Name: Sources of Ember Load to Buildings

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Description: - Metric Name: Source of Ember Load to Buildings - Tier: 1 - Data Vintage: 08/2023. Includes disturbances through the end of 2022. - Unit Of Measure: Relative index - Metric Definition and Relevance: The ember transport model used in WildEST tracks the travel of embers from each source pixel to downwind receiving pixels. The relative number of embers landing on a given receiving pixel is summed across all potential source pixels. If the receiving pixel has a nonzero WRC Building Cover value (meaning the pixel is within 75 m of a qualifying building), then we separately sum the relative number of embers from the source pixel. The final SELB raster represents the expected annual relative ember production that lands on building cover across all weather types. - Creation Method: The WildEST modeling contains a module for producing indices of conditional and expected ember production and load. The Conditional Ember Production Index (cEPI) is an index of the relative number of embers lofted at a given landscape pixel given the fire environment there, given that a fire occurs. Ember Production Index (EPI) is the expected value of cEPI; it is the expected annual relative number of embers lofted from a given landscape pixel., p, p, p

Service Item Id: 1cb30be5ac0d4722b48d2e08935f5450

Copyright Text: Pyrologix, LLC --James Newman (California State BLM Office) [email protected]

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