Performance Indices - Reichler and Kim 2008 - CDO version
OLD VERSION: minor errors in the code
c4co 2013 2013

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	324.9690 	land 	CRU	25.13	12.93
msl 	  5.9440 	global 	COADS	11.69	0.50
qnet 	 22.3443 	ocean 	OAFLUX	14.24	1.56
tp 	 63.7587 	global 	CMAP	38.87	1.64
ewss 	  9.8303 	ocean 	DASILVA	4.03	2.43
nsss 	  7.4572 	ocean 	DASILVA	3.10	2.40
SST 	443.8168 	ocean 	GISS	17.21	25.78
SSS 	  0.4292 	ocean 	levitus	0.22	1.95
SICE 	 16.0716 	ocean 	GISS	0.34	47.26
T 	586.8944 	zonal 	ERA40	38.89	15.09
U 	  9.9701 	zonal 	ERA40	12.07	0.82
V 	  5.1868 	zonal 	ERA40	8.25	0.62
Q 	641.3290 	zonal 	ERA40	29.41	21.80

Total Performance Index is : 10.3676
Partial PI (atm only) is   : 7.6285

Performance Indices - Reichler and Kim 2008 - CDO version
NEW VERSION: windstress, land-sea masks and 100hpa corrections
c4co 2013 2013

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	248.1820 	land 	CRU	25.13	9.87
msl 	  5.9440 	global 	COADS	11.69	0.50
qnet 	 21.3412 	ocean 	OAFLUX	14.24	1.49
tp 	 63.7587 	global 	CMAP	38.87	1.64
ewss 	 11.2581 	ocean 	DASILVA	4.03	2.79
nsss 	  6.8505 	ocean 	DASILVA	3.10	2.20
SST 	443.8168 	ocean 	GISS	17.21	25.78
SSS 	  0.4292 	ocean 	levitus	0.22	1.95
SICE 	 16.0716 	ocean 	GISS	0.34	47.26
T 	585.6177 	zonal 	ERA40	38.89	15.05
U 	  8.1954 	zonal 	ERA40	12.07	0.67
V 	  5.0915 	zonal 	ERA40	8.25	0.61
Q 	639.5021 	zonal 	ERA40	29.41	21.74

Total Performance Index is : 10.1192
Partial PI (atm only) is   : 7.1542