LANDFIRE-Fire Regime Product Descriptions

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Data Product Descriptions

Data Products ›› LANDFIRE Fire Regime Product Descriptions

Mean Fire Return Interval

The Mean Fire Return Interval (MFRI) layer quantifies the average period between fires under the presumed historical fire regime.

LF_1.1.0 (Refresh 2008) – MFRI was derived from the vegetation and disturbance dynamics model VDDT (Vegetation Dynamics Development Tool). This layer is intended to describe one component of historical fire regime characteristics in the context of the broader historical time period represented by the LANDFIRE Biophysical Settings layer and LANDFIRE Biophysical Settings Model documentation. This layer is created by linking the BpS Group attribute in the BpS layer with the Refresh Model Tracker (RMT) data and assigning the Mean Fire Return Internal attribute. This geospatial product should display a reasonable approximation of Mean Fire Return Interval, as documented in the Refresh Model Tracker.

LF_1.0.5 (Refresh 2001) – MFRI was derived from the vegetation and disturbance dynamics model VDDT (Vegetation Dynamics Development Tool). This layer is intended to describe one component of historical fire regime characteristics in the context of the broader historical time period represented by the LANDFIRE Biophysical Settings (BpS) layer and LANDFIRE Biophysical Settings Model documentation. This layer is created by linking the BpS Group attribute in the BpS layer with the Refresh Model Tracker (RMT) data and assigning the MFRI attribute. This geospatial product should display a reasonable approximation of MFRI, as documented in the Refresh Model Tracker.

F_1.0.0 (National) – MFRI is derived from vegetation and disturbance dynamics simulations using LANDSUM (Keane and others 2002; Barrett and others 2010). This layer is intended to represent one component of the presumed historical fire regimes within landscapes based on interactions between vegetation dynamics, fire spread, fire effects, and spatial context.

Metadata:
LF_1.1.0 (Refresh 2008)
LF_1.0.5 (Refresh 2001)
LF_1.0.0 (National)

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Keane, R. E., R. Parsons, and P. Hessburg. 2002. Estimating historical range and variation of landscape patch dynamics: limitations of the simulation approach. Ecological Modeling 151:29-49. Barrett, S.; Havlina, D.; Jones, J.; Hann, W.; Frame, C.; Hamilton, D.; Schon, K.; Demeo, T.; Hutter, L.; and Menakis, J. 2010. Interagency Fire Regime Condition Class Guidebook. Version 3.0 [Homepage of the Interagency Fire Regime Condition Class website, USDA Forest Service, US Department of the Interior, and The Nature Conservancy]. [Online], Available: www.frcc.gov.