Cambridge prisms. Coastal futures最新文献

{"title":"Coproduction of marine restoration with communities facilitates stronger outcomes.","authors":"Richard K F Unsworth, Leanne C Cullen-Unsworth, Emma Fox, Benjamin L H Jones, Flo Taylor, Sue Burton, Jetske Germing, Ricardo Zanre","doi":"10.1017/cft.2025.10021","DOIUrl":"10.1017/cft.2025.10021","url":null,"abstract":"<p><p>Near-shore marine habitats are well-documented as diverse and productive social-ecological systems; their degradation and loss have led to growing interest in marine restoration. However, the literature offers limited consideration of the interactions between these projects and stakeholders and local communities. We present a case study showing how a stakeholder engagement strategy ultimately led to the co-production of a marine restoration project among scientists, stakeholders and local communities. Alongside biological recovery, we present the complex social, logistical and ecological lessons learned through this stakeholder engagement strategy. Principally, these relate to how the success of the project hinged on the point at which the project was co-developed with the input of local communities and strategic stakeholders, rather than in a disconnected, independent manner. This project demonstrates that for marine restoration to truly be successful, projects need to engage and work with local people from the outset, through open and early stakeholder engagement and particularly with the people possibly impacted by its presence. Projects need to be created not just for ecological design but also to be relevant and beneficial to a wide range of people. What we show here is that co-producing a project with communities and stakeholders can be complex but lead to long-term sustainability and support for the project, with strong ecological outcomes. To achieve this requires an open and flexible approach. Finally, this work showcases how the restoration of marine habitats can be achieved within a social-ecological system and lead to benefits for people and the planet.</p>","PeriodicalId":520999,"journal":{"name":"Cambridge prisms. Coastal futures","volume":"4 ","pages":"e3"},"PeriodicalIF":0.0,"publicationDate":"2025-12-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12895437/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146204708","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Sedimentation fields as a method of saltmarsh restoration: Continuity of human influence on natural processes.","authors":"Jonathan Dale, Michelle Farrell","doi":"10.1017/cft.2025.10020","DOIUrl":"10.1017/cft.2025.10020","url":null,"abstract":"<p><p>Saltmarsh habitat provides important ecosystem services, such as water quality regulation, carbon sequestration and flood defence, but is experiencing losses globally. Historically, this has been caused by land claim, and more recently by rising sea levels. Several methods have been implemented to compensate for saltmarsh habitat loss, including realigning defences, transplanting vegetation, and building structures such as sedimentation fields to enclose areas of mudflat and encourage sediment deposition. It has been suggested that sedimentation fields may offer saltmarsh restoration without the limitations identified in other restoration approaches, such as poor drainage and anoxia caused by changes to the sediment structure due to prior human activity. In this article, we argue that restoration through sedimentation fields should be viewed as a continuation of human activity influencing natural processes, rather than a method that overcomes the influence of prior human activity on saltmarsh ecosystem functioning. This opinion is evidenced by a critical review of the (pre-)historic human activity and saltmarsh restoration attempts at Rumney Great Wharf, Severn Estuary, Wales, where sedimentation fields were constructed between 1989 and 2005 and extended in 2024. We then evaluate the research requirements that need to be addressed to ensure the successful implementation of future schemes, including further understanding of the interactions between physical and biological processes, to enhance ecosystem functioning in sites restored using sedimentation fields.</p>","PeriodicalId":520999,"journal":{"name":"Cambridge prisms. Coastal futures","volume":"4 ","pages":"e1"},"PeriodicalIF":0.0,"publicationDate":"2025-12-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12797178/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145971658","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Total water level driving processes influence the potential for coastal change along United States coastlines.","authors":"Gabrielle P Quadrado, Katherine A Serafin","doi":"10.1017/cft.2025.10018","DOIUrl":"10.1017/cft.2025.10018","url":null,"abstract":"<p><p>Effectively managing coastal impacts requires understanding how hydrodynamic processes interact with beach morphology and alter sandy beaches. Sallenger's Storm Impact Regime classification provides proxies for identifying these interactions by classifying potential coastal changes into impact regimes based on the elevation of total water levels (TWLs), the combination of waves, tides and nontidal residuals, compared