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 2 Energy balance closure statistics at the LBA flux sites and ET measurement results showing uncertainty compared to ground truth data. The standard deviation is indicated between brackets

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

Tower code Average energy balance closure, Rn – G – H − λE
(W/m2)
Average energy balance closure, {(H + λE)/(Rn − G)} × 100% (%) Direct method
(mm/month)
Residual method
(mm/month)
Bowen ratio method
(mm/month)
ET difference between methods
(mm/month)
K34 17.9 86 102.9 (17.5) 124.0 (18.9) 120.2 (19.1) 21.1
K67 2.3 97 99.7 (18.8) 108.5 (40.5) 110.4 (63.4) 10.7
K77 − 18.5 116 106.4 (26.5) 80.9 (27.4) 88.7 (22.6) 25.5
K83 5.6 95 133.9 (6.8) 146.9 (8.9) 144.1 (7.3) 13.0
BAN 12.8 90 111.6 (18.9) 128.1 (11.1) 123.6 (11.6) 16.5