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The effects of burn severity on soil properties: Infiltration rate, moisture, grain size distribution and carbon content Hälleskogsbrännan as an example
Stockholm University, Faculty of Science, Department of Physical Geography.
2016 (English)Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
Abstract [en]

This study focuses on soil hydrological parameters that are expected to be related to burn severity in forests; infiltration rate, soil moisture, grain size distribution and carbon content along a burn severity gradient in Västmanland Sweden, where a major fire occurred in 2014. Hälleskogsbrännan was divided into two burn severities: a moderate severity and a high severity, and a control area. Ten soil samples were taken for laboratory analyses at each severity level. Soil moisture and infiltration rate was measured in situ. Infiltration rates and soil moisture were highest in the most severely affected site, whereas fire effects on soil texture were insignificant. Soil organic carbon content was highest at the low fire severity site, followed by control and high severity fire sites. Inorganic carbon content followed the opposite trend. These results had clear trends but were insignificant, this call for more comprehensive sampling to separate possible confounding site effects.

Place, publisher, year, edition, pages
2016. , 37 p.
Keyword [en]
Hälleskogsbrännan, forest fire, burn severity, infiltration rate, soil moisture, loss on ignition.
National Category
Oceanography, Hydrology, Water Resources
Identifiers
URN: urn:nbn:se:su:diva-135798OAI: oai:DiVA.org:su-135798DiVA: diva2:1049187
Supervisors
Examiners
Available from: 2016-11-24 Created: 2016-11-23 Last updated: 2016-11-24Bibliographically approved

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Department of Physical Geography
Oceanography, Hydrology, Water Resources

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