TY - RPRT TI - Nominal 30-m cropland extent map of continental Africa by integrating pixel-based and object-based algorithms using Sentinel-2 and Landsat-8 Data on Google Earth Engine AU - Jun Xiong AU - Prasad S. Thenkabail AU - James C. Tilton AU - Murali Krishna Gumma AU - Pardhasaradhi G. Teluguntla AU - Adam Oliphant AU - Russell G. Congalton AU - Kamini Yadav AU - Noel Gorelick PY - 2017 DO - 10.3390/rs9101065 UR - https://pubs.usgs.gov/publication/70202775 ID - 70202775 ER -