Tidal flats and saltmarshes have been a long-standing research focus because of their high socio-economic and ecological values.The evolution of tidal flat-marsh systems is highly complex due to the intertwined processes operating over a variety of spatial and temporal scales.As a traditional research highlight,the role of regular hydrodynamic processes such as tides,waves,and river flows have been explored comprehensively with fruitful outcomes.Over past decades,the changing environment(e.g.,sea level rise,increasing anthropogenic activities,and extreme weather conditions)has attracted more attention with many reported insightful results.More recent advances indicate that biological activities play a critical role in tidal flat-marsh morphodynamics but are still poorly understood.The field of research that connects the bio-logical and physical processes is commonly described as"biogeomorphology"and requires the joint efforts by scientists from multiple dis-ciplines ranging from hydraulics,ecology,and geography to sociology.This review aims to provide a synthesis of the current research status of tidal flat-marsh morphodynamics,with a particular emphasis on the understanding of various processes and feedbacks underlying the devel-opment of morphodynamic models.Some future research needs and challenges are identified to facilitate a more sustainable management strategy for tidal flats and saltmarshes under climate change.

Zeng Zhou;Meng-jiao Liang;Lei Chen;Meng-piao Xu;Xue Chen;Liang Geng;Huan Li;Daniel Serrano;He-yue Zhang;Zheng Gong;Chang-kuan Zhang

State Key Laboratory of Hydrology-Water Resources and Hydraulic Engineering,Hohai University,Nanjing 210098,China;Jiangsu Key Laboratory of Coast Ocean Resources Development and Environment Security,Hohai University,Nanjing 210098,China;Department of Civil,Environmental and Architectural Engineering,University of Padua,Padua 35122,Italy

水科学与水工程

[1]Zeng Zhou;Meng-jiao Liang;Lei Chen;Meng-piao Xu;Xue Chen;Liang Geng;Huan Li;Daniel Serrano;He-yue Zhang;Zheng Gong;Chang-kuan Zhang-.Processes,feedbacks,and morphodynamic evolution of tidal flat-marsh systems:Progress and challenges)[J].水科学与水工程,2022(02):89-102

saltmarshes,biogeomorphology,ciplines

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