A hydrogeological approach of the old Drava riverbeds’ rehabilitation
Keywords:
Drava, Ormánság, water management, hydrogeology, geophysicsAbstract
In the past decades the water management of the Ormánság used to be based on the drainage of surface waters instead of retaining them in the catchment area. However, the present aim of the new water regulation concept of Ormánság is the rehabilitation of the water management by transforming the straightened streams and drainage canals into the old, meandering, natural beds and in the meantime by increasing the surface water levels. These bed pathways could be completely new or they might remain in the already existing old Drava river beds. The aim of our research consists of a hydrogeological approach of existing old riverbeds by soil analysis and by geophysical soundings, to determine the thickness and the hydraulic permeability of the sediments. With the help of this information we can conclude whether in the three pilot research sites the thickness and permeability of the river bed sediments would allow the renewal of permanent surface flow systems if artificial alimentary streams will feed them.
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Copyright (c) 2014 Pollermann Dominika, Anda Angéla, Müller Imre
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