fromtypicalwaves tothosewithareturnperiodof 50years.Results showthatwaveshaveapositiveeffecton landwardsediment transport, resultinga largeractiverangeof sediment.Bycomparing thespatial geomorphicvariationsundervarying waveconditions,wefindthatmodifications insignificantwaveheight (Hs)primarilyimpact thepositionoferosionanddepositionzones, whereasalterations inspectralpeakperiod(Tp)predominantly influence themagnitudeof thesechanges.The finding is furtherdemonstratedbyacomparisonof residual currentsunderdifferentwave intensities.Analysisof sediment transport rates indifferent transects indicates that thesediment transport rateishighestat themouthtransectsandlowestat thealongshoretransects.Moreover,variations in sediment transport rates exhibitdistinctivepatternsbetweenthe twooutlet transects, evenwhensubjectedto identicalwaveconditions. Thedisparitiesareattributedtodifferences inrunoffandthetopographical features inproximitytotheestuaries.Additionally,wefindthe sediment transportratebecomes insensitivetothevariations inHswhenHs is largerthanathresholdvalue.Thethresholddecreaseswith increasingTp.

Original language	English
Article number	027122
Number of pages	16
Journal	Physics of fluids
Volume	36
Issue number	2
DOIs	https://doi.org/10.1063/5.0187839
Publication status	Published - 9 Feb 2024

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10.1063/5.0187839

ArticleFinal published version, 5.05 MBLicence: Taverne

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title = "Effects of wave forces on sediment transport patterns in micro-tidal estuaries",

abstract = "Estuarinesediment transport isdrivenbythecombinedactionof amultitudeof influencing factors, includingastronomical tides,waves dynamics, andriverdischarges.This study focusesontheeffectsofwave forcesonsediment transportpatterns inmicro-tidal estuaries nearWanbaoBeach,China.Numerical simulationsarecarriedoutusingDelft3D.Modelingscenariosareconfiguredusingdifferentwave characteristics, spanning fromtypicalwaves tothosewithareturnperiodof 50years.Results showthatwaveshaveapositiveeffecton landwardsediment transport, resultinga largeractiverangeof sediment.Bycomparing thespatial geomorphicvariationsundervarying waveconditions,wefindthatmodifications insignificantwaveheight (Hs)primarilyimpact thepositionoferosionanddepositionzones, whereasalterations inspectralpeakperiod(Tp)predominantly influence themagnitudeof thesechanges.The finding is furtherdemonstratedbyacomparisonof residual currentsunderdifferentwave intensities.Analysisof sediment transport rates indifferent transects indicates that thesediment transport rateishighestat themouthtransectsandlowestat thealongshoretransects.Moreover,variations in sediment transport rates exhibitdistinctivepatternsbetweenthe twooutlet transects, evenwhensubjectedto identicalwaveconditions. Thedisparitiesareattributedtodifferences inrunoffandthetopographical features inproximitytotheestuaries.Additionally,wefindthe sediment transportratebecomes insensitivetothevariations inHswhenHs is largerthanathresholdvalue.Thethresholddecreaseswith increasingTp.",

keywords = "2024 OA procedure",

author = "Zhaozi Zhang and Bingchen Liang and Zhenlu Wang and Luming Shi and Borsje, \{B. W.\}",

year = "2024",

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doi = "10.1063/5.0187839",

language = "English",

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issn = "1070-6631",

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T1 - Effects of wave forces on sediment transport patterns in micro-tidal estuaries

AU - Zhang, Zhaozi

AU - Liang, Bingchen

AU - Wang, Zhenlu

AU - Shi, Luming

AU - Borsje, B. W.

PY - 2024/2/9

Y1 - 2024/2/9

N2 - Estuarinesediment transport isdrivenbythecombinedactionof amultitudeof influencing factors, includingastronomical tides,waves dynamics, andriverdischarges.This study focusesontheeffectsofwave forcesonsediment transportpatterns inmicro-tidal estuaries nearWanbaoBeach,China.Numerical simulationsarecarriedoutusingDelft3D.Modelingscenariosareconfiguredusingdifferentwave characteristics, spanning fromtypicalwaves tothosewithareturnperiodof 50years.Results showthatwaveshaveapositiveeffecton landwardsediment transport, resultinga largeractiverangeof sediment.Bycomparing thespatial geomorphicvariationsundervarying waveconditions,wefindthatmodifications insignificantwaveheight (Hs)primarilyimpact thepositionoferosionanddepositionzones, whereasalterations inspectralpeakperiod(Tp)predominantly influence themagnitudeof thesechanges.The finding is furtherdemonstratedbyacomparisonof residual currentsunderdifferentwave intensities.Analysisof sediment transport rates indifferent transects indicates that thesediment transport rateishighestat themouthtransectsandlowestat thealongshoretransects.Moreover,variations in sediment transport rates exhibitdistinctivepatternsbetweenthe twooutlet transects, evenwhensubjectedto identicalwaveconditions. Thedisparitiesareattributedtodifferences inrunoffandthetopographical features inproximitytotheestuaries.Additionally,wefindthe sediment transportratebecomes insensitivetothevariations inHswhenHs is largerthanathresholdvalue.Thethresholddecreaseswith increasingTp.

AB - Estuarinesediment transport isdrivenbythecombinedactionof amultitudeof influencing factors, includingastronomical tides,waves dynamics, andriverdischarges.This study focusesontheeffectsofwave forcesonsediment transportpatterns inmicro-tidal estuaries nearWanbaoBeach,China.Numerical simulationsarecarriedoutusingDelft3D.Modelingscenariosareconfiguredusingdifferentwave characteristics, spanning fromtypicalwaves tothosewithareturnperiodof 50years.Results showthatwaveshaveapositiveeffecton landwardsediment transport, resultinga largeractiverangeof sediment.Bycomparing thespatial geomorphicvariationsundervarying waveconditions,wefindthatmodifications insignificantwaveheight (Hs)primarilyimpact thepositionoferosionanddepositionzones, whereasalterations inspectralpeakperiod(Tp)predominantly influence themagnitudeof thesechanges.The finding is furtherdemonstratedbyacomparisonof residual currentsunderdifferentwave intensities.Analysisof sediment transport rates indifferent transects indicates that thesediment transport rateishighestat themouthtransectsandlowestat thealongshoretransects.Moreover,variations in sediment transport rates exhibitdistinctivepatternsbetweenthe twooutlet transects, evenwhensubjectedto identicalwaveconditions. Thedisparitiesareattributedtodifferences inrunoffandthetopographical features inproximitytotheestuaries.Additionally,wefindthe sediment transportratebecomes insensitivetothevariations inHswhenHs is largerthanathresholdvalue.Thethresholddecreaseswith increasingTp.

KW - 2024 OA procedure

U2 - 10.1063/5.0187839

DO - 10.1063/5.0187839

M3 - Article

SN - 1070-6631

VL - 36

JO - Physics of fluids

JF - Physics of fluids

IS - 2

M1 - 027122

ER -

Effects of wave forces on sediment transport patterns in micro-tidal estuaries

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