Journal article 1235 views
Why are aggregates destroyed in low intensity fire?
Emilia Urbanek 
Plant and Soil, Volume: 362, Issue: 1-2, Pages: 33 - 36
Swansea University Author:
Emilia Urbanek
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DOI (Published version): 10.1007/s11104-012-1470-6
Abstract
Soil structure is very often severely destroyed during high intensity burning, while low intensity prescribed burning is regarded to have a low or neutral effect on soil aggregation. In this issue of Plant and Soil , (Albalesmeh et al. 2012 ) report a novel mechanism of aggregate disruption during l...
| Published in: | Plant and Soil |
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| Published: |
2012
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| URI: | https://cronfa.swan.ac.uk/Record/cronfa16445 |
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| Abstract: |
Soil structure is very often severely destroyed during high intensity burning, while low intensity prescribed burning is regarded to have a low or neutral effect on soil aggregation. In this issue of Plant and Soil , (Albalesmeh et al. 2012 ) report a novel mechanism of aggregate disruption during low intensity burning that may explain some contradictory results reported in previous studies. Albalesmeh et al. ( 2012 ) suggest that during rapid heating of moist soil aggregates, intra-aggregate water is vaporized and the increased pressure causes rupture of the internal bonds and leads to aggregate breakdown. This mechanism can be compared to the aggregate breakdown due to slaking, when dry aggregates are suddenly wetted or submerged in water. Identification of the reasons for the aggregate disruption at low temperatures is important for choosing optimal soil and weather conditions for prescribed fires. |
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| Keywords: |
soil structure, fire |
| College: |
Faculty of Science and Engineering |
| Issue: |
1-2 |
| Start Page: |
33 |
| End Page: |
36 |