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Wizualizacja trójwymiarowa w badaniach strefy brzegowej na przykładzie obliczeń objętości materiału erodowanego i akumulowanego na brzegu morskim

Łęcka A., Furmańczyk K.

Roczniki Geomatyki

2005

T. 3, z. 4

127-136

In the paper applications for DTM use are presented. The authors treat the 3D model as a good tool for coastal zone studies. They used DTM for connection of two kinds of data: historical aerial photographs and current topographic maps. The first data are very accurate and, what is most important, have historical character. The second data are current, but within the coastal zone they are not so accurate to be useful in coastal zone studies. The authors tried to elaborate the .model. of procedure to size up the volume changes in coastal zone. They assumed some simplifications, which allowed to make measurements of the quantity of eroded or accumulated sandy materials. The measurements were made in four 1 km long test sections: two concerned accumulation and two erosion of sandy materials. The way of proceeding proposed by the authorsmay be useful for preparing the material balance in the coastal zone, for better recognition of quantitative changes and for studies of migration ways.