Performance Indices - Reichler and Kim 2008 - CDO version
OLD VERSION: minor errors in the code
c119 2083 2083

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 17.6717 	land 	CRU	25.13	0.70
msl 	  3.3701 	global 	COADS	11.69	0.28
qnet 	 19.6356 	ocean 	OAFLUX	14.24	1.37
tp 	 36.3290 	global 	CMAP	38.87	0.93
ewss 	  8.4554 	ocean 	DASILVA	4.03	2.09
nsss 	  6.0080 	ocean 	DASILVA	3.10	1.93
SST 	 58.4530 	ocean 	GISS	17.21	3.39
SSS 	  0.1808 	ocean 	levitus	0.22	0.82
SICE 	1521.9032 	ocean 	GISS	0.34	4476.18
T 	 39.7513 	zonal 	ERA40	38.89	1.02
U 	  3.0543 	zonal 	ERA40	12.07	0.25
V 	  2.1019 	zonal 	ERA40	8.25	0.25
Q 	 31.7100 	zonal 	ERA40	29.41	1.07

Total Performance Index is : 345.4061
Partial PI (atm only) is   : 0.6428

Performance Indices - Reichler and Kim 2008 - CDO version
NEW VERSION: windstress, land-sea masks and 100hpa corrections
c119 2083 2083

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 12.2050 	land 	CRU	25.13	0.48
msl 	  3.3701 	global 	COADS	11.69	0.28
qnet 	 18.4695 	ocean 	OAFLUX	14.24	1.29
tp 	 36.3290 	global 	CMAP	38.87	0.93
ewss 	  9.1965 	ocean 	DASILVA	4.03	2.28
nsss 	  5.6666 	ocean 	DASILVA	3.10	1.82
SST 	 58.4530 	ocean 	GISS	17.21	3.39
SSS 	  0.1808 	ocean 	levitus	0.22	0.82
SICE 	1521.9032 	ocean 	GISS	0.34	4476.18
T 	 39.2174 	zonal 	ERA40	38.89	1.00
U 	  2.9190 	zonal 	ERA40	12.07	0.24
V 	  2.0019 	zonal 	ERA40	8.25	0.24
Q 	 25.8054 	zonal 	ERA40	29.41	0.87

Total Performance Index is : 345.3707
Partial PI (atm only) is   : 0.5771