Performance Indices - Reichler and Kim 2008 - CDO version
OLD VERSION: minor errors in the code
c126 2039 2039

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 19.9310 	land 	CRU	25.13	0.79
msl 	  1.8932 	global 	COADS	11.69	0.16
qnet 	 20.3478 	ocean 	OAFLUX	14.24	1.42
tp 	 42.9924 	global 	CMAP	38.87	1.10
ewss 	  8.5085 	ocean 	DASILVA	4.03	2.11
nsss 	  6.0619 	ocean 	DASILVA	3.10	1.95
SST 	 60.8680 	ocean 	GISS	17.21	3.53
SSS 	  0.1892 	ocean 	levitus	0.22	0.86
SICE 	1536.3117 	ocean 	GISS	0.34	4518.56
T 	 45.9203 	zonal 	ERA40	38.89	1.18
U 	  2.9048 	zonal 	ERA40	12.07	0.24
V 	  2.6163 	zonal 	ERA40	8.25	0.31
Q 	 34.2588 	zonal 	ERA40	29.41	1.16

Total Performance Index is : 348.7207
Partial PI (atm only) is   : 0.7057

Performance Indices - Reichler and Kim 2008 - CDO version
NEW VERSION: windstress, land-sea masks and 100hpa corrections
c126 2039 2039

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 14.7382 	land 	CRU	25.13	0.58
msl 	  1.8932 	global 	COADS	11.69	0.16
qnet 	 19.1896 	ocean 	OAFLUX	14.24	1.34
tp 	 42.9924 	global 	CMAP	38.87	1.10
ewss 	  9.3483 	ocean 	DASILVA	4.03	2.31
nsss 	  5.5484 	ocean 	DASILVA	3.10	1.78
SST 	 60.8680 	ocean 	GISS	17.21	3.53
SSS 	  0.1892 	ocean 	levitus	0.22	0.86
SICE 	1536.3117 	ocean 	GISS	0.34	4518.56
T 	 45.6819 	zonal 	ERA40	38.89	1.17
U 	  2.7838 	zonal 	ERA40	12.07	0.23
V 	  2.4938 	zonal 	ERA40	8.25	0.30
Q 	 29.3011 	zonal 	ERA40	29.41	0.99

Total Performance Index is : 348.6853
Partial PI (atm only) is   : 0.6471