Table 2 Correlation Parameter Comparisons Between GOSAT, OCO-3, and CAMS Datasets.

From: Global Daily Column Average CO2 at 0.1° × 0.1° Spatial Resolution Integrating OCO-3, GOSAT, CAMS with EOF and Deep Learning

#

Region

Comparison

Pearson

R2

RMSE (ppm)

MAE (ppm)

y = Slope·x + Intercept

Slope

Intercept

1

Africa

CAMS - GOSAT

0.69

0.47

1.98

1.63

0.73

107.46

Asia

CAMS - GOSAT

0.59

0.35

2.37

1.87

0.89

43.15

Australia

CAMS - GOSAT

0.52

0.27

1.42

0.97

0.60

162.33

Europe

CAMS - GOSAT

0.80

0.64

1.51

0.88

1.39

−161.49

Indian Ocean

CAMS - GOSAT

0.58

0.34

1.84

1.36

0.62

150.02

Mediterranean ocean

CAMS - GOSAT

0.51

0.26

3.34

2.73

1.31

−130.91

North Atlantic Ocean

CAMS - GOSAT

0.64

0.40

2.41

1.86

0.96

10.62

North Pacific Ocean

CAMS - GOSAT

0.62

0.38

2.56

1.99

1.18

−80.83

North America

CAMS - GOSAT

0.79

0.63

1.62

1.23

1.09

−38.84

Oceania

CAMS - GOSAT

−0.09

0.01

2.23

1.76

−0.20

489.87

South Atlantic Ocean

CAMS - GOSAT

0.50

0.25

1.64

1.19

0.53

189.04

South America

CAMS - GOSAT

0.51

0.26

1.52

1.18

0.53

190.31

South China East Ocean

CAMS - GOSAT

0.71

0.50

2.69

2.20

1.57

−241.25

South Pacific Ocean

CAMS - GOSAT

0.31

0.09

1.25

0.94

0.26

296.64

2

Africa

CAMS - OCO-3

−0.18

0.03

2.11

1.66

−0.15

472.73

Asia

CAMS - OCO-3

0.10

0.01

1.27

1.06

0.07

382.33

Australia

CAMS - OCO-3

0.03

0.00

2.27

2.00

0.05

390.30

Europe

CAMS - OCO-3

0.68

0.46

1.18

0.98

0.74

101.99

Indian Ocean

CAMS - OCO-3

0.14

0.02

2.59

2.07

0.17

341.74

Mediterranean ocean

CAMS - OCO-3

0.21

0.05

1.04

0.82

0.15

347.33

North Atlantic Ocean

CAMS - OCO-3

0.18

0.03

1.40

1.13

0.12

358.67

North Pacific Ocean

CAMS - OCO-3

0.17

0.03

1.14

0.93

0.12

362.19

North America

CAMS - OCO-3

0.37

0.13

0.94

0.78

0.19

331.24

Oceania

CAMS - OCO-3

0.16

0.03

1.22

1.06

0.20

329.23

South Atlantic Ocean

CAMS - OCO-3

0.25

0.06

2.59

2.15

0.37

257.83

South America

CAMS - OCO-3

−0.01

0.00

2.24

1.83

−0.02

419.73

South China East Ocean

CAMS - OCO-3

−0.13

0.02

1.37

1.11

−0.10

452.91

South Pacific Ocean

CAMS - OCO-3

0.17

0.03

2.01

1.56

0.23

317.89

3

Africa

GOSAT - OCO-3

−0.19

0.04

2.11

1.62

−0.15

471.39

Asia

GOSAT - OCO-3

−0.01

0.00

1.28

1.07

−0.01

412.70

Australia

GOSAT - OCO-3

−0.09

0.01

2.26

1.94

−0.12

460.91

Europe

GOSAT - OCO-3

0.33

0.11

1.50

1.27

0.21

322.44

Indian ocean

GOSAT - OCO-3

−0.13

0.02

2.59

2.01

−0.15

473.75

Mediterranean ocean

GOSAT - OCO-3

−0.13

0.02

1.05

0.84

−0.03

424.68

North Atlantic Ocean

GOSAT - OCO-3

−0.12

0.02

1.41

1.12

−0.06

433.19

North Pacific Ocean

GOSAT - OCO-3

−0.13

0.02

1.15

0.93

−0.05

429.77

North America

GOSAT - OCO-3

0.18

0.03

0.99

0.83

0.07

382.35

Oceania

GOSAT - OCO-3

0.41

0.17

1.13

0.87

0.23

319.79

South Atlantic Ocean

GOSAT - OCO-3

0.01

0.00

2.67

2.16

0.01

406.81

South America

GOSAT - OCO-3

0.07

0.00

2.24

1.84

0.08

377.39

South China East Ocean

GOSAT - OCO-3

−0.19

0.04

1.35

1.11

−0.07

438.78

 

South Pacific Ocean

GOSAT - OCO-3

0.23

0.05

1.98

1.51

0.35

267.98

Back to article page