Reference data set used to validate the hybrid cropland map at 500m (Fritz, S. 2024)

This is a reference data set for validation of the hybrid cropland map at 500m resolution for the year 2019 (Fritz, 2024, map available here)

Sampling design: random whithin areas of improvement, where the WorldCereal map is performing better (less errors) than the GLAD cropland map 2019. 

Number of sample sites: 500

Method of data collection: visual interpreation of various sources of information, including very high resolution images and photos. 

Tool for data collection: Geo-Wiki