Performance Indices - Reichler and Kim 2008 - CDO version
OLD VERSION: minor errors in the code
v585 2028 2028

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 18.3594 	land 	CRU	25.13	0.73
msl 	  1.6351 	global 	COADS	11.69	0.13
qnet 	 19.7859 	ocean 	OAFLUX	14.24	1.38
tp 	 38.3462 	global 	CMAP	38.87	0.98
ewss 	  7.9959 	ocean 	DASILVA	4.03	1.98
nsss 	  6.1241 	ocean 	DASILVA	3.10	1.97
SST 	 56.7432 	ocean 	GISS	17.21	3.29
SSS 	  0.1689 	ocean 	levitus	0.22	0.76
SICE 	1644.2445 	ocean 	GISS	0.34	4836.01
T 	 41.7355 	zonal 	ERA40	38.89	1.07
U 	  3.3345 	zonal 	ERA40	12.07	0.27
V 	  2.3763 	zonal 	ERA40	8.25	0.28
Q 	 30.0886 	zonal 	ERA40	29.41	1.02

Total Performance Index is : 373.0669
Partial PI (atm only) is   : 0.6400

Performance Indices - Reichler and Kim 2008 - CDO version
NEW VERSION: windstress, land-sea masks and 100hpa corrections
v585 2028 2028

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 12.0888 	land 	CRU	25.13	0.48
msl 	  1.6351 	global 	COADS	11.69	0.13
qnet 	 18.6210 	ocean 	OAFLUX	14.24	1.30
tp 	 38.3462 	global 	CMAP	38.87	0.98
ewss 	  9.2191 	ocean 	DASILVA	4.03	2.28
nsss 	  5.1543 	ocean 	DASILVA	3.10	1.66
SST 	 56.7432 	ocean 	GISS	17.21	3.29
SSS 	  0.1689 	ocean 	levitus	0.22	0.76
SICE 	1644.2445 	ocean 	GISS	0.34	4836.01
T 	 41.4951 	zonal 	ERA40	38.89	1.06
U 	  3.2269 	zonal 	ERA40	12.07	0.26
V 	  2.2687 	zonal 	ERA40	8.25	0.27
Q 	 25.5945 	zonal 	ERA40	29.41	0.87

Total Performance Index is : 373.0269
Partial PI (atm only) is   : 0.5785