Natural Water Retention A Chance to link flood prevention with other - - PowerPoint PPT Presentation

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Natural Water Retention A Chance to link flood prevention with other - - PowerPoint PPT Presentation

Natural Water Retention A Chance to link flood prevention with other societal benefits Stroming mission Developing nature and making attractive landscapes, accessible for people Stroming: Method of working Connection of societal aims


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Natural Water Retention

A Chance to link flood prevention with other societal benefits

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Stroming mission

  • Developing nature and making attractive

landscapes, accessible for people

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Stroming: Method of working

  • Connection of societal aims with nature

development

  • pleasant environment,
  • flood protection,
  • water quality/water framework directive
  • recreation
  • Connecting with economical drivers
  • mining of gravel, sand, clay,
  • housing,
  • water and energy production
  • Including intensive participation of stakeholders
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Nature based solutions to decrease floods risks and droughts

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Natural water Retention in low mountain areas

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Restoration Vierlingsbeek

  • Stream Restoration
  • Water retention
  • Implementing

Water Framework Directive

  • Fish migration
  • Remeandering
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Steps towards a new design

  • Study historical development
  • f the stream
  • Define best location and

shape of stream bed

  • Study options for water

storage

  • Define several alternatives
  • Stakeholder Process
  • Define definite plan by local

authorities

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Flood protection, nature development and gravel extraction along the Meuse

  • lowering of river banks (ca 5 –

7 m) by extracting gravel

  • extending space for the river
  • increasing hydromorphology
  • different water habitats:

shallow, deep, fast, slow

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Room for the River - Nijmegen Waal

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Voorkeursvariant Flood protection Recreation and city development Nature development

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Thank you for your attention

Stroming

Alphons van Winden, Els Otterman