Performance Indices - Reichler and Kim 2008 - CDO version
OLD VERSION: minor errors in the code
vhis 1890 1890

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 23.0290 	land 	CRU	25.13	0.91
msl 	  2.8447 	global 	COADS	11.69	0.24
qnet 	 19.6400 	ocean 	OAFLUX	14.24	1.37
tp 	 39.9857 	global 	CMAP	38.87	1.02
ewss 	  8.5656 	ocean 	DASILVA	4.03	2.12
nsss 	  5.9320 	ocean 	DASILVA	3.10	1.91
SST 	 31.3907 	ocean 	GISS	17.21	1.82
SSS 	  0.1261 	ocean 	levitus	0.22	0.57
SICE 	2394.3384 	ocean 	GISS	0.34	7042.17
T 	 23.7796 	zonal 	ERA40	38.89	0.61
U 	  3.9062 	zonal 	ERA40	12.07	0.32
V 	  2.5857 	zonal 	ERA40	8.25	0.31
Q 	 32.0193 	zonal 	ERA40	29.41	1.08

Total Performance Index is : 542.6500
Partial PI (atm only) is   : 0.6414

Performance Indices - Reichler and Kim 2008 - CDO version
NEW VERSION: windstress, land-sea masks and 100hpa corrections
vhis 1890 1890

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 22.0106 	land 	CRU	25.13	0.87
msl 	  2.8447 	global 	COADS	11.69	0.24
qnet 	 18.4327 	ocean 	OAFLUX	14.24	1.29
tp 	 39.9857 	global 	CMAP	38.87	1.02
ewss 	  8.7194 	ocean 	DASILVA	4.03	2.16
nsss 	  5.4171 	ocean 	DASILVA	3.10	1.74
SST 	 31.3907 	ocean 	GISS	17.21	1.82
SSS 	  0.1261 	ocean 	levitus	0.22	0.57
SICE 	2394.3384 	ocean 	GISS	0.34	7042.17
T 	 21.6567 	zonal 	ERA40	38.89	0.55
U 	  3.6340 	zonal 	ERA40	12.07	0.30
V 	  2.4699 	zonal 	ERA40	8.25	0.29
Q 	 24.5307 	zonal 	ERA40	29.41	0.83

Total Performance Index is : 542.6038
Partial PI (atm only) is   : 0.5857