Case study:Albany Park - Revision history

Ascarr at 09:40, 28 July 2022

2022-07-28T09:40:23Z

← Older revision		Revision as of 09:40, 28 July 2022
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	{{Monitoring documents end}}		{{Monitoring documents end}}
	{{Additional Documents}}		{{Additional Documents}}
			{{Case study documents
			\|File name=1._Albany_Park_River_Restoration_Project_Summary.pdf
			\|Description=picture summary
			}}
	{{Additional Documents end}}		{{Additional Documents end}}
	{{Additional links and references header}}		{{Additional links and references header}}

Ascarr at 16:57, 27 July 2022

2022-07-27T16:57:59Z

← Older revision		Revision as of 16:57, 27 July 2022
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	\|Hydromorphological quality elements=Channel pattern/planform,		\|Hydromorphological quality elements=Channel pattern/planform,
	\|Biological quality elements=Fish, Invertebrates, Macrophytes,		\|Biological quality elements=Fish, Invertebrates, Macrophytes,
			\|Physico-chemical quality elements=Nutrient concentrations,
			\|Other motivation=improving a local park
	}}		}}
	{{Measures		{{Measures

Ascarr at 16:57, 27 July 2022

2022-07-27T16:57:01Z

← Older revision		Revision as of 16:57, 27 July 2022
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	}}		}}
	{{Motivations		{{Motivations
			\|Specific mitigation=Urbanisation,
	\|Hydromorphological quality elements=Channel pattern/planform,		\|Hydromorphological quality elements=Channel pattern/planform,
			\|Biological quality elements=Fish, Invertebrates, Macrophytes,
	}}		}}
	{{Measures		{{Measures

Ascarr at 16:39, 27 July 2022

2022-07-27T16:39:54Z

← Older revision		Revision as of 16:39, 27 July 2022
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	{{Image gallery}}		{{Image gallery}}
	{{Case study image		{{Case study image
	\|File name=P03 Albany drone during construction		\|File name=P03 Albany drone during construction.jpg
	\|Caption=Drone Photograph during early phase of construction		\|Caption=Drone Photograph during early phase of construction
	}}		}}
	{{Case study image		{{Case study image
	\|File name=Albany downstream river breakthrough (looking upstream).JPG		\|File name=P04 Albany downstream river breakthrough (looking upstream).JPG
			\|Caption=Breaking back into Turkey Brook at the downstream end, looking upstream.
	}}		}}
	{{Case study image		{{Case study image
	\|File name=Pre-Restoration.jpeg		\|File name=Pre-Restoration.jpeg
			\|Caption=The confined concrete channel pre-restoration.
	}}		}}
	{{Case study image		{{Case study image
	\|File name=During construction.jpeg		\|File name=During construction.jpeg
			\|Caption=During construction. Note the extremely gravelly ground through which the channel was created.
	}}		}}
	{{Case study image		{{Case study image

Ascarr at 16:37, 27 July 2022

2022-07-27T16:37:18Z

← Older revision		Revision as of 16:37, 27 July 2022
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	{{Image gallery}}		{{Image gallery}}
	{{Case study image		{{Case study image
	\|File name=Albany drone during construction		\|File name=P03 Albany drone during construction
	\|Caption=Drone Photograph during early phase of construction		\|Caption=Drone Photograph during early phase of construction
	}}		}}

Ascarr at 16:36, 27 July 2022

2022-07-27T16:36:26Z

← Older revision		Revision as of 16:36, 27 July 2022
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	}}		}}
	{{Case study image		{{Case study image
	\|File name=During construction		\|File name=During construction.jpeg
	}}		}}
	{{Case study image		{{Case study image
	\|File name=Post restoration		\|File name=Post restoration.jpeg
	}}		}}
	{{Image gallery end}}		{{Image gallery end}}

Ascarr at 16:35, 27 July 2022

2022-07-27T16:35:57Z

← Older revision		Revision as of 16:35, 27 July 2022
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	}}		}}
	{{Case study image		{{Case study image
	\|File name=Pre-Restoration		\|File name=Pre-Restoration.jpeg
	}}		}}
	{{Case study image		{{Case study image

Ascarr: Reverted edits by Ascarr (talk) to last revision by Alexrrc

2022-07-27T16:35:15Z

Reverted edits by Ascarr (talk) to last revision by Alexrrc

← Older revision		Revision as of 16:35, 27 July 2022
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	{{Case study status}}		{{Case study status
	{{Location}}		\|Approval status=Approved
	{{Project overview}}		}}
			{{Location
			\|Location=51.6682925025019, -0.03331565864322039
			}}
			{{Project overview
			\|Status=Complete
			\|Themes=Environmental flows and water resources, Fisheries, Flood risk management, Habitat and biodiversity, Hydromorphology, Social benefits, Spatial planning, Urban
			\|Country=England
			\|Main contact forename=Matilda
			\|Main contact surname=Biddulph
			\|Main contact id=mbiddulph
			\|Contact organisation=Environment Agency
			\|Contact organisation url=www.gov.uk/government/organisations/environment-agency
			\|Partner organisations=London Borough of Enfield,
			\|Multi-site=No
			\|Project picture=Albany Park Before and After.png
			\|Picture description=Left: pre-restoration concrete channel Right: post-restoration sinuous, natural channel.
			\|Project summary=A partnership project between London Borough of Enfield (LBE) and the Environment Agency (EA; Biodiversity & Geomorphology team from Hertfordshire and North London Area). Funded by LBE, EA and the Greater London Authority (GLA). The environmental and flood risk benefits allowed for funding, and the project came to approximately £1.5million.

