Performance Indices - Reichler and Kim 2008 - CDO version
OLD VERSION: minor errors in the code
c126 2080 2080

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 24.6462 	land 	CRU	25.13	0.98
msl 	  1.7106 	global 	COADS	11.69	0.14
qnet 	 20.4309 	ocean 	OAFLUX	14.24	1.43
tp 	 43.7464 	global 	CMAP	38.87	1.12
ewss 	  8.9775 	ocean 	DASILVA	4.03	2.22
nsss 	  6.4504 	ocean 	DASILVA	3.10	2.08
SST 	 70.2217 	ocean 	GISS	17.21	4.08
SSS 	  0.1851 	ocean 	levitus	0.22	0.84
SICE 	1188.1194 	ocean 	GISS	0.34	3494.46
T 	 55.8053 	zonal 	ERA40	38.89	1.43
U 	  2.9008 	zonal 	ERA40	12.07	0.24
V 	  2.5646 	zonal 	ERA40	8.25	0.31
Q 	 39.9404 	zonal 	ERA40	29.41	1.35

Total Performance Index is : 270.0523
Partial PI (atm only) is   : 0.7957

Performance Indices - Reichler and Kim 2008 - CDO version
NEW VERSION: windstress, land-sea masks and 100hpa corrections
c126 2080 2080

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 17.8697 	land 	CRU	25.13	0.71
msl 	  1.7106 	global 	COADS	11.69	0.14
qnet 	 19.2968 	ocean 	OAFLUX	14.24	1.35
tp 	 43.7464 	global 	CMAP	38.87	1.12
ewss 	 10.2569 	ocean 	DASILVA	4.03	2.54
nsss 	  5.9394 	ocean 	DASILVA	3.10	1.91
SST 	 70.2217 	ocean 	GISS	17.21	4.08
SSS 	  0.1851 	ocean 	levitus	0.22	0.84
SICE 	1188.1194 	ocean 	GISS	0.34	3494.46
T 	 55.5034 	zonal 	ERA40	38.89	1.42
U 	  2.7350 	zonal 	ERA40	12.07	0.22
V 	  2.4475 	zonal 	ERA40	8.25	0.29
Q 	 34.5105 	zonal 	ERA40	29.41	1.17

Total Performance Index is : 270.0192
Partial PI (atm only) is   : 0.7242