Performance Indices - Reichler and Kim 2008 - CDO version
OLD VERSION: minor errors in the code
c585 2029 2029

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 17.4776 	land 	CRU	25.13	0.69
msl 	  2.2727 	global 	COADS	11.69	0.19
qnet 	 20.2194 	ocean 	OAFLUX	14.24	1.41
tp 	 41.8550 	global 	CMAP	38.87	1.07
ewss 	  8.1797 	ocean 	DASILVA	4.03	2.02
nsss 	  6.2103 	ocean 	DASILVA	3.10	2.00
SST 	 54.1874 	ocean 	GISS	17.21	3.14
SSS 	  0.1697 	ocean 	levitus	0.22	0.77
SICE 	1682.5234 	ocean 	GISS	0.34	4948.59
T 	 35.0982 	zonal 	ERA40	38.89	0.90
U 	  3.2393 	zonal 	ERA40	12.07	0.26
V 	  2.4816 	zonal 	ERA40	8.25	0.30
Q 	 28.9293 	zonal 	ERA40	29.41	0.98

Total Performance Index is : 381.7169
Partial PI (atm only) is   : 0.6271

Performance Indices - Reichler and Kim 2008 - CDO version
NEW VERSION: windstress, land-sea masks and 100hpa corrections
c585 2029 2029

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 13.2178 	land 	CRU	25.13	0.52
msl 	  2.2727 	global 	COADS	11.69	0.19
qnet 	 19.0198 	ocean 	OAFLUX	14.24	1.33
tp 	 41.8550 	global 	CMAP	38.87	1.07
ewss 	  8.8609 	ocean 	DASILVA	4.03	2.19
nsss 	  5.5549 	ocean 	DASILVA	3.10	1.79
SST 	 54.1874 	ocean 	GISS	17.21	3.14
SSS 	  0.1697 	ocean 	levitus	0.22	0.77
SICE 	1682.5234 	ocean 	GISS	0.34	4948.59
T 	 34.8513 	zonal 	ERA40	38.89	0.89
U 	  3.1232 	zonal 	ERA40	12.07	0.25
V 	  2.3724 	zonal 	ERA40	8.25	0.28
Q 	 24.2377 	zonal 	ERA40	29.41	0.82

Total Performance Index is : 381.6792
Partial PI (atm only) is   : 0.5742