Difference between revisions of "Shorten the length of impounded reaches"

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=Shorten the length of impounded reaches=
 
=Shorten the length of impounded reaches=
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Category  03. Flow dynamics improvement
  
Shorten the length of impounded reaches03. Flow dynamics improvement
 
 
==General description ==
 
==General description ==
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An impouded reach generally develops upstream of a transverse barrier (e.g. weir, dams) with numerous effects for the system. For a list of effects following this pressure please compare: http://wiki.reformrivers.eu/index.php/Impoundment). For a general description of effects due to artificial barriers please compare: http://wiki.reformrivers.eu/index.php/Artificial_barriers_downstream_from_the_site).
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The length of impounded reaches can be shortened by the removal of obstacles (e.g. dam removal). Therefore, we suggest to refer to the measure “Remove barrier” (http://wiki.reformrivers.eu/index.php/Remove_barrier).
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Another positive effect is the establishment of longitudinal connectivity.
  
 
==Applicability ==
 
==Applicability ==
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We suggest to refer to the measure “Remove barrier” (http://wiki.reformrivers.eu/index.php/Remove_barrier).
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==Expected effect of measure on (including literature citations): ==
 
==Expected effect of measure on (including literature citations): ==
*HYMO (general and specified per HYMO element)  
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We suggest to refer to the measure “Remove barrier” (http://wiki.reformrivers.eu/index.php/Remove_barrier).
*physico � chemical parameters
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*Biota (general and specified per Biological quality elements)
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==Temporal and spatial response  ==
 
==Temporal and spatial response  ==
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Not Available
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==Pressures that can be addressed by this measure ==
 
==Pressures that can be addressed by this measure ==
 
<Forecasterlink type="getPressuresForMeasures" code="M23" />
 
<Forecasterlink type="getPressuresForMeasures" code="M23" />
 
==Cost-efficiency ==
 
==Cost-efficiency ==
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Not available.
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==Case studies where this measure has been applied ==
 
==Case studies where this measure has been applied ==
 
<Forecasterlink type="getProjectsForMeasures" code="M23" />
 
<Forecasterlink type="getProjectsForMeasures" code="M23" />
 
==Useful references ==
 
==Useful references ==
 
==Other relevant information ==
 
==Other relevant information ==
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The National Park Service - Time Lapse of the removal of Elwha Dam, Washington State: https://www.youtube.com/watch?v=bUZE7kgXKJc
  
 
[[Category:Measures]][[Category:03. Flow dynamics improvement]]
 
[[Category:Measures]][[Category:03. Flow dynamics improvement]]

Latest revision as of 14:54, 4 December 2015

Shorten the length of impounded reaches

Category 03. Flow dynamics improvement

General description

An impouded reach generally develops upstream of a transverse barrier (e.g. weir, dams) with numerous effects for the system. For a list of effects following this pressure please compare: http://wiki.reformrivers.eu/index.php/Impoundment). For a general description of effects due to artificial barriers please compare: http://wiki.reformrivers.eu/index.php/Artificial_barriers_downstream_from_the_site). The length of impounded reaches can be shortened by the removal of obstacles (e.g. dam removal). Therefore, we suggest to refer to the measure “Remove barrier” (http://wiki.reformrivers.eu/index.php/Remove_barrier).

Another positive effect is the establishment of longitudinal connectivity.

Applicability

We suggest to refer to the measure “Remove barrier” (http://wiki.reformrivers.eu/index.php/Remove_barrier).

Expected effect of measure on (including literature citations):

We suggest to refer to the measure “Remove barrier” (http://wiki.reformrivers.eu/index.php/Remove_barrier).

Temporal and spatial response

Not Available

Pressures that can be addressed by this measure

Cost-efficiency

Not available.

Case studies where this measure has been applied

Useful references

Other relevant information

The National Park Service - Time Lapse of the removal of Elwha Dam, Washington State: https://www.youtube.com/watch?v=bUZE7kgXKJc