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Transformations in morphometry of valley bottom as a result of the creation of a reservoir illustrated with the example of Sulejów Lake

Jaskulski M., Szmidt A.

Landform Analysis

2014

Vol. 27

27--33

The authors have undertaken the development of DEM based on the archived materials from the time when the area of present Sulejów Lake was not an artificial water reservoir. The source materials used were Area Map of Administrative Districts in the scale of 1:25,000 from 1961 and a 1:1,000 documental map attached to the study Sulejowski Reservoir – study of sedimentation and updating of depth. The effect of this work was the creation of a Digital Geomorphological Model of the area that presently does not exist. In the second stage of works a bottom model of Sulejów Lake was made based on data gathered during echo sounding research conducted in 2008 by the Institute of Meteorology and Water Management, which comprises 36 profiles. Both models were then compared with tools available in the ArcGis program by ESRI. The analysis revealed differences resulting from processes that occurred during the construction and 40 years of existence of the reservoir.