Can terra rossa become water repellent by burning? A laboratory approach

Mataix-Solera, Jorge; Arcenegui, Victoria; Guerrero, C.; Jordán, M. M.; Dlapa, Pavel; Tessler, Naama; Wittenberg, Lea

doi:10.1016/j.geoderma.2008.08.013

Cited by 45 publications

(25 citation statements)

References 55 publications

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“…Fire-induced WR, however, involves the volatilizing of hydrophobic organic compounds in the litter and topsoil; some of these compounds move through the soil and condense onto cooler soil grains, producing a hydrophobic repellent layer . Under field conditions, WR, which is point-measured, markedly varies according to fire temperature (DeBano, 2000), soil grain size distribution (Mataix-Solera and Doerr, 2004), organic matter content and clay mineralogy (Mataix-Solera et al, 2008), soil moisture and vegetation type (Arcenegui et al, 2007;Doerr and Shakesby, 2009). Nonetheless, despite these related studies, relatively little is known about the explicit factors controlling the formation and intensity of post-fire soil WR ).…”

Section: Soil Water Repellency (Wr)mentioning

confidence: 99%

“…In fact, one cannot relate elevated WR levels solely to the effects of fire (Stoof et al, 2010), as it is likely to vary greatly between vegetation and soil types (Shakesby, 2011). For example, Rendzina, a common soil in the Mediterranean area of Israel shows very low susceptibility to WR, both when burnt or unburnt (Mataix-Solera et al, 2008). Given the complex relations between field condition, fire characteristics and the development of WR, fire-induced WR typically appears in the soil as an episodic patchy layer of variable thickness (Mataix-Solera and Doerr, 2004;Doerr and Shakesby, 2009).…”

Section: Soil Water Repellency (Wr)mentioning

confidence: 99%

“…WR is a point-measured feature of soils and varies according to wide array of variables including fire temperature, soil particle size fraction Mataix-Solera et al, 2013), organic matter content, organic matter/clay ratios and clay mineralogy (Mataix-Solera et al, 2008), soil moisture and pre-fire vegetation type (Arcenegui et al, 2007).…”

Section: Role Of Water Repellencymentioning

confidence: 99%

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Effects of controlled fire on hydrology and erosion under simulated rainfall

Keesstra

Maroulis

Argaman

et al. 2014

CIG

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ABSTRACT. Mediterranean forests are frequently subject to wildfires, inducing risks of high runoff and loss of nutrient-rich topsoil. The mechanisms influencing investigamos los efectos post-incendio de un fuego de laboratorio y dos experimentos sucesivos de lluvia simulada para evaluar las consecuencias a corto plazo de un incendio sobre los parámetros hidrológicos y la erodibilidad del suelo, examinando (i) los niveles de repelencia al agua y su distribución, (ii) los rasgos de la cubierta superficial, y (iii) las respuestas de la infiltración, la escorrentía y la erosión frente a la lluvia simulada en una situación no perturbada (con suelo desnudo y cubierto de acículas) y quemada (con y sin cenizas). La repelencia al fuego

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Section: Soil Water Repellency (Wr)mentioning

confidence: 99%

Section: Soil Water Repellency (Wr)mentioning

confidence: 99%

Section: Role Of Water Repellencymentioning

confidence: 99%

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Effects of controlled fire on hydrology and erosion under simulated rainfall

Keesstra

Maroulis

Argaman

et al. 2014

CIG

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“…Particularly coarse-textured soils will be susceptible to soil water repellency development after prolonged dry periods and elevated temperatures (Mataix-Solera et al, 2008) that could occur more often from climate change (Goebel et al, 2011). It is because of their low specific surface, which can easily be covered by hydrophobic substances.…”

Section: Introductionmentioning

confidence: 99%

Spatial patterns of wetting characteristics in grassland sandy soil

Orfánus

Stojkovová

Rajkai

et al. 2016

Journal of Hydrology and Hydromechanics

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Abstract:In grasslands where organic and inorganic resources are alternating at scales of individual plants, the transient character is given to certain wetting properties of soil, which then become highly variable both in space and in time. The objective of presented study was to study wetting pattern within two soil horizons at 5-cm and 10-cm depths respectively and to examine how the wetting patterns relate to hydraulic conductivity determined by Minidisc infiltrometer at suction -2 cm, K (-2 cm) . This characteristics is implicitly independent on antecedent soil water content (SWC) since it relates to steady infiltration phase but can be influenced by present soil water repellency (SWR). Field measurements were performed on July 27-28, 2010 on the grassland experimental site located near the village Sekule in Southwest Slovakia. The water drop penetration time (WDPT), SWC and tension Minidisc infiltration measurements were carried out on the 0.64 m 2 plot in a regular 8 x 8 grid. The results showed that SWR and SWC influence each other and cause correlation between spatial patterns of studied soil wetting characteristics and between characteristics measured at the two soil depths. Further, it was found out, that calculation of K (-2 cm) according to Zhang may cause apparent correlation of K (-2 cm) with antecedent SWC, which is the artificial effect of sorptivity parameter in the equation on steady stage of infiltration process. This pseudocorrelation has disappeared after adopting of Minasny and McBratney (2000) approaches by calculation of K (-2 cm) .

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“…In contrast, the clay and silt associated organic matter did not correlate with hydrophobicity (Franco et al, 1995). They argue that the presence of clay could reduce the effects of water repellent compounds, and other authors have demonstrated that the quantity of organic compounds and the type of clay are important in the development of hydrophobicity (e.g., Lichner et al, 2006, Mataix-Solera et al, 2008.…”

mentioning

confidence: 97%