Performance Indices - Reichler and Kim 2008 - CDO version
OLD VERSION: minor errors in the code
c370 2028 2028

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 17.1088 	land 	CRU	25.13	0.68
msl 	  3.3583 	global 	COADS	11.69	0.28
qnet 	 20.2238 	ocean 	OAFLUX	14.24	1.42
tp 	 41.4911 	global 	CMAP	38.87	1.06
ewss 	  9.4548 	ocean 	DASILVA	4.03	2.34
nsss 	  6.3301 	ocean 	DASILVA	3.10	2.04
SST 	 52.8935 	ocean 	GISS	17.21	3.07
SSS 	  0.1406 	ocean 	levitus	0.22	0.63
SICE 	1575.0121 	ocean 	GISS	0.34	4632.38
T 	 35.6383 	zonal 	ERA40	38.89	0.91
U 	  2.9013 	zonal 	ERA40	12.07	0.24
V 	  2.6437 	zonal 	ERA40	8.25	0.32
Q 	 27.0413 	zonal 	ERA40	29.41	0.91

Total Performance Index is : 357.4061
Partial PI (atm only) is   : 0.6285

Performance Indices - Reichler and Kim 2008 - CDO version
NEW VERSION: windstress, land-sea masks and 100hpa corrections
c370 2028 2028

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 11.8684 	land 	CRU	25.13	0.47
msl 	  3.3583 	global 	COADS	11.69	0.28
qnet 	 19.0972 	ocean 	OAFLUX	14.24	1.34
tp 	 41.4911 	global 	CMAP	38.87	1.06
ewss 	 10.9123 	ocean 	DASILVA	4.03	2.70
nsss 	  5.8917 	ocean 	DASILVA	3.10	1.90
SST 	 52.8935 	ocean 	GISS	17.21	3.07
SSS 	  0.1406 	ocean 	levitus	0.22	0.63
SICE 	1575.0121 	ocean 	GISS	0.34	4632.38
T 	 35.3262 	zonal 	ERA40	38.89	0.90
U 	  2.7921 	zonal 	ERA40	12.07	0.23
V 	  2.5356 	zonal 	ERA40	8.25	0.30
Q 	 22.0182 	zonal 	ERA40	29.41	0.74

Total Performance Index is : 357.3846
Partial PI (atm only) is   : 0.5685