Performance Indices - Reichler and Kim 2008 - CDO version
OLD VERSION: minor errors in the code
c126 2029 2029

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 16.3529 	land 	CRU	25.13	0.65
msl 	  1.9657 	global 	COADS	11.69	0.16
qnet 	 20.3319 	ocean 	OAFLUX	14.24	1.42
tp 	 36.4329 	global 	CMAP	38.87	0.93
ewss 	  8.4568 	ocean 	DASILVA	4.03	2.09
nsss 	  6.7001 	ocean 	DASILVA	3.10	2.16
SST 	 48.9868 	ocean 	GISS	17.21	2.84
SSS 	  0.1666 	ocean 	levitus	0.22	0.75
SICE 	1845.6257 	ocean 	GISS	0.34	5428.31
T 	 34.1065 	zonal 	ERA40	38.89	0.87
U 	  2.5433 	zonal 	ERA40	12.07	0.21
V 	  2.2956 	zonal 	ERA40	8.25	0.27
Q 	 29.3235 	zonal 	ERA40	29.41	0.99

Total Performance Index is : 418.5884
Partial PI (atm only) is   : 0.5828

Performance Indices - Reichler and Kim 2008 - CDO version
NEW VERSION: windstress, land-sea masks and 100hpa corrections
c126 2029 2029

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 12.2954 	land 	CRU	25.13	0.48
msl 	  1.9657 	global 	COADS	11.69	0.16
qnet 	 19.1788 	ocean 	OAFLUX	14.24	1.34
tp 	 36.4329 	global 	CMAP	38.87	0.93
ewss 	  9.6304 	ocean 	DASILVA	4.03	2.38
nsss 	  5.9033 	ocean 	DASILVA	3.10	1.90
SST 	 48.9868 	ocean 	GISS	17.21	2.84
SSS 	  0.1666 	ocean 	levitus	0.22	0.75
SICE 	1845.6257 	ocean 	GISS	0.34	5428.31
T 	 33.8181 	zonal 	ERA40	38.89	0.86
U 	  2.3836 	zonal 	ERA40	12.07	0.19
V 	  2.2073 	zonal 	ERA40	8.25	0.26
Q 	 24.2241 	zonal 	ERA40	29.41	0.82

Total Performance Index is : 418.5553
Partial PI (atm only) is   : 0.5285