Land and Atmosphere Precursors to Fuel Loading, Wildfire Ignition and Post-Fire Recovery
Alizadeh, Mohammad Reza, Adamowski, Jan and Entekhabi, Dara, (2024). Land and Atmosphere Precursors to Fuel Loading, Wildfire Ignition and Post-Fire Recovery. Advancing Earth and scincence, 635 N/A-N/A
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Sub-type Journal article Author Alizadeh, Mohammad Reza
Adamowski, Jan
Entekhabi, DaraTitle Land and Atmosphere Precursors to Fuel Loading, Wildfire Ignition and Post-Fire Recovery Appearing in Advancing Earth and scincence Volume 635 Publication Date 2024-01-19 Place of Publication N/A Publisher AGU Start page N/A End page N/A Language eng Abstract Land surface-atmosphere coupling and soil moisture memory are shown to combine into a distinct temporal pattern for wildfire incidents across the western United States. We investigate the dynamic interplay of observed soil moisture, vegetation water content, and atmospheric dryness in relation to fuel loading, fire ignition and post-fire recovery. We find that positive soil moisture anomalies around 5 months before fire ignition increase biomass growth in the subsequent months, thereby shaping fire-prone vegetation conditions. Then, concurrent decrease in soil moisture, vegetation dehydration, and atmospheric dryness collectively contribute to the occurrence of fire ignition events. This is followed by a rapid recovery in both soil and atmospheric moisture within several weeks after the fire incidents. Our findings provide insights into understanding of wildfire ignition dynamics, supporting fire modeling and enabling improved fire predictions, early warning systems, and mitigation strategies. Copyright Holder AGU Copyright Year 2024 Copyright type Creative commons DOI 10.1029/2023GL105324 -
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