Difference between revisions of "Micro-hydro Power (MHP) Projects - Mitigation and Intervention Techniques - Gully Control"
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− | = | + | *<span class="reference-text">DESTA, L. ET AL. (2005): Part 1: Community Based Participatory Watershed Development: A Guideline. Addis Ababa: Ministry of Agriculture and Rural Development.</span> |
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Revision as of 15:59, 19 January 2015
Overview
► Back to the overview "Mitigation and Intervention Techniques Related to Micro-hydro Power (MHP) Projects"
Gully Control
Stone Checkdams
Objectives: A stone checkdam is a structure across the bottom of a gully or a small stream, which reduces the velocity of runoff and prevents the deepening and widening of the gully. Sediments accumulated behind a checkdam could be planted with crops or trees/shrubs grass and thus provide additional income to the farmer. |
Brushwood Checkdams
Objectives: Brushwood checkdams are vegetative measures constructed with vegetative materials, branches, poles/posts and twigs. Plant species which can easily grow vegetatively through shoot cuttings are ideal for this purpose. The objective of BWs is to retain sediments and slowdown runoff, and enhance the revegetation of gully areas. They are constructed either in single or double row. Some of the vegetation can be used for fodder. BWs are also ideal to stabilize conservation structures bunds, SS bunds, check dams, bench terraces, road sides, etc. |
Gully Reshaping, Filling and Revegetation
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Sediment Storage and Overflow Earth Dams (SS Dams) for Productive Gully Control
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Sediment Storage and Overflow Soil Bunds (SS Bunds)
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Further Information
References
- DESTA, L. ET AL. (2005): Part 1: Community Based Participatory Watershed Development: A Guideline. Addis Ababa: Ministry of Agriculture and Rural Development.