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River of Life Otakaro Avon River Park Potential
Di Lucas, Landscape Architect
14 August 2011
Source: Lucas Associates
River of Life Otakaro Avon River Park Potential Di Lucas, Landscape - - PowerPoint PPT Presentation
River of Life Otakaro Avon River Park Potential Di Lucas, Landscape - - PowerPoint PPT Presentation
River of Life Otakaro Avon River Park Potential Di Lucas, Landscape Architect 14 August 2011 Source : Lucas Associates Dry Plains Wet Plains Coastal Port Hills Source : Lucas Associates 1995 Christchurch Ecosystems Source: Lucas Associates
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Source: Lucas Associates 1995
Coastal Port Hills Dry Plains Wet Plains
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Christchurch Ecosystems
Source: Lucas Associates
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Wet Plains:
Marshland Dallington Avonside Avondale Linwood Phillipstown Opawa Woolston Bexley
Coastal Plains:
Parklands Burwood Shirley Waimairi Beach North New Brighton New Brighton South New Brighton Wainoni Aranui Bromley Southshore Ferrymead
Source: Lucas Associates
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Source: Lucas Associates
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Kahikatea
Underlayers: Clay & sand alternating on silt over greywacke river stones (2- 100mm rounded) with some peat.
Totara
Underlayers: Alternating silt, sand & clay on greywacke river stones (2- 100mm rounded).
Pukio
Underlayers: Alternating peat with logs & clay/sand. This overlies clay/sand & beach-worn greywacke stones (discoid) & shell beds.
Wet Plains Soils
Source: Lucas Associates
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Akeake
Underlayers: Sand on silt/clay on peat on sand
- n beach-worn greywacke
stones (2-100mm discoid)
- n sand with
some shells.
Pingao
Underlayers: Sand on beach-worn greywacke stones (2-100mm discoid)
- n clay on shells on sand.
Oioi
Underlayers: Alternating silt & clay with shells. No greywacke stones but some small pieces of wood.
Coastal Plains Soils
Source: Lucas Associates
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Diagrammatic cross-sections through ‘natural’ vegetation of these coastal ecosystems
Source: Lucas Associates
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The Avon-Heathcote Estuary in the 1800s
Source: The Estuary Where Our Rivers Meet the Sea Christchurch’s Avon-Heathcote Estuary & Brooklands Lagoon, p.11, Google Earth
The Avon-Heathcote Estuary Now
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Shorelines in the last 9,000 years
Source: The Estuary Where Our Rivers Meet the Sea Christchurch’s Avon-Heathcote Estuary & Brooklands Lagoon, p. 4
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Source: Lucas Associates
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Source: The Natural History of Canterbury, p.863
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Flood Management Areas
Christrchurch City Council
Adopted January 2011
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Horseshoe Lake off Moncrieff Place
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Avon River
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Source: Lucas Associates
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Halswell River levees ripped after the February earthquake
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Source: TV3 News, NZ Raw
Fitzgerald Avenue-Avon River
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Central City Waterways as at 1850 & in 2000
Source: Christchurch City Council 1999
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Source: Lucas Associates
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D R A F T L I D A R o f t h e A v o n R i v e r & C e n t r a l C i t y U s e w i t h c a r e
March 2011
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F l o o d M a n a g e m e n t A r e a i n C i t y P l a n January 30, 2011 Avon River Blue-Greenway Pedestrian Corridor & Cycleway Potential
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DRAFT LIDAR, use with care
- verlain with Flood Management
Areas
March 2011
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‘It’s not our intention that it [red zone] will become a park’
- Gerry Brownlee
Nelson Mail June 25, 2011
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Adopted January 31, 2011 by Christchurch City Council
Flood Management Areas overlain (green) with ‘red zone’ designated areas (red)
F l o o d M a n a g e m e n t A r e a s
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G O N D W A N A
Ginkgo fossil
Liriodendron ancestor
Canterbury Fossils eg Malvern Hills, Clent Hills, Clarence Valley
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Avon River corridor
Art work Art work Allotments Cycleway Promenade
Source: Lucas Associates
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Source: Christchurch City Council
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www.lucas-associates.co.nz