The impact of upland land management on flooding: insights from a multiscale experimental and modelling programme

Jackson, B. M.; Wheater, H. S.; McIntyre, N. R.; Chell, J.; Francis, O. J.; Frogbrook, Z.; Marshall, M.; Reynolds, B.; Solloway, I.. 2008 The impact of upland land management on flooding: insights from a multiscale experimental and modelling programme. Journal of Flood Risk Management, 1. 71-80. https://doi.org/10.1111/j.1753-318X.2008.00009.x

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Official URL: http://dx.doi.org/10.1111/j.1753-318X.2008.00009.x

Abstract/Summary

A programme of field experiments at the Pontbren catchment in Wales has, since autumn 2004, been examining the effects of land use change on flooding. The Pontbren catchment possesses a long history of artificial drainage of its clay soils and intensification of sheep farming. Increased flood runoff has been noted within the last decades, as has the mitigating effect of trees at field scale. To examine the local and catchment-scale effects of land management within the catchment, including the potential advantages of planting additional trees, a multidimensional physically based model has been developed and conditioned on data from an intensely instrumented hillslope. The model is used to examine the effects of planting a small strip of trees within a hillslope. Results demonstrate that careful placement of such interventions can reduce magnitudes of flood peaks by 40% at the field scale. The challenges associated with upscaling these results to the Pontbren and Upper Severn catchments are discussed.

Item Type:	Publication - Article
Digital Object Identifier (DOI):	https://doi.org/10.1111/j.1753-318X.2008.00009.x
Programmes:	CEH Programmes pre-2009 publications > Biodiversity
UKCEH and CEH Sections/Science Areas:	Emmett
ISSN:	1753-318X
Additional Keywords:	Agricultural intensification, flood risk, land management, scale problem
NORA Subject Terms:	Agriculture and Soil Science Ecology and Environment
Date made live:	18 Dec 2008 13:23 +0 (UTC)
URI:	https://nora.nerc.ac.uk/id/eprint/3947

Item Type:

Publication - Article

Digital Object Identifier (DOI):

https://doi.org/10.1111/j.1753-318X.2008.00009.x

Programmes:

CEH Programmes pre-2009 publications > Biodiversity

UKCEH and CEH Sections/Science Areas:

Emmett

ISSN:

1753-318X

Additional Keywords:

Agricultural intensification, flood risk, land management, scale problem