to the elevation of beach morphology features. Here, we evaluate spatiotemporal variations in TWL drivers during storm impact regimes across sandy beaches along the continental U.S. coastlines. TWL magnitude and composition vary across impact regimes and regions. Although impacts are identified using consistent definitions, the processes contributing to regimes are location-specific, influencing where and how often impacts occur. Wave runup is the dominant contributor to TWLs in all regimes, but its contribution is gradually offset by increases in the nontidal residual as storm impacts intensify, despite waves becoming more energetic during storms. The Pacific and Atlantic coasts show the highest susceptibility to coastal impacts due to high average TWLs relative to morphological thresholds. Our findings identify regional differences in TWLs with potential for coastal impacts, offering critical insights into how large-scale changes in individual processes may influence local coastal hazards along open sandy coastlines.</p>","PeriodicalId":520999,"journal":{"name":"Cambridge prisms. Coastal futures","volume":"3 ","pages":"e28"},"PeriodicalIF":0.0,"publicationDate":"2025-12-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12780816/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145954941","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Grooves in forereefs act as transport channels to deliver coral rubble during tropical cyclones.","authors":"Ana Vila-Concejo, Lachlan A Perris, Ana Paula da Silva, Kate Whitton, Liav Meoded-Stern, Wan-Yi Steilberg-Liu, Ruby Holmes, Heinrich Breuer, Maria Byrne, Thomas E Fellowes, Tristan Salles, Bradley D Morris, Eleanor Bruce","doi":"10.1017/cft.2025.10019","DOIUrl":"10.1017/cft.2025.10019","url":null,"abstract":"<p><p>The long-term stability of coral reef islands and associated reef top sedimentary landforms requires the delivery of sediment from the forereef, but the rates and pathways of sediment delivery to these systems remain unclear. Spurs and grooves (SAGs) are ubiquitous geomorphic features fringing coral reefs, characterised by shore-normal coral ridges (spurs) separated by channels (grooves) with either bare substrate or a relatively low sediment infill. SAGs dissipate wave energy, facilitate offshore sediment transport and enhance nutrient exchange. Here we present the first evidence that SAG can also act as channels for onshore transport of rubble during high-energy events, contributing to maintaining reef islands and rubble-based ecosystems.</p>","PeriodicalId":520999,"journal":{"name":"Cambridge prisms. Coastal futures","volume":"3 ","pages":"e29"},"PeriodicalIF":0.0,"publicationDate":"2025-12-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12780813/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145954963","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Effects of tropical cyclone Jasper at Low Island, northern Great Barrier Reef.","authors":"Holly Muecke, Scott Smithers, Stephanie Duce, Sarah Hamylton, Emily Lazarus","doi":"10.1017/cft.2025.10017","DOIUrl":"10.1017/cft.2025.10017","url":null,"abstract":"<p><p>Tropical cyclones (TC) can produce waves and water levels that markedly reshape sand cay shorelines. TC Jasper (December 2023) passed near Low Island (Low Isles, Northern Great Barrier Reef [GBF]) as a category 2 storm. Using a combination of remote sensing and ground surveys, we compare detailed, high-resolution digital terrain models created before and after TC Jasper to quantify sediment redistribution around the cay during and after the event. During TC Jasper, net transport of 8,870 m³ occurred to elongate the spits at the eastern and western ends of the cay, but the sediment volume of the cay did not significantly change. Following TC Jasper, the shoreline at Low Island returned to its modal seasonal state within six months. This accords with historical accounts of seasonal shifts in shoreline configuration driven by prevailing wind and wave regimes, as well as the relatively rapid readjustment to a modal form following episodic extreme events. Overall, the documented changes to Low Island following cyclonic events highlight the complex interplay between episodic disturbances and longer-term geomorphic stability, emphasising the importance of ongoing research into these interactions as higher-intensity cyclones increase in frequency due to climate change.</p>","PeriodicalId":520999,"journal":{"name":"Cambridge prisms. Coastal futures","volume":"3 ","pages":"e27"},"PeriodicalIF":0.0,"publicationDate":"2025-11-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12722042/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145829823","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Modelling suspended sediment concentration in coastal Ireland using machine learning.","authors":"Aoife Igoe, Iris Möller, Biswajit Basu","doi":"10.1017/cft.2025.10016","DOIUrl":"10.1017/cft.2025.10016","url":null,"abstract":"<p><p>Coastal environments are highly dynamic, making monitoring of suspended sediment concentration (SSC) both challenging and essential. SSC serves as an indicator of coastal processes, storm impact, water quality and ecosystem service delivery. However, direct