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A novel fusion of Sentinel-1 and Sentinel-2 with climate data for crop phenology estimation

Research Context

Accurate crop phenology mapping is essential for agricultural monitoring, water planning, and food-security analysis. Cloud-sensitive optical records create temporal gaps in many regions.

Method

The framework combines Sentinel-1 SAR, Sentinel-2 multispectral data, and climate variables inside a machine-learning workflow to detect phenological stages through time.

Key Insights

  • Sensor fusion improves continuity under cloudy conditions.
  • Climate covariates strengthen temporal interpretation and prediction stability.
  • The approach supports scalable crop monitoring workflows.