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Table 4 The RMSE and R2 metrics used to validate ET-Amazon for integration periods of 2 months or longer. A footprint of one pixel is considered

From: The spatial variability of actual evapotranspiration across the Amazon River Basin based on remote sensing products validated with flux towers

Direct measurement
250 m K34 K67 BAN
 RMSE 83.49 147.44 52.89
R2 0.993 0.999 0.98
Residual energy balance closure
250 m K34 K67 BAN
 RMSE 25.55 179.41 123.59
R2 0.999 0.996 0.998
Bowen ratio energy balance closure
250 m K34 K67 BAN
 RMSE 38.21 87.21 95.80
R2 0.999 0.993 0.999