Performance Indices - Reichler and Kim 2008 - CDO version
OLD VERSION: minor errors in the code
vhis 1859 1859

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 31.8027 	land 	CRU	25.13	1.26
msl 	  2.6352 	global 	COADS	11.69	0.22
qnet 	 20.5476 	ocean 	OAFLUX	14.24	1.44
tp 	 35.7580 	global 	CMAP	38.87	0.91
ewss 	  8.0263 	ocean 	DASILVA	4.03	1.99
nsss 	  6.6013 	ocean 	DASILVA	3.10	2.12
SST 	 32.2998 	ocean 	GISS	17.21	1.87
SSS 	  0.1890 	ocean 	levitus	0.22	0.85
SICE 	2706.7506 	ocean 	GISS	0.34	7961.03
T 	 29.0012 	zonal 	ERA40	38.89	0.74
U 	  3.4777 	zonal 	ERA40	12.07	0.28
V 	  2.4647 	zonal 	ERA40	8.25	0.29
Q 	 37.0977 	zonal 	ERA40	29.41	1.26

Total Performance Index is : 613.4046
Partial PI (atm only) is   : 0.7085

Performance Indices - Reichler and Kim 2008 - CDO version
NEW VERSION: windstress, land-sea masks and 100hpa corrections
vhis 1859 1859

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 31.0842 	land 	CRU	25.13	1.23
msl 	  2.6352 	global 	COADS	11.69	0.22
qnet 	 19.3533 	ocean 	OAFLUX	14.24	1.35
tp 	 35.7580 	global 	CMAP	38.87	0.91
ewss 	  7.6607 	ocean 	DASILVA	4.03	1.90
nsss 	  5.6900 	ocean 	DASILVA	3.10	1.83
SST 	 32.2998 	ocean 	GISS	17.21	1.87
SSS 	  0.1890 	ocean 	levitus	0.22	0.85
SICE 	2706.7506 	ocean 	GISS	0.34	7961.03
T 	 26.8510 	zonal 	ERA40	38.89	0.69
U 	  3.1644 	zonal 	ERA40	12.07	0.26
V 	  2.3355 	zonal 	ERA40	8.25	0.28
Q 	 29.7169 	zonal 	ERA40	29.41	1.01

Total Performance Index is : 613.3407
Partial PI (atm only) is   : 0.6571