Performance Indices - Reichler and Kim 2008 - CDO version
OLD VERSION: minor errors in the code
c126 2048 2048

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 19.4731 	land 	CRU	25.13	0.77
msl 	  2.0712 	global 	COADS	11.69	0.17
qnet 	 19.6998 	ocean 	OAFLUX	14.24	1.38
tp 	 57.0881 	global 	CMAP	38.87	1.46
ewss 	  8.8910 	ocean 	DASILVA	4.03	2.20
nsss 	  6.4482 	ocean 	DASILVA	3.10	2.08
SST 	 59.5258 	ocean 	GISS	17.21	3.45
SSS 	  0.1872 	ocean 	levitus	0.22	0.85
SICE 	1423.9589 	ocean 	GISS	0.34	4188.11
T 	 42.8043 	zonal 	ERA40	38.89	1.10
U 	  2.7523 	zonal 	ERA40	12.07	0.22
V 	  2.6663 	zonal 	ERA40	8.25	0.32
Q 	 34.1047 	zonal 	ERA40	29.41	1.15

Total Performance Index is : 323.3276
Partial PI (atm only) is   : 0.7414

Performance Indices - Reichler and Kim 2008 - CDO version
NEW VERSION: windstress, land-sea masks and 100hpa corrections
c126 2048 2048

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 13.9520 	land 	CRU	25.13	0.55
msl 	  2.0712 	global 	COADS	11.69	0.17
qnet 	 18.4850 	ocean 	OAFLUX	14.24	1.29
tp 	 57.0881 	global 	CMAP	38.87	1.46
ewss 	  9.3184 	ocean 	DASILVA	4.03	2.31
nsss 	  5.8015 	ocean 	DASILVA	3.10	1.87
SST 	 59.5258 	ocean 	GISS	17.21	3.45
SSS 	  0.1872 	ocean 	levitus	0.22	0.85
SICE 	1423.9589 	ocean 	GISS	0.34	4188.11
T 	 42.5487 	zonal 	ERA40	38.89	1.09
U 	  2.6719 	zonal 	ERA40	12.07	0.22
V 	  2.5792 	zonal 	ERA40	8.25	0.31
Q 	 28.9385 	zonal 	ERA40	29.41	0.98

Total Performance Index is : 323.2815
Partial PI (atm only) is   : 0.6828