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Hydrotheek

Record nummer 2249413
Titel On the migration and characteristics of near shore sandbars
toon extra info.
Arno Jacob Timmer
Auteur(s) Timmer, Arno Jacob
Uitgever [Netherlands] : [publisher not identified]
Jaar van uitgave 2017
Pagina's 1 online resource (PDF, X, 41 pages) illustrations
Annotatie(s) Student report, Wageningen University, Geo Information Sciences and Remote Sensing  toon alle annotatie(s)
Thesis report: GIRS-2017-32
Msc Thesis MSc Thesis Forest and Nature Conservation Policy - Forest and Nature Conservation Policy - Wageningen University
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Publicatie type Studentenverslag
Taal Engels
Toelichting (Engels) A cross section of a coastal profile is a descending slope, often with upward deviations. The upward deviations are near shore sandbars and they majorly influence the energy and angle of waves that reach the shore. The dynamics of these sandbars have been studied intensely. The way they are studied changes with technology. Because of the increase in both temporal and spatial extent of the data, GIS offers an opportunity to study the sandbars over a large amount of time and a large spatial extent. This thesis proposes a method to identify sandbars along the Dutch North Sea coast, and calculates the volume, shape and movement within coastal areas and coastal regions. Sandbars are detected based on the direction of their slope, the aspect. The volume is calculated by summing the volume above the lowest point in the sandbar. Sandbar shape is quantified by calculating the basin elongation. The movement within a coastal area is calculated by using the average location of a sandbar in grid cells. All sandbar characteristics are compared among coastal areas and coastal regions.
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