University of California Press

Table 2

Statistical metrics^a of model global performance for year 2008. DOI: https://doi.org/10.1525/elementa.151.t2

Variable (unit)

R^{2 b}

RMSE

Bias

T (°C)

0.81

1.48

1.28

67858

Salinity

0.37

1.33

–0.68

66934

Chl (μg L^–1)

0.25

2.78

–0.30

66041

DO (mg L^–1)

0.64

1.80

–1.56

66538

NO₃^– (mg L^–1)

0.64

0.08

–0.001

1902

DIC (μmol kg^–1)

0.59

70.33

–20.13

593

TA (μmol kg^–1)

0.66

60.89

–38.75

589

pH (total scale)

0.41

0.14

–0.07

584

Variable (unit)	R^{2 b}	RMSE	Bias	N

T (°C)	0.81	1.48	1.28	67858
Salinity	0.37	1.33	–0.68	66934
Chl (μg L^–1)	0.25	2.78	–0.30	66041
DO (mg L^–1)	0.64	1.80	–1.56	66538
NO₃^– (mg L^–1)	0.64	0.08	–0.001	1902
DIC (μmol kg^–1)	0.59	70.33	–20.13	593
TA (μmol kg^–1)	0.66	60.89	–38.75	589
pH (total scale)	0.41	0.14	–0.07	584

^a While R² is dimensionless, RMSE and Bias have the units shown in the first column; N is the total number of comparisons between observations and model.

^b All correlations are significant beyond the 1% level.

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