About LANDFIRE ›› Updating Products ›› LF_1.0.1 (Rapid Refresh)

To maintain current data sets, it is necessary to frequently update data current ground conditions. Satellite imagery serves as a key component in the development of LANDFIRE existing vegetation and fuel layers. Some of these data originate as far back as 1999; however, wildland fires have substantially changed vegetation and fuels in many areas of the West since the LF_1.0.0 (National) data products were developed. To provide data that reflect the effects of wildland fires, existing vegetation and fire behavior fuel layers were updated through the LF_1.0.1 (Rapid Refresh) using fire perimeter data collected on 1999-2007 wildland fires.

In addition to updates within fire perimeters, global changes were made to the existing vegetation and fire behavior fuel layers to improve the quality of the data. For example, LF_1.0.0 fuel layers incorporated additional areas classified as barren and water that were not incorporated into the vegetation layers. In LF_1.0.1, these areas of barren and water were added to the existing vegetation layers to better reflect ground conditions and to ensure that vegetation and fuel layers are logically consistent. Other improvements included global changes to fuel model and canopy layers implemented in response to recommendations from the LANDFIRE After-Action Reviews (AARs) and in response to feedback provided by other fire and fuel specialists.

LF_1.0.1 products comprise a set of nine updated vegetation and fuel layers that were delivered from January through June 2008. To learn more about LANDFIRE's Updating Products Operations and Maintenance Strategy, click here.