Performance Indices - Reichler and Kim 2008 - CDO version
OLD VERSION: minor errors in the code
c370 2051 2051

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 30.3512 	land 	CRU	25.13	1.20
msl 	  2.1022 	global 	COADS	11.69	0.17
qnet 	 18.5104 	ocean 	OAFLUX	14.24	1.29
tp 	 41.5316 	global 	CMAP	38.87	1.06
ewss 	  8.4876 	ocean 	DASILVA	4.03	2.10
nsss 	  6.2694 	ocean 	DASILVA	3.10	2.02
SST 	 81.4736 	ocean 	GISS	17.21	4.73
SSS 	  0.2151 	ocean 	levitus	0.22	0.97
SICE 	1025.5884 	ocean 	GISS	0.34	3016.43
T 	 68.7850 	zonal 	ERA40	38.89	1.76
U 	  3.1439 	zonal 	ERA40	12.07	0.26
V 	  2.6035 	zonal 	ERA40	8.25	0.31
Q 	 46.8633 	zonal 	ERA40	29.41	1.59

Total Performance Index is : 233.3761
Partial PI (atm only) is   : 0.9071

Performance Indices - Reichler and Kim 2008 - CDO version
NEW VERSION: windstress, land-sea masks and 100hpa corrections
c370 2051 2051

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 19.5388 	land 	CRU	25.13	0.77
msl 	  2.1022 	global 	COADS	11.69	0.17
qnet 	 17.2656 	ocean 	OAFLUX	14.24	1.21
tp 	 41.5316 	global 	CMAP	38.87	1.06
ewss 	 10.0742 	ocean 	DASILVA	4.03	2.49
nsss 	  5.3513 	ocean 	DASILVA	3.10	1.72
SST 	 81.4736 	ocean 	GISS	17.21	4.73
SSS 	  0.2151 	ocean 	levitus	0.22	0.97
SICE 	1025.5884 	ocean 	GISS	0.34	3016.43
T 	 68.6897 	zonal 	ERA40	38.89	1.76
U 	  2.9764 	zonal 	ERA40	12.07	0.24
V 	  2.5047 	zonal 	ERA40	8.25	0.30
Q 	 43.3742 	zonal 	ERA40	29.41	1.47

Total Performance Index is : 233.3323
Partial PI (atm only) is   : 0.8242