Mapping Maize Cropland and Land Cover in Semi-Arid Region in Northern Nigeria Using Machine Learning and Google Earth Engine. - Ghali Abdullahi Abubakar; Ke Wang; Auwalu Faisal Koko; Muhammad Ibrahim Husseini; Kamal Abdelrahim Mohamed Shuka; Jinsong Deng; Muye Gan (Remote. Sens., 2023)