Effects of fire-induced water repellency on soil aggregate stability, splash erosion, and saturated hydraulic conductivity for different size fractions

Forest fires can alter several soil properties influencing soil erosion and runoff processes in addition to removing all or part of the vegetative cover. These include organic matter content, aggregate stability and water repellency. Soil erodibility and saturated hydraulic conductivity depend on th...

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Bibliographic Details
Published in:Hydrological processes 2007-08, Vol.21 (17), p.2377-2384
Main Authors: Fox, D. M., Darboux, F., Carrega, P.
Format: Article
Language:English
Subjects:
aggregate stability
Earth Sciences
forest fire
saturated hydraulic conductivity
Sciences of the Universe
soil erosion
water repellency
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Summary:Forest fires can alter several soil properties influencing soil erosion and runoff processes in addition to removing all or part of the vegetative cover. These include organic matter content, aggregate stability and water repellency. Soil erodibility and saturated hydraulic conductivity depend on these properties and their response varies according to aggregate size. The objective of the study was to investigate how forest fires affect key soil properties and determine the potential impact of these on runoff and erosion processes. The A horizon of an acidic sandy loam was collected and subjected to a pine litter fire. The burned and control soil samples were separated into 4 size fractions: bulk (
ISSN:0885-6087
1099-1085
DOI:10.1002/hyp.6758