Case study:Control and permeabilization of the marsh to the river, the Brazo de la Torre and Entremuros

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Project overview

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Status Complete
Project web site
Themes
Country Spain
Main contact forename
Main contact surname
Main contact user ID
Contact organisation MARM
Contact organisation web site
Partner organisations
This is a parent project
encompassing the following
projects 		No
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Project summary

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Monitoring surveys and results

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Lessons learnt

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Catchment and subcatchment

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(affects all case studies in this subcatchment)

Catchment

River basin district C.H.Guadalquivir
River basin Guadalquivir

Subcatchment

River name Guadalquivir
Area category
Area (km2)
Maximum altitude category Less than 100 m
Maximum altitude (m) 50 m0.05 km <br />5,000 cm <br />
Dominant geology
Ecoregion Ibero-Macaronesian
Dominant land cover Extensive agriculture
Waterbody ID



Other case studies in this subcatchment: Guadiamar Green Corridor Project, Recovery "CañoTravieso", Recovery of the functionality of Brazo de la Torre, Restoration of streams Chico Soto, Soto Grande and Arroyo de la Laguna de los Reyes, Restoration of the stream of the Partido


Site

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Name Brazo de la Torre y Entremuros
WFD water body codes
WFD (national) typology
WFD water body name
Pre-project morphology Tidal
Reference morphology Tidal
Desired post project morphology
Heavily modified water body
National/international site designation
Local/regional site designations Area of Special Conservation Interest
Protected species present
Invasive species present
Species of interest
Dominant hydrology Tidal
Dominant substrate Sand, Clay, Silt
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

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Reach length directly affected (m) 14600 m14.6 km <br />1,460,000 cm <br />
Project started 1998/04/01
Works started
Works completed 1998/05/01
Project completed
Total cost category
Total cost (k€)
Benefit to cost ratio
Funding sources MARM

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 C.H.Guadalquivir
Post-project management and maintenance C.H.Guadalquivir
Monitoring



Reasons for river restoration

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Mitigation of a pressure Pollution incident, Flood defence
Hydromorphology
Biology
Physico-chemical
Other reasons for the project


Measures

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Structural measures
Bank/bed modifications Construction of a defensive wall to prevent river pollution, After decontamination, removal of the defensive wall
Floodplain / River corridor
Planform / Channel pattern
Other
Non-structural measures
Management interventions
Social measures (incl. engagement)
Other


Monitoring

Hydromorphological quality elements

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quality elements
Element When monitored Type of monitoring Control site used Result
Before measures After measures Qualitative Quantitative

Biological quality elements

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quality elements
Element When monitored Type of monitoring Control site used Result
Before measures After measures Qualitative Quantitative

Physico-chemical quality elements

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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

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Element When monitored Type of monitoring Control site used Result
Before measures After measures Qualitative Quantitative


Monitoring documents

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Additional links and references

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Link Description

Supplementary Information

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