			The Turkey Brook is a medium sized, clay-based catchment flowing initially through rural grassland into a dense urban area of London, before meeting the River Lee in Enfield. It is failing under the Water Framework Directive for: macrophytes and phytobenthos, phosphate, and drought/low flows, and hydromorphology. The river was confined in a steep sided concrete channel along the edge of the park, with very little biodiversity, habitat or connection with groundwater. The general public often did not even know it was there, or if they did they regarded it as an open sewer.

			The Albany Park Restoration Project aimed to restore 400m of the Turkey Brook, by breaking it out of concrete and creating a natural, sinuous river through the park. The river now flows through a wide, shallow river corridor made up primarily of the Kempton Park Gravel Member, which allows the channel to reform and reshape itself during high flows until it reaches an equilibrium. The urban, flashy nature of the catchment means that intensive geomorphological work is achieved during each high flow event.

			The river is now connected laterally with it's floodplain and riparian zone, and vertically with the groundwater and a hyporheic zone. The natural cross section and improved connectivity has improved the Turkey Brook's resilience to low flows, and its ability to store water and attenuate high flows. The constructed wetlands and SuDs features around the park has hopefully also improved water quality, but ongoing monitoring will determine the success of this.

			The river is now a valuable public amenity in an otherwise heavily urban area, and provides an educational resource for local schools.
			\|Monitoring surveys and results=As the project was completed in the Summer of 2021, monitoring is still on going. Invertebrates, macrophytes, fish and water quality will be monitored before and after for a number of years, alongside morph surveys with accompanying drone footages to show the change in channel shape over time.
			\|Lessons learn=The project was severely delayed due to a combination of Covid-19 and wet weather, there were also issues with securing planning permission due to the large number of stakeholders involved.
			}}
	{{Image gallery}}		{{Image gallery}}
	{{Case study image		{{Case study image
	\|File name=~~P03~~ Albany drone during construction~~.jpg~~		\|File name=Albany drone during construction
	\|Caption=Drone Photograph during early phase of construction		\|Caption=Drone Photograph during early phase of construction
	}}		}}
	{{Case study image		{{Case study image
	\|File name=~~P04~~ Albany downstream river breakthrough (~~looking_upstream~~).JPG		\|File name=Albany downstream river breakthrough (looking upstream).JPG
	}}		}}
	{{Case study image		{{Case study image
	\|File name=Pre-Restoration~~.jpeg~~		\|File name=Pre-Restoration
	}}		}}
	{{Case study image		{{Case study image
	\|File name=During construction~~.jpeg~~		\|File name=During construction
	}}		}}
	{{Case study image		{{Case study image
	\|File name=Post restoration~~.jpeg~~		\|File name=Post restoration
	}}		}}
	{{Image gallery end}}		{{Image gallery end}}
	{{Toggle button}}		{{Toggle button}}
	{{Toggle content start}}		{{Toggle content start}}
	{{Case study subcatchment}}		{{Case study subcatchment
	{{Site}}		\|Subcatchment=Cuffley Brook and Turkey Brook
	{{Project background}}		}}
	{{Motivations}}		{{Site
	{{Measures}}		\|WFD water body code=GB106038033180
			\|WFD water body name=Cuffley Brook and Turkey Brook
			\|Heavily modified water body=No
			\|Protected species present=No
			\|Invasive species present=No
			}}
			{{Project background
			\|Reach length directly affected=400
			\|Project started=01/04/2016
			\|Works started=2020/08/01
			\|Works completed=2021/08/01
			\|Total cost category=1000 - 5000 k€
			\|Funding sources=Local council, Greater London Authority, Environment Agency environmental funding and flood risk funding.
			}}
			{{Motivations
			\|Hydromorphological quality elements=Channel pattern/planform,
			}}
			{{Measures
			\|Bank and bed modifications measure=Creation of berms, Creation of backwaters,
			\|Floodplain / River corridor=River naturalisation, Reedbed creation, Scrapes, Fish habitat restoration,
			\|Social measures=Recreation,
			}}
	{{Hydromorphological quality elements header}}		{{Hydromorphological quality elements header}}
	{{End table}}		{{End table}}

Ascarr at 16:34, 27 July 2022

2022-07-27T16:34:19Z

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+{{Case study status}}
-|Approval status=Approved
+{{Location}}
-}}
+{{Project overview}}
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-{{Case study subcatchment
+{{Case study subcatchment}}
-|Subcatchment=Cuffley Brook and Turkey Brook
+{{Site}}
-}}
+{{Project background}}
-{{Site
+{{Motivations}}
-|WFD water body code=GB106038033180
+{{Measures}}
 {{Hydromorphological quality elements header}}
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Ascarr at 16:33, 27 July 2022

2022-07-27T16:33:51Z

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	}}		}}
	{{Case study image		{{Case study image
	\|File name=Pre-Restoration.~~jpg~~		\|File name=Pre-Restoration.jpeg
	}}		}}
	{{Case study image		{{Case study image
	\|File name=During construction.~~jpg~~		\|File name=During construction.jpeg
	}}		}}
	{{Case study image		{{Case study image
	\|File name=Post restoration.~~jpg~~		\|File name=Post restoration.jpeg
	}}		}}
	{{Image gallery end}}		{{Image gallery end}}