Performance Indices - Reichler and Kim 2008 - CDO version
OLD VERSION: minor errors in the code
c126 2032 2032

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 16.6783 	land 	CRU	25.13	0.66
msl 	  2.8136 	global 	COADS	11.69	0.24
qnet 	 19.5936 	ocean 	OAFLUX	14.24	1.37
tp 	 41.3195 	global 	CMAP	38.87	1.06
ewss 	  8.8836 	ocean 	DASILVA	4.03	2.20
nsss 	  6.7378 	ocean 	DASILVA	3.10	2.17
SST 	 54.4141 	ocean 	GISS	17.21	3.16
SSS 	  0.1481 	ocean 	levitus	0.22	0.67
SICE 	1654.1842 	ocean 	GISS	0.34	4865.24
T 	 36.0105 	zonal 	ERA40	38.89	0.92
U 	  3.2219 	zonal 	ERA40	12.07	0.26
V 	  2.4256 	zonal 	ERA40	8.25	0.29
Q 	 29.7610 	zonal 	ERA40	29.41	1.01

Total Performance Index is : 375.3269
Partial PI (atm only) is   : 0.6342

Performance Indices - Reichler and Kim 2008 - CDO version
NEW VERSION: windstress, land-sea masks and 100hpa corrections
c126 2032 2032

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 11.4391 	land 	CRU	25.13	0.45
msl 	  2.8136 	global 	COADS	11.69	0.24
qnet 	 18.3837 	ocean 	OAFLUX	14.24	1.29
tp 	 41.3195 	global 	CMAP	38.87	1.06
ewss 	  9.8959 	ocean 	DASILVA	4.03	2.45
nsss 	  5.8593 	ocean 	DASILVA	3.10	1.89
SST 	 54.4141 	ocean 	GISS	17.21	3.16
SSS 	  0.1481 	ocean 	levitus	0.22	0.67
SICE 	1654.1842 	ocean 	GISS	0.34	4865.24
T 	 35.7264 	zonal 	ERA40	38.89	0.91
U 	  3.0910 	zonal 	ERA40	12.07	0.25
V 	  2.3004 	zonal 	ERA40	8.25	0.27
Q 	 24.5563 	zonal 	ERA40	29.41	0.83

Total Performance Index is : 375.2853
Partial PI (atm only) is   : 0.5728