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Provisional Modeling Dynamic Fuels with an Index System (MoD-FIS) for the Great Basin and Southwest United States

MoD-FIS Schedule

Current plans are to develop products annually based on the following fire seasons:

 RegionDate RangeSeason
Mar 1 - Jun 30 Summer
Great Basin
Feb 1 - May 15 Spring
Mar 1 - Jun 30 Summer
Feb 1 - May 15Spring
Mar 1 - Jun 30Summer
Jul 1 - Sep 30Fall

The Provisional Modeling Dynamic Fuels with an Index System (MoD-FIS) seasonally modulates fuel model data in the Great Basin and Southwest regions. MoD-FIS incorporates seasonal variability of herbaceous cover. These fine fuel measurements are then used to capture changes to fire behavior fuel models based on the current fire season herbaceous production.

Seasonally modified fuel model data were developed for the Great Basin and Southwest regions based on the Index NDVI. Ten years of NDVI from Web-enabled Landsat Data (WELD) was analyzed to determine the average and range of vegetation greenness values for each pixel across each region. These values were correlated with measures of LF herbaceous cover to determine abundance of fine fuels. A process was then developed to create current year herbaceous cover using pre-fire season NDVI imagery, capturing the green-up of herbaceous vegetation. The resultant updated layers from this process are Provisional MoD-FIS Existing Vegetation Cover and Height (PM_EVC and PM_EVH). Using the current year herbaceous cover, LF Total Fuel Change Tool can make fire behavior fuel model changes that reflect the current fire season herbaceous cover and resultant fuel availability. Modeling exercises were used to evaluate the seasonal fuel model data. Local fuels experts provided review of the process and resultant data. The final layer from this process is Provisional MoD-FIS Fire Behavior Fuel Model 40 (PM_FBFM40).

Mosaic products available, refer to the Provisional MoD-FIS data availability.

MoD-FIS Comprehensive PlanPDF

GB-SW MoD-FIS White PaperPDF

PM EVC Attribute Data DictionaryPDF
PM EVH Attribute Data DictionaryPDF

PM FBFM40 Attribute Data DictionaryPDF


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