Coastal Morphodynamic analyses the dynamics and morpho-sedimentary evolution of coastal systems (lagoons, beach-dune systems, barriers, river mouths, continental shelves). The equilibrium conditions of these systems are increasingly altered by natural factors, anthropogenic pressure, and climate change. The main natural factors are wave climate, extreme events such as floods and sea storms, and coastal sedimentary balance, which is mainly related to longshore and river transport. The main anthropogenic factors are the construction of hydraulic structures and of ports and coastal structures. Climate change can also contribute to the increase of sea levels and of the frequency and intensity of extreme weather events. Therefore, for effective planning and management of coastal areas, it is important to fully understand the morphodynamic processes.

From the planning and management of coastal areas’ point of view, modeling (physical, numerical, and composite) plays a key role as it allows to simulate major physical phenomena in the coastal region. Physical models (PM) refer to the use of laboratory models at an appropriate scale (micro, small, medium, and large-scale models) for investigating the relevant process, numerical models (NM) refer to the use of computer codes (commercial, open source, home-made software) and composite models (CM) refer to the integrated and balanced use of physical and numerical models. Also, coastal morphodynamic modeling can be used to predict the short-term (hours to days), the medium-term (weeks to months), and the long-term (years to decades) evolution of coastal systems in terms of shoreline evolution and its response to coastal structures, such as groins, jetties, detached breakwaters, seawalls, beach fills, and soft interventions.

This Research Topic aims to analyse innovations in coastal morphodynamic modeling through research papers and case studies on the following topics:

-Morphodynamic modeling

-Coastal dynamics

-Coastal erosion

-Shoreline changes

-Sediment balance

-Impact of sea storms

-Impact of climate change

-Impact of anthropogenic pressure

- Integration of remote sensing

-Coastal management

- Sustainable mitigation measures

-Application of modeling to support decision-making

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Frontiers in Marine Science

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