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Journal Articles New Phytologist Year : 2023

Integrating plant physiology into simulation of fire behavior and effects

L. Turin Dickman
Alexandra K Jonko
Rodman R Linn
Ilkay Altintas
Adam L Atchley
Adam D Collins
Jean‐luc Dupuy
Michael R Gallagher
J. Kevin Hiers
Sharon M Hood
Matthew D Hurteau
Alexander Josephson
Wu Ma
Sean T Michaletz
Rachael H Nolan
Joseph J O'Brien
Russell A Parsons
Raquel Partelli‐feltrin
François Pimont
Víctor Resco de Dios
Joseph Restaino
Zachary J Robbins
Karla A Sartor
Emily Schultz‐fellenz
Sanna Sevanto
Jacquelyn K Shuman
David R Weise
Molly Wright
  • Function : Author
Chonggang Xu
Marta Yebra
Nicolas Younes

Abstract

Wildfires are a global crisis, but current fire models fail to capture vegetation response to changing climate. With drought and elevated temperature increasing the importance of vegetation dynamics to fire behavior, and the advent of next generation models capable of capturing increasingly complex physical processes, we provide a renewed focus on representation of woody vegetation in fire models. Currently, the most advanced representations of fire behavior and biophysical fire effects are found in distinct classes of fine-scale models and do not capture variation in live fuel (i.e. living plant) properties. We demonstrate that plant water and carbon dynamics, which influence combustion and heat transfer into the plant and often dictate plant survival, provide the mechanistic linkage between fire behavior and effects. Our conceptual framework linking remotely sensed estimates of plant water and carbon to fine-scale models of fire behavior and effects could be a critical first step toward improving the fidelity of the coarse scale models that are now relied upon for global fire forecasting. This process-based approach will be essential to capturing the influence of physiological responses to drought and warming on live fuel conditions, strengthening the science needed to guide fire managers in an uncertain future.
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hal-04159896 , version 1 (12-07-2023)

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L. Turin Dickman, Alexandra K Jonko, Rodman R Linn, Ilkay Altintas, Adam L Atchley, et al.. Integrating plant physiology into simulation of fire behavior and effects. New Phytologist, 2023, 238 (3), pp.952-970. ⟨10.1111/nph.18770⟩. ⟨hal-04159896⟩
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