Case study:Austria cross-border section - River widening Sicheldorf (ETZ-Project “DraMurCi” 2009-2013)

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Location: 46° 41' 21.77" N, 15° 56' 59.21" E

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Project overview

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Status	Complete
Project web site	http://www.dramurci.eu/page/
Themes	Environmental flows and water resources, Habitat and biodiversity, Hydromorphology
Country	Austria, Slovenia
Main contact forename	Jörg
Main contact surname	Raderbauer
Main contact user ID	User:9984
Contact organisation	freiland Environmental Consulting Civil Engineers Ltd.
Contact organisation web site	http://www.freiland.at
Partner organisations	Office of the Styrian Government - Department 14 Watermanagement, resources and sustainability
Parent multi-site project
This is a parent project encompassing the following projects	No

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Project summary

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The measure serves the purpose of ecological and hydrological improvement of the river Mur over a length of about 1400 m by dismantling the left bank. In order to promote the erosion of the left bank, initial erosion scars (bays, excavation of approximately 15,000 cubic meters) were created and four temporary islands were built from pouring the existing excavated material into the Mur River. The removal of bank protection and the therewith connected erosion will establish breaklines and a natural shoreline. Eroding banks and gravel bars will form new habitats for typical animal and plant species in and at the water.

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Image gallery

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River widening Sicheldorf - Aerial view 2012 (ETZ-Project “DraMurCi” 2009-2013) ©Styrian Government

River widening Sicheldorf - Widening 2013 (ETZ-Project “DraMurCi” 2009-2013) ©freiland

Catchment and subcatchment Select a catchment/subcatchment Site Edit site Name WFD water body codes WFD (national) typology WFD water body name Pre-project morphology Reference morphology Desired post project morphology Heavily modified water body National/international site designation Local/regional site designations Protected species present Invasive species present Species of interest Dominant hydrology Dominant substrate River corridor land use Average bankfull channel width category Average bankfull channel width (m) Average bankfull channel depth category Average bankfull channel depth (m) Mean discharge category Mean annual discharge (m3/s) Average channel gradient category Average channel gradient Average unit stream power (W/m2) Project background Edit project background Reach length directly affected (m) 14001,400 m <br />1.4 km <br />140,000 cm <br /> Project started 2009/01/01 Works started Works completed Project completed 2013/12/31 Total cost category Total cost (k€) Benefit to cost ratio Funding sources Cost for project phases Phase cost category cost exact (k€) Lead organisation Contact forename Contact surname Investigation and design Stakeholder engagement and communication Works and works supervision Post-project management and maintenance Monitoring Reasons for river restoration Edit reasons for restoration Mitigation of a pressure Hydromorphology Biology Physico-chemical Other reasons for the project Measures Edit Measures Structural measures Bank/bed modifications Construction gravel bays, Creation of islands, Removal of bank reinforcements Floodplain / River corridor Planform / Channel pattern Other Non-structural measures Management interventions Social measures (incl. engagement) Other Monitoring Hydromorphological quality elements Edit Hydromorphological quality elements Element When monitored Type of monitoring Control site used Result Before measures After measures Qualitative Quantitative Biological quality elements Edit biological quality elements Element When monitored Type of monitoring Control site used Result Before measures After measures Qualitative Quantitative Physico-chemical quality elements Edit Physico-chemical quality elements Element When monitored Type of monitoring Control site used Result Before measures After measures Qualitative Quantitative Any other monitoring, e.g. social, economic Edit Other responses Element When monitored Type of monitoring Control site used Result Before measures After measures Qualitative Quantitative Monitoring documents Upload monitoring documents Additional documents and videos Upload additional documents Additional links and references Edit links and references Link Description Supplementary Information Edit Supplementary Information