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NLCD 2019:美国地质调查局国家土地覆盖数据库,2019 年版本
NLCD(国家土地覆盖数据库)是一个基于 Landsat 的 30 米土地覆盖数据库,涵盖 8 个时段(2001 年、2004 年、2006 年、2008 年、2011 年、2013 年、2016 年和 2019 年)。您还可以在此处找到 2021 年的第九个纪元。此类图像依赖于城市不透水层数据层, blm landcover landuse-landcover mrlc nlcd usgs -
NLCD 2021:美国地质调查局国家土地覆盖数据库,2021 年版本
美国地质调查局 (USGS) 与多个联邦机构合作,现已开发并发布了七项国家土地覆盖数据库 (NLCD) 产品:NLCD 1992、2001、2006、2011、2016、2019 和 2021。从 2016 年发布版本开始,土地覆盖产品的创建间隔为两到三年… blm landcover landuse-landcover mrlc nlcd usgs
Datasets tagged mrlc in Earth Engine
[null,null,[],[[["\u003cp\u003eThe National Land Cover Database (NLCD) provides 30-meter resolution land cover data across the United States, derived from Landsat imagery.\u003c/p\u003e\n"],["\u003cp\u003eNLCD offers data for multiple epochs, including 2001, 2004, 2006, 2008, 2011, 2013, 2016, 2019, and 2021, allowing for change detection and analysis over time.\u003c/p\u003e\n"],["\u003cp\u003eThe USGS, in collaboration with federal agencies, develops and releases the NLCD products, with recent releases focusing on shorter, two-to-three-year intervals for more frequent land cover assessments.\u003c/p\u003e\n"]]],["The USGS National Land Cover Database (NLCD) provides 30-meter land cover data from Landsat imagery. It includes nine epochs: 2001, 2004, 2006, 2008, 2011, 2013, 2016, 2019, and 2021. NLCD products have been released for seven datasets : 1992, 2001, 2006, 2011, 2016, 2019 and 2021. The 2016 release started using two-to-three-year intervals. The data, which relies on imperviousness layers for urban areas, are created in partnership with federal agencies.\n"],null,["# Datasets tagged mrlc in Earth Engine\n\n-\n\n |-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|\n | [### NLCD 2019: USGS National Land Cover Database, 2019 release](/earth-engine/datasets/catalog/USGS_NLCD_RELEASES_2019_REL_NLCD) |\n | 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 ... |\n | [blm](/earth-engine/datasets/tags/blm) [landcover](/earth-engine/datasets/tags/landcover) [landuse-landcover](/earth-engine/datasets/tags/landuse-landcover) [mrlc](/earth-engine/datasets/tags/mrlc) [nlcd](/earth-engine/datasets/tags/nlcd) [usgs](/earth-engine/datasets/tags/usgs) |\n\n-\n\n |------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|\n | [### NLCD 2021: USGS National Land Cover Database, 2021 release](/earth-engine/datasets/catalog/USGS_NLCD_RELEASES_2021_REL_NLCD) |\n | 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 ... |\n | [blm](/earth-engine/datasets/tags/blm) [landcover](/earth-engine/datasets/tags/landcover) [landuse-landcover](/earth-engine/datasets/tags/landuse-landcover) [mrlc](/earth-engine/datasets/tags/mrlc) [nlcd](/earth-engine/datasets/tags/nlcd) [usgs](/earth-engine/datasets/tags/usgs) |"]]