Performance Indices - Reichler and Kim 2008 - CDO version
OLD VERSION: minor errors in the code
c4co 1854 1854

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 54.6882 	land 	CRU	25.13	2.17
msl 	  1.5400 	global 	COADS	11.69	0.13
qnet 	 17.2554 	ocean 	OAFLUX	14.24	1.21
tp 	 45.0156 	global 	CMAP	38.87	1.15
ewss 	  8.3274 	ocean 	DASILVA	4.03	2.06
nsss 	  6.2853 	ocean 	DASILVA	3.10	2.02
SST 	 91.7896 	ocean 	GISS	17.21	5.33
SSS 	  0.2220 	ocean 	levitus	0.22	1.00
SICE 	1227.1849 	ocean 	GISS	0.34	3609.36
T 	111.0715 	zonal 	ERA40	38.89	2.85
U 	  2.7677 	zonal 	ERA40	12.07	0.22
V 	  2.3258 	zonal 	ERA40	8.25	0.28
Q 	 70.1156 	zonal 	ERA40	29.41	2.38

Total Performance Index is : 279.2430
Partial PI (atm only) is   : 1.3114

Performance Indices - Reichler and Kim 2008 - CDO version
NEW VERSION: windstress, land-sea masks and 100hpa corrections
c4co 1854 1854

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 44.1806 	land 	CRU	25.13	1.75
msl 	  1.5400 	global 	COADS	11.69	0.13
qnet 	 16.0273 	ocean 	OAFLUX	14.24	1.12
tp 	 45.0156 	global 	CMAP	38.87	1.15
ewss 	  8.3772 	ocean 	DASILVA	4.03	2.07
nsss 	  5.4465 	ocean 	DASILVA	3.10	1.75
SST 	 91.7896 	ocean 	GISS	17.21	5.33
SSS 	  0.2220 	ocean 	levitus	0.22	1.00
SICE 	1227.1849 	ocean 	GISS	0.34	3609.36
T 	110.1529 	zonal 	ERA40	38.89	2.83
U 	  2.6245 	zonal 	ERA40	12.07	0.21
V 	  2.2321 	zonal 	ERA40	8.25	0.27
Q 	 65.2422 	zonal 	ERA40	29.41	2.21

Total Performance Index is : 279.1676
Partial PI (atm only) is   : 1.2214