Suppression Difficulty Index, California

Jan 11, 2022 (Last modified Oct 26, 2022)
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Description:

This dataset is a raster representing Suppression Difficulty Index (SDI) across California. Wildfire Suppression Difficulty Index is a quantitative rating of relative difficulty in performing fire control work. SDI factors in topography, fuels, expected fire behavior under severe fire weather conditions, firefighter line production rates in various fuel types, and accessibility (distance from roads/trails) to assess relative suppression difficulty. The SDI can be used to help inform strategic and tactical fire management decisions. This layer, based primarily on landscape conditions at the beginning of the 2020 fire season, was aggregated from original 30m to 90m resolution by mean.


Fire behavior inputs were modeled in WildEST at 30m resolution , incorporating both temporal frequencies of weather types and the influence of high-spread conditions as well . Please reference the CAL report for more detailed information. Raster resolution of original layer is 30m . Data finalized 1/31/2021 .


Additional information on the SDI can be found in the following references:

Rodriguez y Silva, F.; O'Connor, C.D.; Thompson, M.P.; Molina, J.R.; Calkin, D.E. (accepted). Modeling Suppression Difficulty: Current and Future Applications. International Journal of Wildland Fire.

O'Connor, C.D., Thompson, M.P., Rodriguez y Silva, F. 2016. Getting ahead of the wildfire problem: quantifying and mapping management challenges and opportunities.Geosciences, 6(3), 35; doi: 10.3390/geosciences6030035

Rodríguez y Silva, F, Martínez, JRM, González-Cabán, A (2014) A methodology for determining operational priorities for prevention and suppression of wildland fires.International Journal of Wildland Fire 23, 544-554.

Data Provided By:
Primary data contact: Patrick Doyle (USFS R5 Regional Fuels Planner) patrick.doyle@usda.gov

This dataset was developed for the USFS Pacific Southwest Region by Pyrologix LLC (www.pyrologix.com).
Content date:
not specified
Citation:
Vogler, K.C., A. Brough, C.J. Moran, J.H. Scott, and J.W. Gilbertson-Day. 2021. Contemporary Wildfire Hazard Across California. Report for Pacific Southwest Region, USDA Forest Service.


https://pyrologix.com/reports/Contemporary-Wildfire-Hazard-Across-California.pdf
Spatial Resolution:
90 (Meter)
Contact Organization:
Pyrologix
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wildfire
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