Table 5. Stepwise error of simulation chain segments. SE: Simulation error, ABS: absolute level from measured data.
Parameter | T bias corrected | Frost occurrences permonth of April | Blooma | Blossomb frostrisk θ | ||
[h] | [d] | [d, DOY] | [−] | |||
Frost | ABS | – | 25 | 4 | – | – |
Frost | SEc | no | 7 | 3 | – | – |
Frost | SEc | yes | <1 | <1 | – | – |
Bloom | ABS | – | – | – | 117–126 | 0.163 |
Bloom | SEc | no | – | – | – | – |
Bloom | SEc | yes | – | – | 4–8 | – |
Blossom frost | ABS | – | – | – | – | 0.163 |
Blossom frost | SEc | no | – | – | – | – |
Blossom frost | SE from phenol. modelscd | yes | – | – | – | 0.001–0.034 |
Blossom frost | SE from time seriesce | yes | – | – | – | 0.021–0.075 |
min-to-max range across all ripening groups and phenophases.
min-to-max range across all ripening groups, phenophases and phenological models.
Mean absolute error (MAE), average over all grid points.
Error from comparison of measured blossom frost risk with blossom frost risk simulated with measured temperature (1991–2012).
Error from comparison of blossom frost risk simulated with measured temperature with blossom frost risk simulated.
with simulated temperature (1951–2012).