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NASA's Web-Enabled Landsat Data (WELD) Conterminous United States Weekly (WELDUSWK) dataset provides 30-meter resolution mosaics generated from Landsat Enhanced Thematic Mapper Plus (ETM+) imagery. The weekly composites from 2003 through 2012 include Top of Atmosphere Reflectance, Brightness Temperature, and a derived Normalized Difference Vegetation Index (NDVI). This dataset was decommissioned in 2019, with users directed to newer monthly global GWELD products.
This dataset (WELDUSWK.015) is decommissioned. Users are encouraged to use the improved monthly Global Web-Enabled Landsat Data (GWELD) Version 3, 3.1, and 3.2 datasets. Data is distributed in Hierarchical Data Format 4 (HDF4).