Performance Indices - Reichler and Kim 2008 - CDO version
OLD VERSION: minor errors in the code
c370 2050 2050

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 27.7924 	land 	CRU	25.13	1.10
msl 	  1.8604 	global 	COADS	11.69	0.15
qnet 	 20.3095 	ocean 	OAFLUX	14.24	1.42
tp 	 52.6228 	global 	CMAP	38.87	1.35
ewss 	  7.9098 	ocean 	DASILVA	4.03	1.96
nsss 	  6.5979 	ocean 	DASILVA	3.10	2.12
SST 	 82.7741 	ocean 	GISS	17.21	4.80
SSS 	  0.2037 	ocean 	levitus	0.22	0.92
SICE 	1315.8291 	ocean 	GISS	0.34	3870.08
T 	 71.9533 	zonal 	ERA40	38.89	1.85
U 	  3.3812 	zonal 	ERA40	12.07	0.28
V 	  2.3201 	zonal 	ERA40	8.25	0.28
Q 	 49.4517 	zonal 	ERA40	29.41	1.68

Total Performance Index is : 299.0761
Partial PI (atm only) is   : 0.9557

Performance Indices - Reichler and Kim 2008 - CDO version
NEW VERSION: windstress, land-sea masks and 100hpa corrections
c370 2050 2050

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 17.9667 	land 	CRU	25.13	0.71
msl 	  1.8604 	global 	COADS	11.69	0.15
qnet 	 19.1215 	ocean 	OAFLUX	14.24	1.34
tp 	 52.6228 	global 	CMAP	38.87	1.35
ewss 	  8.7109 	ocean 	DASILVA	4.03	2.16
nsss 	  5.5403 	ocean 	DASILVA	3.10	1.78
SST 	 82.7741 	ocean 	GISS	17.21	4.80
SSS 	  0.2037 	ocean 	levitus	0.22	0.92
SICE 	1315.8291 	ocean 	GISS	0.34	3870.08
T 	 71.8510 	zonal 	ERA40	38.89	1.84
U 	  3.2055 	zonal 	ERA40	12.07	0.26
V 	  2.2372 	zonal 	ERA40	8.25	0.27
Q 	 46.1290 	zonal 	ERA40	29.41	1.56

Total Performance Index is : 299.0169
Partial PI (atm only) is   : 0.8771