Performance Indices - Reichler and Kim 2008 - CDO version
OLD VERSION: minor errors in the code
c245 2022 2022

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 14.1523 	land 	CRU	25.13	0.56
msl 	  1.7139 	global 	COADS	11.69	0.14
qnet 	 19.9387 	ocean 	OAFLUX	14.24	1.40
tp 	 43.9169 	global 	CMAP	38.87	1.12
ewss 	  8.3338 	ocean 	DASILVA	4.03	2.06
nsss 	  5.6551 	ocean 	DASILVA	3.10	1.82
SST 	 48.6544 	ocean 	GISS	17.21	2.82
SSS 	  0.1473 	ocean 	levitus	0.22	0.66
SICE 	1818.2439 	ocean 	GISS	0.34	5347.77
T 	 29.5951 	zonal 	ERA40	38.89	0.76
U 	  1.6811 	zonal 	ERA40	12.07	0.13
V 	  2.0479 	zonal 	ERA40	8.25	0.24
Q 	 26.2599 	zonal 	ERA40	29.41	0.89

Total Performance Index is : 412.3361
Partial PI (atm only) is   : 0.5485

Performance Indices - Reichler and Kim 2008 - CDO version
NEW VERSION: windstress, land-sea masks and 100hpa corrections
c245 2022 2022

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 10.3899 	land 	CRU	25.13	0.41
msl 	  1.7139 	global 	COADS	11.69	0.14
qnet 	 18.7748 	ocean 	OAFLUX	14.24	1.31
tp 	 43.9169 	global 	CMAP	38.87	1.12
ewss 	  8.8698 	ocean 	DASILVA	4.03	2.20
nsss 	  4.8866 	ocean 	DASILVA	3.10	1.57
SST 	 48.6544 	ocean 	GISS	17.21	2.82
SSS 	  0.1473 	ocean 	levitus	0.22	0.66
SICE 	1818.2439 	ocean 	GISS	0.34	5347.77
T 	 29.1921 	zonal 	ERA40	38.89	0.75
U 	  1.5959 	zonal 	ERA40	12.07	0.13
V 	  1.9489 	zonal 	ERA40	8.25	0.23
Q 	 21.0611 	zonal 	ERA40	29.41	0.71

Total Performance Index is : 412.2938
Partial PI (atm only) is   : 0.4985