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The NASA funded Web-enabled Landsat Data (WELD) project is systematically generating 30m composited Landsat Enhanced Thematic Mapper Plus (ETM+) mosaics of the conterminous United States and Alaska from 2005 to 2012. The WELD products are developed specifically to provide consistent data that can be used to derive land cover as well as geophysical and biophysical products for regional assessment of surface dynamics and to study Earth system functioning.     
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Use the links in the table below to view and download data using WCS.
This data set contains 17 data granules
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Granule Name Variables Metadata Preview Image
    WELD CONUS 2008 December Projection: USA Contiguous Albers Equal Area Conic (NLCD)
Spatial Extent: N: 3314800, S: 14650, E: 2384520, W: -2565600
Start DateTime: 2008-12-01T00:00:00
End DateTime: 2009-01-01T00:00:00		 WELD CONUS 2008 December
 
    WELD CONUS 2009 Annual Projection: USA Contiguous Albers Equal Area Conic (NLCD)
Spatial Extent: N: 3314800, S: 14650, E: 2384520, W: -2565600
Start DateTime: 2008-12
End DateTime: 2009-11		 WELD CONUS 2009 Annual
 
    WELD CONUS 2009 April Projection: USA Contiguous Albers Equal Area Conic (NLCD)
Spatial Extent: N: 3314800, S: 14650, E: 2384520, W: -2565600
Start DateTime: 2009-04-01T00:00:00
End DateTime: 2009-05-01T00:00:00		 WELD CONUS 2009 April
 
    WELD CONUS 2009 August Projection: USA Contiguous Albers Equal Area Conic (NLCD)
Spatial Extent: N: 3314800, S: 14650, E: 2384520, W: -2565600
Start DateTime: 2009-08-01T00:00:00
End DateTime: 2009-09-01T00:00:00		 WELD CONUS 2009 August
 
    WELD CONUS 2009 Autumn Projection: USA Contiguous Albers Equal Area Conic (NLCD)
Spatial Extent: N: 3314800, S: 14650, E: 2384520, W: -2565600
Start DateTime: 2009-09-01
End DateTime: 2009-11-30		 WELD CONUS 2009 Autumn
 
    WELD CONUS 2009 February Projection: USA Contiguous Albers Equal Area Conic (NLCD)
Spatial Extent: N: 3314800, S: 14650, E: 2384520, W: -2565600
Start DateTime: 2009-02-01T00:00:00
End DateTime: 2009-03-01T00:00:00		 WELD CONUS 2009 February
 
    WELD CONUS 2009 January Projection: USA Contiguous Albers Equal Area Conic (NLCD)
Spatial Extent: N: 3314800, S: 14650, E: 2384520, W: -2565600
Start DateTime: 2009-01-01T00:00:00
End DateTime: 2009-02-01T00:00:00		 WELD CONUS 2009 January
 
    WELD CONUS 2009 July Projection: USA Contiguous Albers Equal Area Conic (NLCD)
Spatial Extent: N: 3314800, S: 14650, E: 2384520, W: -2565600
Start DateTime: 2009-07-01T00:00:00
End DateTime: 2009-08-01T00:00:00		 WELD CONUS 2009 July
 
    WELD CONUS 2009 June Projection: USA Contiguous Albers Equal Area Conic (NLCD)
Spatial Extent: N: 3314800, S: 14650, E: 2384520, W: -2565600
Start DateTime: 2009-06-01T00:00:00
End DateTime: 2009-07-01T00:00:00		 WELD CONUS 2009 June
 
    WELD CONUS 2009 March Projection: USA Contiguous Albers Equal Area Conic (NLCD)
Spatial Extent: N: 3314800, S: 14650, E: 2384520, W: -2565600
Start DateTime: 2009-03-01T00:00:00
End DateTime: 2009-04-01T00:00:00		 WELD CONUS 2009 March
     
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