Cropland reconstruction in Northeast China from 1700 to 2020

This dataset is reconstructed spatially distributed cropland in Northeast China from 1700 to 2020. The spatial resolution is 30 m × 30 m. From 1700 to 1900, the update cycle was every 50 years; From 1910 to 1980, the update cycle was every 10 years; After 1980, the update cycle was every 5 years.