Long-term changes in stream bank soil pipes and the effects of afforestation

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dc.contributor.author Jones, J. A. A.
dc.contributor.author Cottrell, C. I.
dc.date.accessioned 2011-06-30T10:32:45Z
dc.date.available 2011-06-30T10:32:45Z
dc.date.issued 2007-03-21
dc.identifier.citation Jones, J. A. A., Cottrell, C. I. (2007). Long-term changes in stream bank soil pipes and the effects of afforestation. Journal of Geophysical Research-Earth Surface, 112, 1-11. en_UK
dc.identifier.uri http://hdl.handle.net/2160/7114
dc.description.abstract Natural soil pipes are now recognized as potentially significant elements in hillslope drainage systems, sometimes developing into open channel tributaries or contributing often substantial volumes of quick flow to streams. However, there has been no detailed, long-term monitoring study of the evolution of pipe networks to indicate how permanent they are or how readily they may develop into open channels. This paper reports a resurvey of a section of stream bank in the English Peak District and compares it with the original survey 35 years previous. Comparison of the distribution, size, and shape of pipes on both banks of a 250 m stretch of the stream reveals significant changes. There were no cases of roof collapse forming new open channels. However, there has been a significant change in land use within the basin, with afforestation of the east bank. The resurvey shows a marked reduction in the number and size of pipes on the forested bank, but no significant change on the opposite bank that has remained moorland. The number of pipe outlets on the afforested bank halved over the period, and their mean diameter has reduced by 30%. In combination with the reduced number the smaller size resulted in a 71% reduction in the total area of stream bank occupied by pipe outlets on the forested bank. It is postulated that the change is primarily due to a change in the amount of throughflow beneath the forest caused by an increase in evapotranspiration. en_UK
dc.language.iso en en_UK
dc.publisher American Geophysical Union en_UK
dc.relation.isreferencedby http://dx.doi.org/doi:10.1029/2006JF000509 en_UK
dc.title Long-term changes in stream bank soil pipes and the effects of afforestation en_UK
dc.type Text en_UK
dc.type.publicationtype refereed published journal paper en_UK
dc.identifier.duplicate True


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