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, 51 n/a-n/a

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  • Sub-type Journal article
    Author Alizadeh, Mohammad Reza
    Adamowski, Jan
    Entekhabi, Dara
    Title Land and Atmosphere Precursors to Fuel Loading, Wildfire Ignition and Post-Fire Recovery
    Appearing in Advancing Earth and scincence
    Volume 51
    Publication Date 2024-01-19
    Place of Publication Florida
    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
    ISSN 0094-8276
    DOI 10.1029/2023GL105324
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    Created: Thu, 26 Sep 2024, 03:40:30 JST by Haideh Beigi on behalf of UNU INWEH