<abstract xmlns="http://www.w3.org/1999/xhtml">

<p>Wildfires burn vegetation and leave the resultant organic and inorganic ash into the soil surface. Depending on the temperatures and burn durations, the quantity and type of ash can vary widely. Ash mobilization following wildfire is a topic of major concern, since it may result in contamination of surface water bodies within and downstream of the burnt areas.</p>
<p>The present study aims to analyse the influence of black and white ash on surface runoff, leachate and total erosion and erosion of organic matter by running a field experiment along 6 weeks, using three replicate lysimeters with control soil, soil with addition of black ash and soil with addition of white ash. There was some suggestion but no statistical evidence that black ash reduced overland flow generation during the initial rainfall events, while black ash was found to increase sediment and organic matter losses by overland flow in a statistically significant manner. This was not during the initial rainfall events and, therefore, not directly related to the presence of a homogenous cover of a well-defined ash layer on the soil surface.</p>
</abstract>

Wildfires burn vegetation and leave the resultant organic and inorganic ash into the soil surface. Depending on the temperatures and burn durations, the quantity and type of ash can vary widely. Ash mobilization following wildfire is a topic of major concern, since it may result in contamination of surface water bodies within and downstream of the burnt areas.
The present study aims to analyse the influence of black and white ash on surface runoff, leachate and total erosion and erosion of organic matter by running a field experiment along 6 weeks, using three replicate lysimeters with control soil, soil with addition of black ash and soil with addition of white ash. There was some suggestion but no statistical evidence that black ash reduced overland flow generation during the initial rainfall events, while black ash was found to increase sediment and organic matter losses by overland flow in a statistically significant manner. This was not during the initial rainfall events and, therefore, not directly related to the presence of a homogenous cover of a well-defined ash layer on the soil surface.

An exploratory study into ash mobilization using lysimeters

Journal of Hydrology and Hydromechanics

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

{"article-title":"An exploratory study into ash mobilization using lysimeters"}

Wildfires burn vegetation and leave the resultant organic and inorganic ash into the soil surface. Depending on the temperatures and burn durations, the...

An exploratory study into ash mobilization using lysimeters

Publié en ligne: 16 nov. 2022

Pages: 432 - 441

Reçu: 03 oct. 2022

Accepté: 25 oct. 2022

DOI: https://doi.org/10.2478/johh-2022-0035

Mots clés
Wildfire, Ash, Runoff, Leachate, Erosion

© 2022 Leandro M. Godoy et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

An exploratory study into ash mobilization using lysimeters

Publié en ligne: 16 nov. 2022

Pages: 432 - 441

Reçu: 03 oct. 2022

Accepté: 25 oct. 2022

DOI: https://doi.org/10.2478/johh-2022-0035

Mots clésWildfire, Ash, Runoff, Leachate, Erosion

© 2022 Leandro M. Godoy et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Mots clés
Wildfire, Ash, Runoff, Leachate, Erosion