Performance Indices - Reichler and Kim 2008 - CDO version
OLD VERSION: minor errors in the code
vhis 1983 1983

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 29.0524 	land 	CRU	25.13	1.15
msl 	  3.3797 	global 	COADS	11.69	0.28
qnet 	 20.7395 	ocean 	OAFLUX	14.24	1.45
tp 	 37.3593 	global 	CMAP	38.87	0.96
ewss 	  8.2422 	ocean 	DASILVA	4.03	2.04
nsss 	  5.4106 	ocean 	DASILVA	3.10	1.74
SST 	 33.9007 	ocean 	GISS	17.21	1.96
SSS 	  0.1561 	ocean 	levitus	0.22	0.70
SICE 	2695.5420 	ocean 	GISS	0.34	7928.06
T 	 25.8491 	zonal 	ERA40	38.89	0.66
U 	  6.2889 	zonal 	ERA40	12.07	0.52
V 	  3.1799 	zonal 	ERA40	8.25	0.38
Q 	 34.7845 	zonal 	ERA40	29.41	1.18

Total Performance Index is : 610.8523
Partial PI (atm only) is   : 0.7328

Performance Indices - Reichler and Kim 2008 - CDO version
NEW VERSION: windstress, land-sea masks and 100hpa corrections
vhis 1983 1983

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 29.0443 	land 	CRU	25.13	1.15
msl 	  3.3797 	global 	COADS	11.69	0.28
qnet 	 19.5179 	ocean 	OAFLUX	14.24	1.37
tp 	 37.3593 	global 	CMAP	38.87	0.96
ewss 	  8.2884 	ocean 	DASILVA	4.03	2.05
nsss 	  4.9207 	ocean 	DASILVA	3.10	1.58
SST 	 33.9007 	ocean 	GISS	17.21	1.96
SSS 	  0.1561 	ocean 	levitus	0.22	0.70
SICE 	2695.5420 	ocean 	GISS	0.34	7928.06
T 	 24.6218 	zonal 	ERA40	38.89	0.63
U 	  6.0316 	zonal 	ERA40	12.07	0.49
V 	  3.0580 	zonal 	ERA40	8.25	0.37
Q 	 28.5484 	zonal 	ERA40	29.41	0.97

Total Performance Index is : 610.8130
Partial PI (atm only) is   : 0.6928