Comparison of WorldCereal with FAOSTAT data: an exploratory analysis
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WorldCereal provides high-resolution global cropland and crop type maps. This study evaluates the accuracy and reliability of these products using in situ data from FAOSTAT. We harmonized diverse datasets to enable fair assessments and employed robust statistical metrics to quantify the performance of maps detailing temporary crops, crop types and irrigation status.The correlation between FAOSTAT data and WorldCereal data is excellent for cereals and irrigated area, and strong for temporary crops and maize. All the assessments showed a higher correlation and lower errors for data considered official than for imputed data. Most cases revealed strong correlations for Europe and South America, and poor ones for Oceania and Central America and the Caribbean that are due to a mismatch in data for Small Island Developing States.Our findings offer valuable insights into the platform’s utility for global agricultural monitoring and highlight its strengths relative to existing technologies. An accompanying interactive dashboard further enriches this work by presenting comprehensive maps and analyses.