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

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 14.9719 	land 	CRU	25.13	0.59
msl 	  2.0415 	global 	COADS	11.69	0.17
qnet 	 20.8693 	ocean 	OAFLUX	14.24	1.46
tp 	 40.8215 	global 	CMAP	38.87	1.05
ewss 	  8.8309 	ocean 	DASILVA	4.03	2.19
nsss 	  5.8455 	ocean 	DASILVA	3.10	1.88
SST 	 39.9839 	ocean 	GISS	17.21	2.32
SSS 	  0.1473 	ocean 	levitus	0.22	0.66
SICE 	1741.0053 	ocean 	GISS	0.34	5120.60
T 	 24.0898 	zonal 	ERA40	38.89	0.61
U 	  2.3674 	zonal 	ERA40	12.07	0.19
V 	  2.2904 	zonal 	ERA40	8.25	0.27
Q 	 25.0317 	zonal 	ERA40	29.41	0.85

Total Performance Index is : 394.8338
Partial PI (atm only) is   : 0.5328

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

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 12.3077 	land 	CRU	25.13	0.48
msl 	  2.0415 	global 	COADS	11.69	0.17
qnet 	 19.6931 	ocean 	OAFLUX	14.24	1.38
tp 	 40.8215 	global 	CMAP	38.87	1.05
ewss 	  9.3190 	ocean 	DASILVA	4.03	2.31
nsss 	  5.2402 	ocean 	DASILVA	3.10	1.69
SST 	 39.9839 	ocean 	GISS	17.21	2.32
SSS 	  0.1473 	ocean 	levitus	0.22	0.66
SICE 	1741.0053 	ocean 	GISS	0.34	5120.60
T 	 23.6405 	zonal 	ERA40	38.89	0.60
U 	  2.2844 	zonal 	ERA40	12.07	0.18
V 	  2.2053 	zonal 	ERA40	8.25	0.26
Q 	 19.7200 	zonal 	ERA40	29.41	0.67

Total Performance Index is : 394.7976
Partial PI (atm only) is   : 0.4871