Skip to main content

Advertisement

Springer Nature is making SARS-CoV-2 and COVID-19 research free. View research | View latest news | Sign up for updates

Table 5 Impact of footprint 250 m × 250 m (6.25 ha) vs. 1750 m × 1750 m (306.25 ha) of flux towers on the performance of ET-Amazon for monthly time steps

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 × 250 m K34 K67 BAN
 RMSE 26.76 21.66 16.75
R2 0.48 0.84 0.55
1750 m × 1750 m K34 K67 BAN
 RMSE 27.87 20.83 17.84
R2 0.5 0.87 0.36
Residual energy balance closure
250 m × 250 m K34 K67 BAN
 RMSE 14.89 22.02 24.71
R2 0.54 0.83 0.29
1750 m × 1750 m K34 K67 BAN
 RMSE 13.98 27.47 23.62
R2 0.64 0.86 0.22
Bowen ratio energy balance closure
250 m × 250 m K34 K67 BAN
 RMSE 16.92 59.80 20.13
R2 0.54 0.30 0.51
1750 m × 1750 m K34 K67 BAN
 RMSE 16.80 61.45 19.58
R2 0.62 0.36 0.34