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Disturbance

Disturbance products are developed to help inform updates to LANDFIRE (LF) data to reflect change on the landscape caused by management activities and natural disturbance. They are a compilation of data from:

bullet Landsat satellite imagery
bullet Burned Area Reflectance Classification (BARC)
bullet Rapid Assessment of Vegetation Condition
after Wildfire (RAVG)
bullet Monitoring Trends in Burn Severity (MTBS)
bullet LF Events Geodatabase
bullet User contributed data
bullet Other ancillary data

Products » Disturbance Product Alerts
posted 2015-04-09 [Vegetation|Fuel|Disturbance] LANDFIRE 2012 (LF_1.3.0) layers for the Northwest (NW) GeoArea were updated...

LANDFIRE 2012 (LF_1.3.0) layers for the Northwest (NW) GeoArea were updated 4/9/2015 with corrected input layers. Updated layers include:
Existing Vegetation Type (EVT)
Existing Vegetation Height (EVH)
Existing Vegetation Cover (EVC)
Canopy Bulk Density (CBD)
Canopy Base Height (CBH)
Canopy Cover (CC)
Canopy Height (CH)
Fire Behavior Fuel Models 13/40 (FBFM13/40)
Disturbance 2012 (D2012)
Fuel Disturbance 2012 (FDIST2012)
Vegetation Disturbance 2012 (VDIST2012)
Vegetation Transition Magnitude (VTM2012)

Users are advised to download the updated versions and delete local copies of these layers that were downloaded prior to April 8, 2015. We regret any inconvenience this may cause.

posted 2012-06-05 LANDFIRE 2008 (LF_1.1.0) Fuel Disturbance 2008 (FDIST2008) for Hawaii, zone 79, was updated 6/5/12...

LANDFIRE 2008 (LF_1.1.0) Fuel Disturbance 2008 (FDIST2008) for Hawaii, zone 79, was updated 6/5/12. FDIST2008 was reclassified in certain areas of zone 79.

Users are advised to delete local copies of these layers downloaded prior to June 5, 2012 and download the updated versions. We regret any inconvenience this may cause.

posted 2012-05-01 LANDFIRE 2008 (LF_1.1.0) disturbance layers for zones 37, 46, 48, 54, 98, and 99 are updated 5/1/12...

LANDFIRE 2008 (LF_1.1.0) disturbance layers for zones 37, 46, 48, 54, 98, and 99 are updated 5/1/12. The disturbance layers were updated due to corrected input layers. Updated layers are Disturbance 1999 -2008 (DISTYEAR), Fuel Disturbance 2008 (FDIST2008), and Vegetation Disturbance 2008 (VDIST2008).

Users are advised to delete local copies of these layers downloaded prior to May 1, 2012 and download the updated versions. We regret any inconvenience this may cause.

posted 2012-02-01 Some disturbance layers for zones 10 and 19 are updated as of 1/30/12...

Some disturbance layers for zones 10 and 19 are updated as of 1/30/12. An extraneous landscape change event polygon was included in the original processing. The extraneous polygon was removed and the following 3 layers are updated: Disturbance 2000 (DIST2000), Fuel Disturbance 2008 (FDIST2008), and Vegetation Disturbance 2008 (VDIST2008).

Users are advised to delete local copies of these disturbance layers downloaded prior to 1/30/12 and download the updated versions. We regret any inconvenience this may cause.

posted 2012-02-01 Some disturbance layers for zone 41 are updated as of 1/30/12...

Some disturbance layers for zone 41 are updated as of 1/30/12. A windstorm landscape change event was excluded in the original processing. The windstorm event was added to the processing inputs and the following 3 layers are updated: Disturbance 1999 (DIST1999), Fuel Disturbance 2008 (FDIST2008), and Vegetation Disturbance 2008 (VDIST2008).

Users are advised to delete local copies of these disturbance layers downloaded prior to 1/30/12 and download the updated versions. We regret any inconvenience this may cause.

DisturbanceTransition
Disturbance 1999-2014 - provide temporal and spatial information related to landscape change to model vegetation transitions and inform subsequent updates to LF vegetation, fuel, and other data Vegetation Transition Magnitude - provides a summary of the relationship between disturbance types and resulting effects on the vegetation in terms of changes in life-form and canopy cover
Fuel Disturbance - integrated composites of individual disturbance years recoded by disturbance type, disturbance severity, and time since disturbance and screened for non-burnable vegetation to meet fuel transition mapping requirements Forest Vegetation Transitions Database (FVTDB) - contains nationwide forest vegetation transition information and tools to summarize and sort several disturbance types (Fire, Mechanical, Insects and Disease, Windthrow). The database contains vegetation transition rules in tabular format depicting relationship between disturbance type, severity, and time-since-disturbance and its effect on existing vegetation type, cover, and height
Vegetation Disturbance - integrated composites of individual disturbance years recoded by disturbance type, disturbance severity, and time since disturbance to meet vegetation transition mapping requirements Non-forest Vegetation Transitions Database (NFVTDB) contains nationwide non-forest vegetation transition information and tools to summarize and sort several disturbance types (Chemical, Fire, Mechanical) as well as transitions without disturbance or succession. The database contains vegetation transition rules in tabular format depicting the relationship between disturbance type, severity, and time-since-disturbance and its effect on existing vegetation type, cover, and height
Public Events Geodatabase - collection of recent natural disturbance and land management activities used to update existing vegetation and fuel layers Forest Vegetation Simulator Disturbance Database (FVSDDB) — Database deliverable contains LF FVS disturbance analysis outputs for fire, insect and disease, wind and mechanical disturbances. Each disturbance type was modeled at a high, moderate and low severity and represented at three time-steps post disturbance


Learn how disturbance data impacts LF data products.


Application

The disturbance products allow LF products to remain current and relevant. These data are useful in change detection analysis and other analysis that requires up-to-date land cover information.



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