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Hydrotheek

Record nummer 1903310
Titel artikel The Regge River: from canalized to meandering
Bron Proceedings of the international conference on fluvial hydraulics, Cesme, Izmir, Turkey, September 3-5, 2008
Auteur(s) Groot, S. ; Graaff, B. de ; Oosterhoff, C. ; Medenblik, J.
Deel(Jaar)Nummer (2008)
Paginering 1983 - 1990
Annotatie(s) 9 refs; figs; tab
Online full text
Trefwoorden (cab) waterbeheer / rivieren / ontwerp / rivierregulering / rivierafvoer / hydrologie van stroomgebieden / effecten / modellen / ruimtelijke ordening / nederland / waterstand / overijssel
Rubrieken Waterbeheer (algemeen)
Publicatie type Hoofdstuk uit boek
Taal Engels
Toelichting (Engels) The Water Board Regge and Dinkel and DLG would like the Regge, a canalized river, to be a naturally meandering river once again. Designing a natural river in the Netherlands, where a strong coherence between spatial planning and water systems exists, is a demanding process. Nature development receives high priority, but, for example, an increase of flooding of inhabited areas is unacceptable. Based on empirical formulas for meandering river characteristics, a design for the meandering Regge has been made. Hydraulic consequences of the design are calculated with a Sobek Rural 1D2D model. Consequences on groundwater levels are determined by means of a groundwater model in MODFLOW. The effects of the change in surface and groundwater levels in urbanized areas and on agriculture, nature and water retention are scored in a multi criteria analysis. There are two serious drawbacks associated with the natural river. Flood water levels in the meandering river increase significantly, which results in the flooding of inhabited areas. In dry periods, surface water levels decrease because present weirs are removed, causing groundwater levels to decrease and thereby reducing conditions for wetlands in the river valley. This paper provides suggestions on how to solve these drawbacks
Betrokken instanties HKV Lijn in Water
Dienst Landelijk Gebied (DLG)
Waterschap Regge en Dinkel
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