AI-generated Key Takeaways
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The Bureau of Land Management (BLM) has collected field information on over 6,000 terrestrial plots since 2011 to inform land health assessments.
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The National Land Cover Database (NLCD) provides 30-meter resolution Landsat-based land cover data for multiple epochs spanning from 2001 to 2021.
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The NLCD epochs, including the 2019 and 2021 releases, rely on imperviousness data for urban classification and are produced by the USGS in partnership with federal agencies.
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BLM AIM TerrADat TerrestrialAIM Point v1
Since 2011, the Bureau of Land Management (BLM) has collected field information to inform land health through its Assessment Inventory and Monitoring (AIM) strategy. To date, more than 6,000 terrestrial AIM field plots have been collected over BLM lands. The BLM AIM data archive is … blm ecosystems hydrology soil table vegetation -
NLCD 2019: USGS National Land Cover Database, 2019 release
NLCD (the National Land Cover Database) is a 30-m Landsat-based land cover database spanning 8 epochs (2001, 2004, 2006, 2008, 2011, 2013, 2016, and 2019). A ninth epoch for 2021 is also available here. The images rely on the imperviousness data layer for the urban … blm landcover landuse-landcover mrlc nlcd usgs -
NLCD 2021: USGS National Land Cover Database, 2021 release
The U.S. Geological Survey (USGS), in partnership with several federal agencies, has now developed and released seven National Land Cover Database (NLCD) products: NLCD 1992, 2001, 2006, 2011, 2016, 2019, and 2021. Beginning with the 2016 release, land cover products were created for two-to-three-year intervals … blm landcover landuse-landcover mrlc nlcd usgs