Proof that the field was dry, on the dates you say it was.
Alternate wetting and drying, verified against Copernicus satellite observations — plot by plot, pass by pass.
- Wet and dry, read from orbitSentinel-1 radar sees standing water through cloud; Sentinel-2 dates the crop stage. Every pass is evidence, not a site visit.
- Gold Standard DREAMDeclared events are reconciled against what the satellites observed, to the methodology a registry already recognises.
- An evidence pack, not a scorePer-plot verdicts with the backscatter behind them, in a form a VVB can audit line by line.