the isar river - freedom from its concrete corset · the isar river - freedom from its concrete...
TRANSCRIPT
State Office for Water ManagementMunich
The Isar river - Freedom from its concrete corsetby
Nivedita MahidaState Office for Water Management Munich
Bavarian State Ministry for Environment and Health
RESTORE- Integrating River Restoration Into Spatial Planning: Delivering Multiple Benefits
Arnhem, NetherlandsMarch 8 -9, 2012
State Office for Water ManagementMunich
The River Isar in Munich
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State Office for Water ManagementMunich
Themes for this Workshop
• Integrated land and (river) water management• Spatial planning process• Multiple benefits in both urban and rural settings• Inter-governmental co-operation• Stakeholder and public involvement
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State Office for Water ManagementMunich
Catchment area 9000 km²
Length 270 km
Medium Low Discharge 40 m³/s
Medium discharge 90 m³/s
Medium high discharge 420 m³/s
High discharge (100 a) 1.100 m³/s
Isar River Sections
1 Upper Isar (alpine Character)
2 Isar in Munich (urban character)
3 Middle Isar (alluvial forest)
4 Lower Isar
5 Danube
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State Office for Water ManagementMunich
The Main Goals of the Isar Restoration
• Flood Protection• Ecological Restoration• Recreation & Leisure
The baselinereferencesituation
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State Office for Water ManagementMunich
Two spatial zones of the Isar-Plan: Urban and Semi-urbanHere: The Urban Inner City River Character
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State Office for Water ManagementMunich
Two spatial zones of the Isar-Plan: Urban and Semi-urbanHere: The Sub-Urban River Character
•Optimising land-use
•Focus on biodiversity and rare species
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State Office for Water ManagementMunich
Stakeholder Involvement
• Interesting interplay between state, city planners, Ngo‘sand public groups
• Prior to 1990 Isar restoration planning was isolated• Spatial planning competition for landscape architects was
carried out• Mediation firm engaged to identify the optimal solution
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State Office for Water ManagementMunich
Special spatial planning mechanisms
• Dyke security without affecting trees• Hydrosaat methods for planting saplings• Modelling by TU Munich in real-life models• Zoning for public use and recreation• Info-system for the public on completion
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State Office for Water ManagementMunich
Dyke/ Bank Protection
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State Office for Water ManagementMunich
AfterBeforeGround Sills on the River Bottom
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State Office for Water ManagementMunich
Before
After
Sloping concrete river banks
Flatter stony river banks
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State Office for Water ManagementMunich
Monotonous River Landscape Before
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State Office for Water ManagementMunich
Diversified Bank Structures- After
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State Office for Water ManagementMunich
Before-A concrete
channelisedcorsett
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State Office for Water ManagementMunich
After- morevariety and
diversity
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State Office for Water ManagementMunich
Recreation and Leisure at the Isar
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State Office for Water ManagementMunich
Thank You !
Website: http://www.wwa-m.bayern.de/index.htm
Contact:[email protected]