Table 4 Performances of the inversion process over the 372 sampled leaves

C_abc (µg/cm²)

r²

0.65

0.81

0.59

0.79

0.63

0.80

0.79

0.80

RMSE

30.92

27.66

19.90

10.93

25.85

19.21

25.33

22.72

RMSE Corr

8.70

6.51

9.88

6.67

8.94

6.66

6.83

6.67

Slope

1.67

1.63

1.35

1.18

1.54

1.41

1.57

1.50

Bias

− 27.70

− 25.09

− 14.99

− 8.11

− 23.29

− 17.56

− 23.22

− 20.69

\(C_{ab}\) (µg/cm²)

r²

–

–

–

–

0.81

0.82

0.81

0.82

RMSE

24.60

18.71

19.39

17.29

RMSE Corr

5.60

5.29

5.52

5.45

Slope

1.67

1.50

1.52

1.45

Bias

− 22.38

− 16.78

− 17.52

− 15.39

\(C_{c}\) (µg/cm²)

r²

0.16

0.04

0.48

0.45

RMSE

9.00

3.91

6.18

5.75

RMSE Corr

–

–

–

–

5.63

3.42

1.56

1.58

slope

0.88

0.99

1.80

1.74

Bias

− 0.91

− 0.78

− 5.70

− 5.30

\(C_{w}\) (mg/cm²)

r²

0.88

0.87

0.85

0.85

0.86

0.86

0.85

0.85

RMSE

2.35

2.87

3.75

3.91

3.65

3.79

2.47

2.67

RMSE Corr

1.06

1.13

1.06

1.07

1.03

1.04

1.08

1.09

Slope

1.13

1.17

1.23

1.24

1.23

1.24

1.14

1.16

Bias

− 1.96

− 2.47

− 3.54

− 3.68

− 3.48

− 3.59

− 2.14

− 2.34

\(C_{m}\) (mg/cm²)

r²

0.00

0.00

0.00

0.00

0.00

0.00

0.00

0.00

RMSE

2.45

2.82

2.82

3.07

2.83

3.06

2.59

2.87

RMSE Corr

1.67

1.80

1.80

1.90

1.80

1.89

1.75

1.84

slope

0.56

0.47

0.47

0.42

0.47

0.42

0.53

0.46

Bias

2.18

2.60

2.61

2.88

2.62

2.88

2.33

2.65

\(N\)

Mean

1.45

1.47

1.64

1.63

1.64

1.62

1.43

1.41

\(R_{surf}\)

Mean

0.05

0.05

0.01

0.01

0.01

0.01

0.01

0.01

\(f_{wb}\)

Mean

0.01

0.02

0.07

0.07

0.07

0.07

0.04

0.04