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    Three most widely used gnss-based shoreline monitoring methods to support integrated coastal zone management policies

    Access Status
    Fulltext not available
    Authors
    Goncalves, R.
    Awange, Joseph
    Date
    2017
    Type
    Journal Article
    
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    Citation
    Goncalves, R. and Awange, J. 2017. Three most widely used gnss-based shoreline monitoring methods to support integrated coastal zone management policies. Journal of Surveying Engineering. 143 (3): Article ID 017003.
    Source Title
    Journal of Surveying Engineering
    DOI
    10.1061/(ASCE)SU.1943-5428.0000219
    ISSN
    0733-9453
    School
    Department of Spatial Sciences
    URI
    http://hdl.handle.net/20.500.11937/53294
    Collection
    • Curtin Research Publications
    Abstract

    Shoreline monitoring is essential for integrated coastal zone management (ICZM). It provides the necessary information needed to manage the settlement of coastal areas, establishes guidelines for management of socioeconomic activities within the coastal areas, provides information necessary for recovery actions of beach regeneration, and provides a reference baseline for studies related to climate change in coastal zones. Shoreline monitoring methods are largely dependent on goals, costs, implementation, and applicability. For monitoring of short coastal shorelines (e.g., tens to hundreds of kilometers), global navigation satellite system (GNSS)-based methods are emerging as low-cost approaches that offer rapid, weather-independent, and quickly updatable products that could benefit policy makers when high costs of traditional methods, such as photogrammetry and remote sensing, are of concern. However, various GNSS methods applicable to shoreline monitoring exist, making it difficult for decision makers to choose a suitable approach. Using a case study of the Pernambuco State ICZM in Brazil, this study evaluates three of the most commonly used GNSS-based shoreline monitoring methods, that is, relative kinematic (RK), real-time kinematic (RTK), and precise point positioning (PPP) methods. It also provides a comprehensive analysis of their strengths and limitations. The results highlight the issues and important considerations in choosing an economically viable GNSS method for mapping shoreline changes, particularly for supporting ICZM policies.

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