Validation of OCC-17
coupled model


Experiment on CRAY XD1

previous atlas
grid'5000 atlas
OCC20-HR model
OCC21-ML model

WP12
Atlas
Forced/
Ocean forced

OCC43
Atlas
Forced
Atmos

OCC53
Atlas
Forced Atmos
(phys.std)

OCC69
Atlas
Brother
OCC53

OCC71_long
Atlas
Brother
OCC69

OCC74
Atlas
Brother
OCC69
(ENSEMBLES)

OCC76
Atlas
Brother
OCC69

OCC77
Atlas
Brother
OCC69

OCC78
Atlas
Brother
OCC69

OCC79
Atlas
Brother
OCC69

OCC80
Atlas

OCC95
Atlas
NEMOv3

Elapsed (CPU: 45min/month with post-processing)




10 days

55 days

14 days

3 days 1/4

3.5 days

3 days 1/4

3.5 days

3.5 days

3.5 days

Validation period

10 of 20 years

10 out of 10 years

21yr (AMIP)
[1979-1999]

10 of 30 years

10 of 218 years

10 of 30 years

10 of 15 years

10 of 15 years

10 of 15 years

10 of 15 years

10 of 15 years

10 of 15 years

ATMOSPHERE : ARPEGE V4, t63 grid













Top of atmosphere balance (W/m2)

1.16

-18.81

0.36

3.21

2.06

2.67

3.30

3.03

4.03

1.28


2.39

Outgoing flux (OLR) (W/m2) rlut

-231.4

-238.57

-233.8

-230.9

-232.9

-231.8

-232.1

-231.8

-233.5

-231.5


-230.6

Incoming flux  (W/m2) nsft

232.6

219.75

234.1

234.1

235.0

234.5

235.4

234.9

237.6

232.8


232.9

Total Heat Flux at Surface (W/m2)


-2.03

-1.08

1.61

0.39

1.07

1.66

1.44

2.32

-0.27


0.93

Cloud cover (%) clt


70.95

66.8

68.6

68.0

68.4

68.5

68.6

68.0

68.1


68.0

Total precipitations (mm/j) pr


2.70

3.18

3.04

3.10

3.06

3.09

3.04

3.14

3.04


3.03

E-P-R-C over sea  (Sv)


-0.03

-0.03

-0.059

-0.051

-0.060

-0.052

-0.043

-0.050

-0.048


-0.047

Z500 (m) zg


5654

5661

5633.

5654.

5642.

5649.

5642.

5662.

5635.


5632.

OCEAN : OPA 9 (NEMO), ORCA2 grid













Flux balance at ocean surface (W/m2) (sohefldo)

-1.84

N/A

N/A

1.90

1.26

2.02

2.83

2.53

3.68

1.24


0.71

E-P-R-C (Sv) with snow-ice melting effects (sowaflup)

-0.3176

N/A

N/A

-0.08

-0.07

-0.05

-0.10

-0.10

-0.04

-


-

LIM ice model













Ice volume Antarctic (10e12 Km3)

14.16

N/A

N/A

0.23

0.23

0.31

0.95

1.03

0.82

-


3.48

Ice volume Arctic (10e12 Km3)

29.38

N/A

N/A

8.10

13.7

9.75

9.28

10.3

7.27

-


13.9

Ice extend Antarctic (10e12 Km2)


N/A

N/A

1.44

1.37

1.58

2.90

2.86

2.44

-


10.2

Ice extend Arctic (10e12 Km2)


N/A

N/A

12.4

12.9

12.0

11.7

11.5

10.8

-


14.5

Ice production Antarctic (10e9 Km3)

0.1050

N/A

N/A

-0.19

-0.24

-0.13

-0.36

-0.15

-0.42

-


-0.37

Ice production Arctic (10e9 Km3)

0.4187

N/A

N/A

-0.06

0.21

0.11

0.20

0.21

-0.14

-


0.33