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
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 |