Print Email Facebook Twitter Fieldwork coastal engineering Title Fieldwork coastal engineering: Artificial islands Asparuhovo, Bulgaria Author Cats, G. Disselkoen, M. Galema, A. De Greef, J. Habets, C. Van Loon, P. Olij, D. Oujamaa, I. Rijsburger, S. Stuij, S. Treffers, J. Tuinhof, T. Veraart, S. Versteegt, G. Vos, G.J. Vrolijk, E. Chernaev, H. Nikolova, S. Moinova, D. Karakolev, P. Faculty Civil Engineering and Geosciences Department Hydraulic Engineering Date 2012-12-01 Abstract Sirius Beach and Azalea Beach are beaches situated north of Varna in Bulgaria. The beaches have names of hotels situated at the beach. The hotel owners describe large scale erosion at the beaches over the years. Throughout the years groups of students from Delft have measured the waterline (by GPS) and the cross sections. The beaches are strongly influenced by the waves, because there is insignificant tidal motion. This wave domination is variable over the seasons (winter versus summer). For Azalea Beach only the waterlines were measured and the waterline was comparable to 2010. So, the erosion mentioned in 2010 is not monitored anymore. The waterline of Sirius beach shows erosion patterns in the north which has stabilized over the years. And the accretion in the south (mentioned in 2010 and 2011) has stopped. The cross section measurements show the same trends as the waterline measurements. Though it is hard to draw conclusions from the data. The seasonal variablility and the lacking accuracy of the measurements are the biggest problems. What is more, at Sirius Beach the test measurements of the wave pressure meter took place. This meter is used for the first time in de Bulgaria fieldwork series. The test close to the water line show breaking of waves, which is obvious in the coastal zone. At the end, the meter would be used in the water in front of Asparuhovo Beach. Asparuhovo Beach is a beach South of the city centre of Varna. It is a populair place in the summer as it is close to the city. At the Asparhovo Beach the interest goes to the development of the beach and the possible erosion. The measurements for this beach include the waterline measurements with GPS, the cross section measerements and the wave measurements. Except for the lateral measurement, the measurements of this year have been compared to the measurements of the previous two years. From these comparisons the conlusion can be drawn that the North side of the Asparuhovo Beach is hardly changed in the last three years. The South side of the beach does show significant change in the bathymetry and the waterline. Due to the large change in the waterline it is unclear if these changes are due to season variabiblity. In the coming years it would be recommended to take extra measurements in this area. Subject FieldworkVarnaAsparuhovoBulgaria To reference this document use: http://resolver.tudelft.nl/uuid:7032767d-9e82-4b87-8e76-3224732001c6 Publisher TU Delft, Department Hydraulic Engineering Access restriction Campus only Source Fieldwork report Part of collection Student theses Document type student report Rights (c) TU Delft, Department Hydraulic Engineering Files PDF Report_Fieldwork_2012.pdf 28.56 MB Close viewer /islandora/object/uuid:7032767d-9e82-4b87-8e76-3224732001c6/datastream/OBJ/view