Performance Indices - Reichler and Kim 2008 - CDO version
OLD VERSION: minor errors in the code
vhis 2009 2009

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 18.7779 	land 	CRU	25.13	0.74
msl 	  2.6719 	global 	COADS	11.69	0.22
qnet 	 20.0173 	ocean 	OAFLUX	14.24	1.40
tp 	 40.1004 	global 	CMAP	38.87	1.03
ewss 	  8.1660 	ocean 	DASILVA	4.03	2.02
nsss 	  5.6797 	ocean 	DASILVA	3.10	1.83
SST 	 35.3003 	ocean 	GISS	17.21	2.05
SSS 	  0.1250 	ocean 	levitus	0.22	0.56
SICE 	2075.8931 	ocean 	GISS	0.34	6105.56
T 	 19.2680 	zonal 	ERA40	38.89	0.49
U 	  3.8363 	zonal 	ERA40	12.07	0.31
V 	  2.8217 	zonal 	ERA40	8.25	0.34
Q 	 23.8845 	zonal 	ERA40	29.41	0.81

Total Performance Index is : 470.5661
Partial PI (atm only) is   : 0.5628

Performance Indices - Reichler and Kim 2008 - CDO version
NEW VERSION: windstress, land-sea masks and 100hpa corrections
vhis 2009 2009

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 16.1722 	land 	CRU	25.13	0.64
msl 	  2.6719 	global 	COADS	11.69	0.22
qnet 	 18.8055 	ocean 	OAFLUX	14.24	1.32
tp 	 40.1004 	global 	CMAP	38.87	1.03
ewss 	  8.4792 	ocean 	DASILVA	4.03	2.10
nsss 	  5.2949 	ocean 	DASILVA	3.10	1.70
SST 	 35.3003 	ocean 	GISS	17.21	2.05
SSS 	  0.1250 	ocean 	levitus	0.22	0.56
SICE 	2075.8931 	ocean 	GISS	0.34	6105.56
T 	 18.7465 	zonal 	ERA40	38.89	0.48
U 	  3.6889 	zonal 	ERA40	12.07	0.30
V 	  2.6994 	zonal 	ERA40	8.25	0.32
Q 	 18.1646 	zonal 	ERA40	29.41	0.61

Total Performance Index is : 470.5300
Partial PI (atm only) is   : 0.5142