Potentials and limitations of natural flood retention by forested land in headwater catchments: evidence from experimental and model studies
Identifieur interne : 000766 ( Main/Exploration ); précédent : 000765; suivant : 000767Potentials and limitations of natural flood retention by forested land in headwater catchments: evidence from experimental and model studies
Auteurs : A. Wahren [Allemagne] ; K. Schw Rzel [Allemagne] ; K. Feger [Allemagne]Source :
- Journal of Flood Risk Management [ 1753-318X ] ; 2012-12.
Abstract
Assessment of catchments water retention potential in the landscape is a common part of management plans as components of integrated flood risk management strategies. For forest land use, it has been stated that the promotion of sustainable forest management and the increase of forest land via afforestation will considerably improve flood retention. Notably, the latter should be efficient to re‐establish the natural water retention potential in anthropogenically disturbed river basins and to decrease the human‐made contribution to flood generation. However, due to obvious physical limitations (such as soil depth, porosity, and conductivity) and the frequent lack of available land for forest expansion, the role of afforestation in flood mitigation has been a topic of strong debate. This study assesses the ‘forest effect’ based on model calculations and suggests visualisations to communicate the results. For a catchment (6.8 ha) and two well‐founded land‐use scenarios, it could be shown that the peak reduction for flood events varies from 3% to 70% and is highly related to the event characteristics (especially pre‐event soil moisture). The cross compliance to other protection aims (i.e. water quality and soil protection) is part of the considerations.
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DOI: 10.1111/j.1753-318X.2012.01152.x
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Wahren</name><affiliation wicri:level="1"><country xml:lang="fr">Allemagne</country><wicri:regionArea>Faculty of Forest, Geo and Hydro Sciences, Institute of Soil Science and Site Ecology, Dresden Water Center, Dresden University of Technology, Tharandt</wicri:regionArea><wicri:noRegion>Tharandt</wicri:noRegion><wicri:noRegion>Tharandt</wicri:noRegion></affiliation><affiliation></affiliation><affiliation wicri:level="1"><country wicri:rule="url">Allemagne</country></affiliation></author><author><name sortKey="Schw Rzel, K" sort="Schw Rzel, K" uniqKey="Schw Rzel K" first="K." last="Schw Rzel">K. 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Flood Risk Manage</title><idno type="ISSN">1753-318X</idno><idno type="eISSN">1753-318X</idno><imprint><publisher>Blackwell Publishing Ltd</publisher><date type="published" when="2012-12">2012-12</date><biblScope unit="volume">5</biblScope><biblScope unit="issue">4</biblScope><biblScope unit="page" from="321">321</biblScope><biblScope unit="page" to="335">335</biblScope></imprint><idno type="ISSN">1753-318X</idno></series><idno type="istex">98ECBE1CE879D935168C0F446AFEC8913F2A3B9E</idno><idno type="DOI">10.1111/j.1753-318X.2012.01152.x</idno><idno type="ArticleID">JFR31152</idno></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">1753-318X</idno></seriesStmt></fileDesc><profileDesc><textClass></textClass><langUsage><language ident="en">en</language></langUsage></profileDesc></teiHeader><front><div type="abstract">Assessment of catchments water retention potential in the landscape is a common part of management plans as components of integrated flood risk management strategies. For forest land use, it has been stated that the promotion of sustainable forest management and the increase of forest land via afforestation will considerably improve flood retention. Notably, the latter should be efficient to re‐establish the natural water retention potential in anthropogenically disturbed river basins and to decrease the human‐made contribution to flood generation. However, due to obvious physical limitations (such as soil depth, porosity, and conductivity) and the frequent lack of available land for forest expansion, the role of afforestation in flood mitigation has been a topic of strong debate. This study assesses the ‘forest effect’ based on model calculations and suggests visualisations to communicate the results. For a catchment (6.8 ha) and two well‐founded land‐use scenarios, it could be shown that the peak reduction for flood events varies from 3% to 70% and is highly related to the event characteristics (especially pre‐event soil moisture). The cross compliance to other protection aims (i.e. water quality and soil protection) is part of the considerations.</div></front></TEI><affiliations><list><country><li>Allemagne</li></country></list><tree><country name="Allemagne"><noRegion><name sortKey="Wahren, A" sort="Wahren, A" uniqKey="Wahren A" first="A." last="Wahren">A. Wahren</name></noRegion><name sortKey="Feger, K" sort="Feger, K" uniqKey="Feger K" first="K." last="Feger">K. Feger</name><name sortKey="Schw Rzel, K" sort="Schw Rzel, K" uniqKey="Schw Rzel K" first="K." last="Schw Rzel">K. Schw Rzel</name><name sortKey="Wahren, A" sort="Wahren, A" uniqKey="Wahren A" first="A." last="Wahren">A. Wahren</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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