Difference between revisions of "Shorten the length of impounded reaches"
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Latest revision as of 14:54, 4 December 2015
Contents
- 1 Shorten the length of impounded reaches
- 1.1 General description
- 1.2 Applicability
- 1.3 Expected effect of measure on (including literature citations):
- 1.4 Temporal and spatial response
- 1.5 Pressures that can be addressed by this measure
- 1.6 Cost-efficiency
- 1.7 Case studies where this measure has been applied
- 1.8 Useful references
- 1.9 Other relevant information
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
