Coastal Processes Overview

Principles

Definition

Coastal processes is a multidisciplinary research field concerned with the dynamic interactions between marine, terrestrial, and atmospheric systems that shape coastal environments. It investigates the physical, chemical, and biological forces driving phenomena such as wave action, tidal flows, sediment transport, and sea-level change, and their impacts on coastal morphology, ecosystems, and the sustainability of human communities inhabiting these zones.

Ontological type

Core Processes

Climate Change Effects

Sediment Dynamics

Key developments

Key Figures

Foundational Morphodynamics era

Douglas L. Inman [1] was a leading figure in the field, with associations at University of California, San Diego [3] and University of California, Berkeley [4]. Inman's [1] 1970 paper Longshore sand transport on beaches [7] established quantitative measures of longshore transport and sediment budgets, anchoring the concept of littoral drift within predictive morphodynamic frameworks that guided shoreline prediction. Paul D. Komar [2] was a prominent figure, with ties to Oregon State University [5] and the University of St Andrews [6]. Komar [2] contributed to the synthesis of coastal morphodynamics, with notable work surrounding Longshore sand transport on beaches [7], helping to operationalize sediment budgets and shoreline prediction.

Process-Based Synthesis era

Kenneth Pye [1], affiliated with the University of Cambridge [2] and the University of Copenhagen [3] during the Process-Based Synthesis era (1990-2009), emerged as a leading figure in standardized coastal data synthesis. Pye [1] contributed the GRADISTAT [4] package, a grain size distribution and statistics toolkit for the analysis of unconsolidated sediments, enabling standardized sediment characterization and cross-study comparability. GRADISTAT [4] provided a replicable workflow that underpinned model-data integration for wave-dominated shoreface and deltaic systems, aligning with the era's move toward quantitative synthesis. The enduring influence of Pye [1] through affiliations at Cambridge [2] and Copenhagen [3] helped establish the evidence base for cross-regional coastal analyses.

Nonlinear Resilience Synthesis era

Baylor Fox‐Kemper [1] is associated with the University of Colorado Boulder [3] and the University of Cambridge [4] in the Nonlinear Resilience Synthesis era (2010–2024). His key contributions in this era include advancing the physical oceanography of the transport of floating marine debris [7], providing a ground for understanding coastal boundary dynamics and informing resilience-oriented forecasting. Britta Denise Hardesty [2] is affiliated with Johns Hopkins University [5] and North Carolina State University [6] during this era. Her key contributions in this era center on the physical oceanography of the transport of floating marine debris [7], highlighting debris pathways and transport processes that inform resilience-focused coastal planning and policy.