measurement of SSC is costly, logistically difficult and spatially limited. Although remote sensing offers a promising alternative by estimating SSC from surface reflectance, it requires calibration and is often constrained by site-specific applicability. This study presents a machine learning framework for national-scale SSC estimation using Landsat-8 and Sentinel-2 imagery, calibrated with 147 in situ SSC samples. Several models were evaluated, with XGBoost yielding the best performance (R² = 0.72, RMSE = 17 mg/L). SHapley Additive exPlanations values were used for model interpretability. Visible and infrared bands, along with geographic features, were identified as key predictors, reflecting the importance of coastal typology in shaping the SSC-reflectance relationship. The model's value was demonstrated through a 10-year spatio-temporal analysis of SSC in Wexford Harbour. Seasonal patterns showed higher estuarine mixing in winter, while high SSC events coincided with rainfall and strong winds, indicating responsiveness to meteorological drivers. These findings highlight the potential of integrating remote sensing and machine learning for scalable, interpretable and cost-effective SSC monitoring.</p>","PeriodicalId":520999,"journal":{"name":"Cambridge prisms. Coastal futures","volume":"3 ","pages":"e26"},"PeriodicalIF":0.0,"publicationDate":"2025-10-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12722047/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145829814","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Extreme storm impact and recovery on a natural beach-foredune system: The June 2016 storm at Bengello Beach, southeastern Australia.","authors":"Thomas Oliver, Michael A Kinsela, Thomas B Doyle, Dylan McLaughlin, Roger F McLean","doi":"10.1017/cft.2025.10015","DOIUrl":"https://doi.org/10.1017/cft.2025.10015","url":null,"abstract":"<p><p>The June 2016 extratropical cyclone with anomalous ENE storm wave direction caused widespread beach-foredune erosion in southeastern Australia. At Bengello Beach, erosion volumes were 97-108 m³/m for the central and southern parts of the beach, while the northern end only lost 18 m³/m of sand. In the central and southern parts of the embayment, a surf zone bar formed 50-100 m further seaward than is typical for this beach and was a temporary store of sand eroded from the beach-foredune. A nearshore wave model showed substantial variability in wave power along the 10 m depth contour and explained the partial sheltering of the northern end of the embayment from storm impact. An embayment-wide time-series of airborne LiDAR further emphasised the alongshore variability in beach-foredune erosion. The wide beach and broad, double-crested, well-vegetated foredune along much of the embayment was pivotal in protecting the shoreline. In the centre and south of the beach, recovery took nearly three years and although complete by volume, the foredune was narrower and less resilient. The results emphasise the role of wide beaches and natural vegetated foredunes in buffering extreme storms and suggest foredune rehabilitation should be a key management priority for sustainable coasts.</p>","PeriodicalId":520999,"journal":{"name":"Cambridge prisms. Coastal futures","volume":"3 ","pages":"e25"},"PeriodicalIF":0.0,"publicationDate":"2025-10-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12645341/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145644820","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Numerical modelling of the 1 July 2022 flooding event, Southwest Huvadhoo Atoll, Maldives: Implications for the future.","authors":"Gerd Masselink, Tim Poate, Timothy Scott, Floortje Roelvink, Robert McCall","doi":"10.1017/cft.2025.10013","DOIUrl":"https://doi.org/10.1017/cft.2025.10013","url":null,"abstract":"<p><p>Low-lying atoll islands are among the world's most vulnerable coastal environments to sea-level rise (SLR). Global application of coastal flooding models suggests that centennial flood events may become annual events by 2050 in tropical regions. This article addresses this claim by modelling an island flooding event that occurred in the Maldives on 1 July 2022 as a result of a distant-swell event coinciding with an extra high spring tide. Hydrodynamic data collected after the event on one of the affected islands were used to calibrate and validate a one-dimensional non-hydrostatic XBeach model. The model overpredicted wave setup and underpredicted the water motion at frequencies <0.05 Hz, but the wave run-up elevation was predicted reasonably well. The 1 July flood event was considered in a decadal context using modelled wave data and measured tide data. It was concluded that the 1 July event represents a c. 1:25-year flooding event, but, due to SLR, such flooding could occur every few years by 2050. This prediction ignores natural or anthropogenic adjustments to the island morphology. The expected increase in frequency of coastal flooding in the Maldives requires atoll and island authorities in the Maldives to act swiftly in adapting to future flood risk.