EnviroAtlas -- Memphis, Tennessee -- Meter-Scale Urban Land Cover (MULC) Data (2012)

Description

The Memphis, TN EnviroAtlas One Meter-scale Urban Land Cover (MULC) dataset comprises 2,733 km2 around the city of Memphis, surrounding towns, and rural areas. These leaf-on LC data and maps were derived from 1-m pixel, four-band (red, green, blue, and near-infrared) aerial photography acquired from the United States Department of Agriculture (USDA) National Agriculture Imagery Program (NAIP) on four dates in 2012: June 15, June 18, June 21 and June 23, and one date in 2013: July 12. Three separate LiDAR (Light Detection and Ranging) data sets collected on February 19, 2009 - August 2, 2010, December 1-2, 2011 and January 23-24, 2012 were integrated for Shelby Co., TN, Crittenden Co., AR, and DeSoto Co, MS. Five MULC classes were mapped directly from the NAIP and LiDAR data: Water, Impervious, Soil, Trees, and Grass/Herbaceous. Agriculture was derived from USDA Common Land Unit (CLU) data. Woody and emergent wetlands were copied from existing National Wetlands Inventory (NWI) data. Analysis of a random sampling of 612 photo-interpreted land cover reference points yielded an overall users accuracy of 86.9%. This dataset was produced by the US EPA to support research and online mapping activities related to EnviroAtlas. EnviroAtlas (https://www.epa.gov/enviroatlas) allows the user to interact with a web-based, easy-to-use, mapping application to view and analyze multiple ecosystem services for the contiguous United States. The dataset is available as downloadable data (https://edg.epa.gov/data/Public/ORD/EnviroAtlas) or as an EnviroAtlas map service. Additional descriptive information about each attribute in this dataset can be found in its associated EnviroAtlas Fact Sheet (https://www.epa.gov/enviroatlas/enviroatlas-fact-sheets).

Resources

Name Format Description Link
0 The URL providing direct access to the downloadable dataset. https://edg.epa.gov/data/PUBLIC/ORD/ENVIROATLAS/Communities/MemphisTN
23 The endpoint of a web service to access the dataset (REST endpoint, WMS GetCapabilities URL, or a SOAP WSDL endpoint). https://enviroatlas.epa.gov/arcgis/rest/services/Supplemental/Landcover_AllCommunities/ImageServer
0 URL for accessing related documents such as data dictionary, technical information about a dataset, developer documentation, etc. https://www.epa.gov/enviroatlas/enviroatlas-data
0 Alternative landing page used to redirect user to a contextual, Agency-hosted "homepage" for the Dataset or API https://www.epa.gov/enviroatlas

Tags

  • environment
  • green space
  • agriculture
  • tennessee
  • enviroatlas
  • ecosystem
  • tn
  • ecosystem services
  • wetlands
  • water
  • environmental atlas
  • land
  • land cover
  • memphis
  • biophysical
  • surface water
  • communities

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