Assessing Reservoir Operating Requirements in Changing Hydrological Conditions: A Case Study of Mietków Dam
Stanisław Kostecki 1  
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Wrocław University of Science and Technology, Faculty of Civil Engineering
Online publish date: 2018-08-01
Publish date: 2018-11-20
Submission date: 2017-08-24
Final revision date: 2017-10-30
Acceptance date: 2017-11-21
Pol. J. Environ. Stud. 2019;28(1):177–185
Climate change in recent years has caused considerable intensification of rainfall, and as a consequence an increase in flood waves flow rate. This article presents the verifying method of the dam overtopping risk under conditions of enlarged volumetric flood flow rates inflowing the storage reservoir. Values of the flow rate peaks were determined on the hydrological observations basis. The course of the hypothetical flood wave hydrograph was determined on the normalization and averaging basis of the 6 historical flood wave hydrographs. The flood routing analysis through the reservoir was numerically performed, with the assumptions of Puls’s method, for 6 scenarios with 2 flood flow rates and for 3 initial water levels in the reservoir. On the obtained results basis the dam overtopping hazard level was determined, and the necessity for reservoir water management changes was pointed out.
Stanisław Kostecki   
Dr hab. inż. Stanisław Kostecki, prof. PWr. Politechnika Wrocławska Wydział Budownictwa Lądowego i Wodnego Katedra Geotechniki, Hydrotechniki, Budownictwa Podziemnego i Wodnego 50-370 Wrocław, ul. Wyb. Wyspiańskiego 27 Tel.: +48 71 320 23 40, Fax: +48 71 328 48 14, Politechnika Wrocławska Wydział Budownictwa Lądowego i Wodnego, Katedra Geotechniki Hydrotechniki Budownictwa Podziemnego i Wodnego, Wybrzeże Wyspiańskiego 27, 50-370 Wrocław, Poland