</p>","PeriodicalId":520999,"journal":{"name":"Cambridge prisms. Coastal futures","volume":"3 ","pages":"e23"},"PeriodicalIF":0.0,"publicationDate":"2025-10-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12645334/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145644835","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Digital fabrication of Hybrid Nature-based Solutions as new opportunity for coastal climate change adaptation.","authors":"C Gabriel David, Johanna Kremer, M Ashwini, Harald Kloft, Nils Goseberg","doi":"10.1017/cft.2025.10014","DOIUrl":"https://doi.org/10.1017/cft.2025.10014","url":null,"abstract":"<p><p>Coastal areas face unprecedented challenges from accelerating sea-level rise, increasing urbanisation and biodiversity loss, necessitating sustainable coastal protection strategies that go beyond traditional engineering approaches: While Nature-based Solutions (NbS) offer ecological benefits, their implementation faces constraints in space, timely readiness and standardisation. Hybrid Nature-based Solutions (HNbS) have emerged as promising alternatives, yet current taxonomic classifications remain ambiguous and insufficient to accommodate emerging technologies. This synthetic review analyses the evolution and current role of NbS in coastal climate change adaptation through a comprehensive juxtaposition of design principles and functional mechanisms of engineered and nature-based coastal defences. The review synthesises knowledge from sustainable climate adaptation and digital fabrication literature to establish precise taxonomic classifications for solutions that integrate engineered and nature-based approaches, namely HNbS. The analysis reveals gaps in the existing HNbS taxonomy, particularly regarding structures enabled by digital fabrication technologies. The three identified, distinct categories of HNbS are: (1) Hybrid Nature-based Strategies, combining engineered and natural elements at planning scales; (2) Hybrid Nature-based Modules, integrating both components within individual structures; and (3) Confluent Hybrid Nature-based Solutions, representing an emerging category where engineering and natural systems converge at material or microorganism scales, offering distinctly engineered infrastructures with natural characteristics. While contemporary hybrid approaches are being implemented, Confluent Hybrid Nature-based Solutions under research, may face a critical timing mismatch due to a gap between lengthy innovation timelines and urgent adaptation needs. Dynamic Adaptive Policy Pathways provide a framework for strategically accommodating these emerging innovations, enabling early-stage solutions and performance demonstration under real-world conditions. The new taxonomic framework outlined in this study prevents imprecise terminology and provides a foundation for robust, low-regret coastal adaptation strategies addressing contemporary and future coastal pressures like climate change impacts and biodiversity conservation requirements.</p>","PeriodicalId":520999,"journal":{"name":"Cambridge prisms. Coastal futures","volume":"3 ","pages":"e24"},"PeriodicalIF":0.0,"publicationDate":"2025-10-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12645319/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145644843","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Wave storm dynamics and clustering, and their impacts on beach erosion.","authors":"Salika Thilakarathne, Hesamodin Enayatighadikolaei, Md Shofiqul Islam, Takayuki Suzuki, Martin Mäll, Ralf Weisse","doi":"10.1017/cft.2025.10012","DOIUrl":"10.1017/cft.2025.10012","url":null,"abstract":"<p><p>We analyse a 36-year hydrodynamic and morphological dataset from the Hasaki coast, Japan, comprising 501 wave storm events (405 individual and 96 clustered events) to investigate the impact of storm dynamics and clustering on beach erosion. Focusing on the wave component of storms, events are identified using wave height thresholds. Daily and weekly beach profile measurements from the Hasaki Oceanographic Research Station are used to quantify erosion. The study examines the seasonal influences on Hasaki beach, the characteristics and temporal evolution of storms, and their associated erosional impacts. Moreover, we test two supervised machine learning (ML) algorithms, support vector regression (SVR), and deep neural network (DNN), in predicting shoreline change using 16 wave, storm, and morphological features. SVR showed reasonable accuracy on the training dataset but underperformed on testing, while DNN failed to produce reliable predictions on both. With SVR yielding an R² of 0.18 and DNN 0.27 on the testing dataset, we conclude that, given the limited data and available features, such ML models may not generalise well. However, separate analyses using observed data reveal clear seasonal variations in wave storm dynamics and distinct behaviours of clustered events associated with beach erosion, highlighting important insights beyond the ML results.</p>","PeriodicalId":520999,"journal":{"name":"Cambridge prisms. Coastal futures","volume":"3 ","pages":"e22"},"PeriodicalIF":0.0,"publicationDate":"2025-09-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12573695/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145433609","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}