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Beach Profile Change at St. Clair Beach: A Study of Coastal Dynamics
Document information
Author | M. J. Dyer |
School | University of Canterbury |
Major | Geography |
Year of publication | 1994 |
Place | Dunedin |
Document type | thesis |
Language | English |
Number of pages | 243 |
Format | |
Size | 13.50 MB |
- Beach Profile Change
- Coastal Geography
- Environmental Analysis
Summary
I. Introduction
The study of Beach Profile Change at St. Clair Beach provides critical insights into coastal dynamics. The introduction outlines the significance of understanding beach profiles, which are influenced by various environmental factors. The research emphasizes the need for comprehensive analysis to predict changes in coastal landscapes. The theoretical framework establishes a foundation for the study, integrating concepts from geography and coastal engineering. The introduction also highlights the importance of local geology and hydrodynamic processes in shaping beach profiles. Notably, the document states, 'Understanding the dynamics of beach profiles is essential for effective coastal management.' This underscores the practical applications of the research in real-world scenarios, such as erosion control and habitat preservation.
II. Study Area and Methodology
The second section delves into the study area, focusing on St. Clair Beach and its geological features. The local geology is characterized by diverse sediment types, which play a crucial role in beach morphology. The methodology employed in the research includes field measurements and data collection over various seasons. The document notes, 'The Otago Continental Shelf presents unique challenges for sediment transport analysis.' This statement reflects the complexity of coastal dynamics in the region. The section also discusses the hydraulic processes affecting sediment movement, emphasizing the interplay between natural forces and human activities. The findings from this section are vital for understanding the morphodynamics of the beach and informing future coastal management strategies.
III. Wind and Wave Environment
The influence of wind and wave patterns on beach profiles is explored in this section. The wind environment is analyzed, revealing its impact on sediment transport and beach erosion. The document highlights that 'Local winds significantly affect the nearshore environment,' indicating the importance of wind patterns in coastal dynamics. Additionally, the wave environment is examined, with a focus on swell direction and wave heights. The research provides valuable data on seasonal variations in wave activity, which are crucial for predicting beach profile changes. The findings underscore the necessity of incorporating wind and wave data into coastal management practices to mitigate erosion and enhance beach resilience.
IV. Beach Profile Changes
This section presents a detailed analysis of beach profile changes observed at St. Clair Beach. The research identifies key factors contributing to profile alterations, including sediment supply, wave action, and human interventions. The document states, 'Profile variations are indicative of broader environmental changes,' highlighting the interconnectedness of coastal processes. The analysis includes specific case studies of profile changes over time, providing empirical evidence of the dynamic nature of the beach. The findings are significant for coastal planners and environmentalists, as they offer insights into the morphological responses of beaches to natural and anthropogenic influences. Understanding these changes is essential for developing effective coastal management strategies.
V. Conclusions and Implications
The concluding section synthesizes the research findings and discusses their implications for coastal management. The document emphasizes the need for ongoing monitoring of beach profiles to inform adaptive management strategies. It states, 'Effective coastal management requires a comprehensive understanding of beach dynamics.' This assertion reinforces the practical applications of the research in addressing coastal erosion and habitat preservation. The conclusions drawn from the study highlight the importance of integrating scientific research with policy-making to enhance coastal resilience. The findings serve as a valuable resource for stakeholders involved in coastal management, providing a framework for future research and action.
Document reference
- Beach Profile Change at St. Clair Beach (M. J. Dyer)
- Dean (1973) Equation
- N. Z. Met. Service Chalmers Swell Forecasts
- Tomahawk Wave Observations
- Beach Profile