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Product Description

This page includes a general description of the product, please consult the schedule and version pages for information specific to each release.

LANDFIRE (LF) Annual Disturbance (Dist) products depict where change occurred on the landscape, both spatially and temporally, on an annual basis. These products inform model vegetation transitions to provide updates to LF vegetation, fuel, and fire regime products.

Annual Disturbance products are attributed with disturbance year, type, and severity. These products are applicable in several areas of research and management such as landscape change, habitat gain/loss, carbon stock change, vegetation restoration, and more.

LF 2016 Remap and beyond includes a 90-kilometer buffer along the 1,500 miles of the eastern and southern borders AK shares with Canada. Then with the LF 2020 update, and future updates, for the Conterminous United States (CONUS) a 90-kilometer buffer into Mexico is also included.

 

Image of the upper northwest corner of the U.S. with disturbances showing in red and green.

Annual Disturbance Products

Annual Disturbance Resources

The LF Public Events Geodatabase is used to determine disturbance causality in LF products and can be used in change detection analysis.

The Public Events Geodatabase includes contributions from:

  • federal
  • state
  • local
  • private organizations
     
Two Feature Classes For Each Geographic Area
Raw Eventsnatural disturbance and vegetation/fuel treatment data 1999-2024
Model Ready Events
Geodatabase Contents: README

Improvements

LANDFIRE is no longer producing the exotics polygon layer, and it is no longer included in the Public Events geodatabase. You can still access the LF 2023 Exotics polygon data which includes Exotics data from 1999-2023 on the LF Map Viewer.

Beginning with the LF 2022 Update and onward into the future, near the end of the calendar year we are re-collecting disturbance events from LANDFIRE partners to capture and identify even more disturbances. For LF 2022, LANDFIRE added 6.5 million acres of disturbance events data to the LF Public Raw Events product upon re-collection. For a grand total of ~28 million acres of Raw Events data featured within the LF 2022 Update. The Annual Disturbance products will be "evolving" to reflect these additions more clearly in calendar year 2024 and beyond.


 

Data Access

Full Extent Downloads

CONUS
Alaska
Hawaii
Insular Areas

Look Up Table


Certain proprietary and/or sensitive data were removed in this public geodatabase. The lutSource_Code is a table which is an attribute in all three feature classes. Consult the table "lutSource_Code" for more information about the data sources.

Select your GeoArea of interest from the list below to download the LF 2016 Public version of the LF Reference Database.

Picture of the U.S., AK, HI with zone maps indicated.

A public version of the LANDFIRE (LF) 2016 Remap Reference Database (LFRDB) is available. The LFRDB contains a subset of the data and attributes used for LF National and LF Remap production. The Public LFRDB includes vegetation and fuel data that were largely amassed from existing information resources such as:

  • USFS Vegetation and Fuel Plot Data
  • USGS National Gap Analysis Program (GAP)
  • NPS Inventory and Monitoring (I&M)
  • State Inventory Data

Updated plot information was compiled for LF Remap and used to inform existing vegetation mapping. This new data was added to the public LFRDB for LF Remap.

Note: The latest LFRDB is LF 2016 Remap.

Data archived in the LF Remap Public LFRDB include:

VegetationFuel
natural community occurrences
estimates of canopy cover and height per plant taxon
measurements of individual trees
occurrence of exotics plants
 
biomass estimates of downed woody material
depth or biomass estimates of litter and duff layers
percentage cover and height of shrub and herb layers
 

Major Public LFRDB attributes derived from the sampling data include:

  • Ecological System and NVCS Group labels
  • Lifeform cover and height estimates
  • Predictor data extracted from ancillary data layers and used for mapping

Certain proprietary and/or sensitive data were removed in the public database. Consult the table lutdtVisitsSourceID in the database regarding data sources.

The Public LFRDB can be used as input to spatial and non-spatial vegetation models and is applicable for ground truthing and accuracy assessments for a variety of modeling and mapping efforts.


 

Public LANDFIRE Reference Database Resources

LANDFIRE Technical Documentation

A detailed description of the processes that went into the LF 2016 Remap effort and the methods for creating each LF product. 
View Document

LANDFIRE Dictionary

A “one-stop shop” general resource that provides information about products, Attribute Data Dictionaries (ADDs), data and metadata, and terms. 
View Document

LF Definitions, Quality, and Standards

Provides information about contributors, metadata and data standards, data creation, and data testing. This document also provides details about our general data release process.
View Document

LANDFIRE Research Review

LANDFIRE welcomes researchers to share work that incorporates LANDFIRE Program Products for a friendly, informal review—at any stage of development.
Learn More

Product Description

Map of LF 2020 CONUS Operational RoadsThe LANDFIRE Operational Roads product was introduced in LF 2020 and is intended to support fire operations. In the Operational Roads product, all known roads are represented. This product includes all pixels from the four roads classes within the National Land Cover Database (NLCD) 2021 Developed Imperviousness Descriptor product for the Conterminous United States (CONUS) including all pixels of primary (Value 20), secondary (Value 21), tertiary (Value 22), and thinned (Value 23) roads. The NLCD roads layer incorporates other major federal road layers such as commercial roads data.

