Performance Indices - Reichler and Kim 2008 - CDO version
OLD VERSION: minor errors in the code
vhis 1879 1879

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 25.2891 	land 	CRU	25.13	1.00
msl 	  2.7233 	global 	COADS	11.69	0.23
qnet 	 21.6225 	ocean 	OAFLUX	14.24	1.51
tp 	 40.0813 	global 	CMAP	38.87	1.03
ewss 	  9.8717 	ocean 	DASILVA	4.03	2.44
nsss 	  6.5042 	ocean 	DASILVA	3.10	2.09
SST 	 26.7104 	ocean 	GISS	17.21	1.55
SSS 	  0.1370 	ocean 	levitus	0.22	0.62
SICE 	2565.1464 	ocean 	GISS	0.34	7544.54
T 	 22.8854 	zonal 	ERA40	38.89	0.58
U 	  5.0215 	zonal 	ERA40	12.07	0.41
V 	  2.8135 	zonal 	ERA40	8.25	0.34
Q 	 31.5601 	zonal 	ERA40	29.41	1.07

Total Performance Index is : 581.3392
Partial PI (atm only) is   : 0.6657

Performance Indices - Reichler and Kim 2008 - CDO version
NEW VERSION: windstress, land-sea masks and 100hpa corrections
vhis 1879 1879

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 23.5704 	land 	CRU	25.13	0.93
msl 	  2.7233 	global 	COADS	11.69	0.23
qnet 	 20.5145 	ocean 	OAFLUX	14.24	1.44
tp 	 40.0813 	global 	CMAP	38.87	1.03
ewss 	 10.1753 	ocean 	DASILVA	4.03	2.52
nsss 	  5.5328 	ocean 	DASILVA	3.10	1.78
SST 	 26.7104 	ocean 	GISS	17.21	1.55
SSS 	  0.1370 	ocean 	levitus	0.22	0.62
SICE 	2565.1464 	ocean 	GISS	0.34	7544.54
T 	 20.6566 	zonal 	ERA40	38.89	0.53
U 	  4.7372 	zonal 	ERA40	12.07	0.39
V 	  2.6918 	zonal 	ERA40	8.25	0.32
Q 	 24.0945 	zonal 	ERA40	29.41	0.81

Total Performance Index is : 581.2838
Partial PI (atm only) is   : 0.6057