Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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Record number 406764
Title Fire effects on soil and hydrology
Author(s) Stoof, C.R.
Source University. Promotor(en): Coen Ritsema; A.J.D. Ferreira. - S.l. : s.n. - ISBN 9789085859154 - 182
Department(s) Land Degradation and Development
SS - Soil Physics and Land Use
PE&RC
Publication type Dissertation, internally prepared
Publication year 2011
Keyword(s) brandgevolgen - branden - bodem - hydrologie - grondverwarming - as - fysische bodemeigenschappen - bodemwaterretentie - bodemtemperatuur - landdegradatie - erosie - fire effects - fires - soil - hydrology - soil heating - ash - soil physical properties - soil water retention - soil temperature - land degradation - erosion
Categories Land degradation & Land conservation / Soil Physics / Hydrology
Abstract

Fire can significantly increase a landscape’s vulnerability to flooding and erosion events. By removing vegetation, changing soil properties and inducing soil water repellency, fire can increase the risk and erosivity of overland flow. Mitigation of land degradation and flooding events after fire can help safeguard natural resources and prevent further economical and ecological havoc, but can benefit from an improved understanding of its drivers.
The aim of this thesis is to improve the understanding of the effects of fire on soil and hydrology. Laboratory and field studies focus on the relation between fire, soil, vegetation and hydrology as well as the effects of scale, in order to find the drivers of post-fire flooding and erosion events. The effect of soil heating on soil physical properties is evaluated, and the above- and belowground drivers of soil heating are investigated. Furthermore, the results of a unique field experiment are presented in which the Portuguese Valtorto catchment was burned by experimental fire. The effects of fire on soil and surface properties is assessed, as well as the changes in the temporal evolution of soil water repellency, Finally, the hydrological implications are discussed. The thesis concludes with recommendations for mitigation of fire-induced land degradation; focusing on guidelines for prescribed burns, that are used to prevent fire, and on reducing runoff and erosion in burned lands where fire prevention was unsuccessful.

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