This dataset includes annual urban extent dynamics (1985-2015) in the conterminous United States at a 30m resolution.
(1) The dataset is organized by state (in total 49) in the conterminous US. Location of US states can be found in uploaded figure of “US_State.jpg”. Full names and abbreviations of states are provided in the Excel file of “US_StateList.xls”.
(2) The format of provided data is GeoTIFF, i.e., the georeferencing information was embedded within the TIFF file. Each dataset was projected to the Albers Equal Area Conic projection, with a spatial resolution of 30m.
(3) The legend in GeoTIFF file can be founded in the figure of “Legend.jpg”, and more detailed information about the urbanized year and the pixel value can be found in the file of “Year_Code_Loopup.csv”.