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The use of the tidal water level and GPS: in establishing a high-resolution digital elevation model of a sandy beach
Procee, S. (2006). The use of the tidal water level and GPS: in establishing a high-resolution digital elevation model of a sandy beach, in: Evolutions in hydrography, 6th - 9th November 2006, Provincial House Antwerp, Belgium: Proceedings of the 15th International Congress of the International Federation of Hydrographic Societies. Special Publication (Hydrographic Society), 55: pp. 117-120
In: (2006). Evolutions in hydrography, 6th - 9th November 2006, Provincial House Antwerp, Belgium: Proceedings of the 15th International Congress of the International Federation of Hydrographic Societies. Special Publication (Hydrographic Society), 55. International Federation of Hydrographic Society: London. 234 + cd-rom pp., more
In: Special Publication (Hydrographic Society). Hydrographic Society: London. ISSN 0309-8303, more
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Document type: Conference paper
Keywords
    Levels > Water levels
    Models > Mathematical models > Tidal models
    Motion > Tidal motion > Tides
    Positioning systems
    Surveying > Hydrographic surveying
    Topographic features > Landforms > Coastal landforms > Beaches
    Topographic features > Landforms > Coasts
    Marine/Coastal
Author  Top 
  • Procee, S.
Abstract
    In this study a stand-alone GPS receiver is used to establish the position of the shoreline at various tidal heights. Tidal heights are monitored simultaneously at 4 tidal stations. A tidal model is derived from these observations providing tidal height as function of time and position. The tidal model is coupled to the position of the shoreline resulting in a number of height contours. From these contours a digital elevation model is built. This model can be used to study the morphology of a sandy beach over a period of time, or it can be used for nautical Charting, i.e. establishing the drying contourline at the level of Chart Datum, and the coastline at the the level of mean High Water. For positioning a low cost hand-held GPS receiver is used in combination with a portable PC for data-storage. The proposed method can be carried out by a single person traversing the area by bike. This approach boosts cost-effectiveness and has little impact on the environment.
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