The Operational Roads product addresses the need for a roads layer that provides comprehensive coverage of existing roads of all sizes. It can be used with other spatial data layers to assist users with decisions on access and egress for firefighting equipment, control points for fighting fires, or potential evacuation routes.

How is the Operational Roads product different from the Developed-Roads class within other products?

Unlike the Operational Roads product, the developed-roads class represented in the LANDFIRE vegetation (Existing Vegetation Type (EVT), Cover (EVC), and Height (EVH)) and fuel products (e.g. Canopy Cover (CC) and Height (CH)) is trumped by overlapping vegetation. For example, if there is both vegetation and a road present in a pixel during the creation of the EVT product then the vegetation takes priority, and the pixel is assigned a specific vegetation type class, rather than a developed-roads class.

Additionally, the smallest NLCD roads class, thinned roads (Value 23), was not used in the developed-roads class within vegetation and fuels products.

A particular pixel's vegetation designation also gets used in assigning fuels. This can result in "broken roads" but is helpful for understanding fuels continuity when modeling fire behavior. The Operational Roads layer contains no "broken roads" and is not focused on fuel continuity.

Operational Roads in Alaska in LF 2020 involved combining NLCD 2016 Urban Descriptor for Alaska and a commercially available roads dataset by buffering the roads by 15m, rasterizing them, and adding them to the NLCD roads. Where NLCD and the commercial data overlapped, NLCD was used. Commercial data roads classes were translated to NLCD primary, secondary, tertiary, and thinned roads based on the descriptions, whether it was paved, and speed categories.

Operational Roads in Hawaii, Puerto Rico, American Samoa, and Guam in LF 2020 were derived from the 2017 US Census Bureau TIGER lines (US Census Bureau, 2017) and include pixels within 15m of the road lines. The lines were buffered by 15m and then converted to raster using the "recode" field to designate the new pixel values.

 

Reference products were input for the LANDFIRE (LF) Update process by providing cause of change on the landscape, as well as being useful for LF's ongoing remap efforts. Public versions of LF reference database, which exclude proprietary and/or sensitive data, are available for download.

Public Reference Database (LFRDB)

Consists of vegetation and fuel data from geo-referenced sampling units nationwide.

Public Events Geodatabase

A collection of recent natural disturbance and land management activities used to update existing vegetation and fuel layers.

Contribute Data

Pie piece


 

 

Version Comparison Table

Version NameTypeYear(s) of Annual Disturbance products in the versionDescriptionCompletion YearStatus
LF 2025Update2025Includes vegetation transition rules for 2025 disturbances and fuels transition rules for 2016-2025 disturbances.2026 
LF 2024Update2024Includes vegetation transition rules for 2024 disturbances and fuels transition rules for 2015-2024 disturbances.2025 
LF 2023Update2023Includes machine-learning modeled vegetation within 2003-2023 disturbances and fuels transition rules for 2014-2023 disturbances.2024 
LF 2022Update2021-2022Includes vegetation transition rules for 2017-2022 disturbances and fuel transition rules for 2013-2022 disturbances.2023 
LF 2020Update2017-2020Includes vegetation transition rules for 2017-2020 disturbances and fuel transition rules for 2012-2020 disturbances.2023Archived
LF 2019 LimitedLimited Update2017-2019Includes vegetation transition rules for limited 2017-2019 disturbances and fuel transition rules for 2011-2019 disturbances.2021Archived - Superseded by LF 2020
LF 2016 RemapNew Base Map2015-2016Includes modeled vegetation for all pixels and fuel transition rules for 2010-2016 disturbances.2021 
LF 2014Update2013-2014Includes vegetation and fuel transition rules for 2005-2014 disturbances.2017Archived
LF 2012Update2011-2012Includes vegetation and fuel transition rules for 2003-2012 disturbances.2015Archived
LF 2010Update2009-2010Includes vegetation and fuel transition rules for 2001-2010 disturbances.2013Archived
LF 2008Update1999-2008Includes vegetation and fuel transition rules for 1999-2008 disturbances.2011Archived
LF 2001Base Map1999-2001LANDFIRE National Base Map Refresh, an enhanced and “version 2” of the LF National Base Map. Comprehensive vegetation and fuels mapping reflects circa 2001 using circa 2001 imagery.2011Archived

The OpenGIS® Web Map Service Interface Standard (WMS) is an HTTP interface for requesting and serving geospatial map images over the internet. A WMS request defines the geographic layer(s) and area of interest to be processed and serves, or responds, with one or more geospatial map images that are able to be displayed in a browser application. A WMS call allows you to access and view LF data within your desktop mapping session that are formatted as they appear on the LF Map Viewer (formerly DDS).

Web Coverage Service (WCS) is also an HTTP interface that provides an open specification for sharing datasets on the web. WCS allows you to access LF products for analysis or modeling without downloading data. WCS provides the pixel value of the data.

  • Hawaii only: The provided WCS URLs will work with ESRI tools. QGIS and other non-ESRI products will be unable to use the WCS URL to view the Hawaii LF data as it is projected in ESRI 102007. Users can use non-ESRI products to view downloaded LF data from the map viewer or mosaic download.

 


 

WMS and WCS URLs

To use the WCS URL in ArcMap or ArcPro, use the bare URLs provided below.

To use the WCS URL in a web browser, append: ?request=GetCapabilities&service=WCS onto the end of the WCS URL.