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Title: Influence of moisture and inorganic contents on smouldering spread rates in the lateral and in-depth directions
Authors: Christensen, Eirik G
Fernandez-Anez, Nieves
Rein1, Guillermo
Keywords: Smouldering;Spread rate;Peat
Issue Date: 2018
Publisher: Imprensa da Universidade de Coimbra
Abstract: Peat, an organic soil resulting from the accumulation of dead organic matter, is a material that can sustain smouldering fires. Annually, peat fires contribute significantly to wildfire emissions, releasing large quantities of stored organic carbon contributing to positive climate feedback and can be blow into nearby cities causing significant adverse health effects (Hinwood & Rodriguez 2005). This paper, for the first time systematically studies the influence of moisture and inorganic content, two key soil properties, on the horizontal and indepth spread rate simultaneously. A negative linear relationship was found between spread rate and increasing moisture and inorganic contents. While moisture content apeared to increase the indepth spread rate, decreaseing the inorganic content reduces the spread rate, both tendencies are consistent with the results found in literature. These finding greatly improves the understanding of the influence of soil properties on smouldering spread in thin layers.
ISBN: 978-989-26-16-506 (PDF)
DOI: 10.14195/978-989-26-16-506_159
Rights: open access
Appears in Collections:Advances in forest fire research 2018

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