Articles | Volume 24, issue 2
https://doi.org/10.5194/acp-24-1119-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/acp-24-1119-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
26 Jan 2024
Research article |
| 26 Jan 2024
| 26 Jan 2024
Atmospheric turbulence observed during a fuel-bed-scale low-intensity surface fire
Joseph Seitz
Department of Geography, Environment and Spatial Sciences, Michigan State University, 673 Auditorium Rd. East Lansing, MI 48824, USA
Department of Geography, Environment and Spatial Sciences, Michigan State University, 673 Auditorium Rd. East Lansing, MI 48824, USA
Joseph J. Charney
USDA Forest Service, Northern Research Station, 2601 Coolidge Rd., Suite 203, East Lansing, MI 48910, USA
Warren E. Heilman
USDA Forest Service, Northern Research Station, 2601 Coolidge Rd., Suite 203, East Lansing, MI 48910, USA
Kenneth L. Clark
USDA Forest Service, Northern Research Station, Silas Little Experimental Forest, 501 Four Mile Road, New Lisbon, NJ 08064, USA
Xindi Bian
USDA Forest Service, Northern Research Station, 2601 Coolidge Rd., Suite 203, East Lansing, MI 48910, USA
Nicholas S. Skowronski
USDA Forest Service, Northern Research Station, 180 Canfield Street, Morgantown, WV 26505, USA
Michael R. Gallagher
USDA Forest Service, Northern Research Station, Silas Little Experimental Forest, 501 Four Mile Road, New Lisbon, NJ 08064, USA
Matthew Patterson
USDA Forest Service, Northern Research Station, 180 Canfield Street, Morgantown, WV 26505, USA
Jason Cole
USDA Forest Service, Northern Research Station, 5 Moon Library, 1 Forestry Dr., Syracuse, NY 13210, USA
Michael T. Kiefer
Department of Geography, Environment and Spatial Sciences, Michigan State University, 673 Auditorium Rd. East Lansing, MI 48824, USA
Rory Hadden
Civil and Environmental Engineering, The University of Edinburgh, Edinburgh, EH9 3FB, UK
Eric Mueller
National Institutes of Standards and Technology, 100 Bureau Dr., Gaithersburg, MD 20899, USA
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We introduce a new modeling system that simulates how wildfire and forest canopies interact. Using data from a prescribed burn in the New Jersey Pine Barrens, we show that the system can reproduce fire spread and the resulting atmospheric changes. Our results demonstrate that fully dynamic fire representation improves our ability to understand and predict fire behavior in complex forest environments.
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Previous studies have noted a significant relationship between the Subtropical Indian Ocean Dipole and the South Atlantic Ocean Dipole indices, but little is known about the stability of their relationship. We found a significant positive correlation between the two indices prior to the year 2000 but an insignificant correlation afterwards.
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We examine methods used to represent wildland fire sensible heat release in atmospheric models. A set of simulations are evaluated using observations from a low-intensity prescribed fire in the New Jersey Pine Barrens. The comparison is motivated by the need for guidance regarding the representation of low-intensity fire sensible heating in atmospheric models. Such fires are prevalent during prescribed fire operations and can impact the health and safety of fire personnel and the public.
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Short summary
Atmospheric turbulence affects wildland fire behaviors and heat and smoke transfer. Turbulence data collected during an experimental fire on a 10 m x 10 m densely instrumented burn plot are analyzed, and the results reveal substantial heterogeneity in fire-induced turbulence characteristics across the small plot, which highlights the necessity for coupled atmosphere–fire behavior models to have 1–2 m grid spacing so that adequate simulations of fire behavior and smoke transfer can be achieved.
Atmospheric turbulence affects wildland fire behaviors and heat and smoke transfer. Turbulence...
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