A practical framework for deriving beach management insights on data- and resource-scarce coasts: A case study of Dollymount Strand, Ireland

IF 5.4 2区环境科学与生态学 Q1 OCEANOGRAPHY

Ocean & Coastal Management Pub Date : 2025-07-18 DOI:10.1016/j.ocecoaman.2025.107859

Abbie Nugent, Iris Möller

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引用次数: 0

Abstract

Effective beach management depends on a fundamental understanding of how beach morphology evolves over seasonal to decadal timescales. Understanding coastal morphological evolution typically relies on extensive spatiotemporal datasets and complex numerical models, requiring significant resources and specialised expertise. On many coasts, data and resources are limited and alternative approaches to gaining coastal management insights are required.

Centred on the practical application of beach state theory we design a methodological framework, based on the two-step model developed by McLachlan et al. (2018), aimed at supporting coastal management on Dollymount Strand, Dublin, Ireland, an area lacking systematic geomorphological assessment and monitoring. The framework is comprised of two key components: (1) the prediction of morphodynamic beach state (via the two-step model), and (2) the validation of this predicted beach state with cross-shore profile surveys.

Results from the two-year pilot application of this framework on Dollymount Strand, Dublin, Ireland, reveal significant insights into seasonal and storm-driven beach state transitions occurring on the upper beach. While sandy beach dynamics are inherently site-specific, the development of a scalable and adaptable framework, rooted in established beach state theory, has the potential to further develop the work of McLachlan et al. (2018) to enhance the usability of beach state theory and the two-step model for coastal management purposes for other sites globally.

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从数据和资源稀缺的海岸获得海滩管理见解的实用框架：爱尔兰Dollymount Strand的案例研究

有效的海滩管理取决于对海滩形态在季节到年代际时间尺度上的演变的基本理解。了解海岸形态演变通常依赖于广泛的时空数据集和复杂的数值模型，需要大量的资源和专业知识。在许多沿海地区，数据和资源是有限的，需要其他方法来获得沿海管理的见解。以海滩状态理论的实际应用为中心，我们基于McLachlan等人（2018）开发的两步模型设计了一个方法框架，旨在支持爱尔兰都柏林Dollymount Strand的海岸管理，这是一个缺乏系统地貌评估和监测的地区。该框架由两个关键部分组成：(1)形态动力学海滩状态的预测（通过两步模型），以及(2)用跨岸剖面调查对预测的海滩状态进行验证。该框架在爱尔兰都柏林的Dollymount Strand进行了为期两年的试点应用，结果揭示了在海滩上游发生的季节性和风暴驱动的海滩状态转变的重要见解。虽然沙滩动力学本质上是特定地点的，但基于既定海滩状态理论的可扩展和适应性框架的发展，有可能进一步发展McLachlan等人（2018）的工作，以提高海滩状态理论和两步模型的可用性，用于全球其他地点的海岸管理目的。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Ocean & Coastal Management 环境科学-海洋学

CiteScore

8.50

自引率

15.20%

发文量

321

审稿时长

60 days

期刊介绍： Ocean & Coastal Management is the leading international journal dedicated to the study of all aspects of ocean and coastal management from the global to local levels. We publish rigorously peer-reviewed manuscripts from all disciplines, and inter-/trans-disciplinary and co-designed research, but all submissions must make clear the relevance to management and/or governance issues relevant to the sustainable development and conservation of oceans and coasts. Comparative studies (from sub-national to trans-national cases, and other management / policy arenas) are encouraged, as are studies that critically assess current management practices and governance approaches. Submissions involving robust analysis, development of theory, and improvement of management practice are especially welcome.