Coherence and inconsistency of European instruments for integrated river basin management

• Room for the River projects increase the level of flood protection by enlarging theconveyance and reducing hydraulic roughness. As a consequence sediment transportcapacities are reduced as well, causing shoals and a reduced navigation channel. Thelarge number of Room for the River measures and European Framework Directive(WFD) measures, aiming at an increase of the ecological potential (e.g. sidechannels), will result in much dredging, if no structural measures are implemented.The expected amount of dredging will be too large to handle. Therefore research isexecuted to limit the dredging effort by executing mitigating measures. Old principlesof irrigation are given new attention to be applied to side channels and channelsbetween longitudinal dams and the river bank ('bank channels'). A new round ofnormalisation works may be necessary, to limit dredging activities. Boundaryconditions for river managemant are stopping autonomous bed degradation andeconomic sustainability of sets of measures that can cope with the hydromorphologicconsequences of the Room for the River and WFD measures

Ämnesord

NATURVETENSKAP  -- Geovetenskap och miljövetenskap -- Multidisciplinär geovetenskap (hsv//swe)

NATURAL SCIENCES  -- Earth and Related Environmental Sciences -- Geosciences, Multidisciplinary (hsv//eng)

Publikations- och innehållstyp

ref (ämneskategori)

kon (ämneskategori)