Fig. 11

Maps of Chl content (Dualex units) for the four growth stages (S1–S4, NDVI > 0.3 pixels). Note: MAE(S1) = 2.17, RMSE(S1) = 2.62; MAE(S2) = 3.07, RMSE(S2) = 3.84; MAE(S3) = 3.08, RMSE(S3) = 3.75; MAE(S4) = 3.30, RMSE(S4) = 4.46