Performance Indices - Reichler and Kim 2008 - CDO version
OLD VERSION: minor errors in the code
vhis 2011 2011

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 15.2915 	land 	CRU	25.13	0.60
msl 	  1.4957 	global 	COADS	11.69	0.12
qnet 	 20.4789 	ocean 	OAFLUX	14.24	1.43
tp 	 35.2178 	global 	CMAP	38.87	0.90
ewss 	  8.0756 	ocean 	DASILVA	4.03	2.00
nsss 	  5.8841 	ocean 	DASILVA	3.10	1.89
SST 	 36.4055 	ocean 	GISS	17.21	2.11
SSS 	  0.1310 	ocean 	levitus	0.22	0.59
SICE 	1860.2189 	ocean 	GISS	0.34	5471.23
T 	 22.9182 	zonal 	ERA40	38.89	0.58
U 	  2.2910 	zonal 	ERA40	12.07	0.18
V 	  2.0672 	zonal 	ERA40	8.25	0.25
Q 	 24.2800 	zonal 	ERA40	29.41	0.82

Total Performance Index is : 421.7461
Partial PI (atm only) is   : 0.4928

Performance Indices - Reichler and Kim 2008 - CDO version
NEW VERSION: windstress, land-sea masks and 100hpa corrections
vhis 2011 2011

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 13.3826 	land 	CRU	25.13	0.53
msl 	  1.4957 	global 	COADS	11.69	0.12
qnet 	 19.3228 	ocean 	OAFLUX	14.24	1.35
tp 	 35.2178 	global 	CMAP	38.87	0.90
ewss 	  8.8922 	ocean 	DASILVA	4.03	2.20
nsss 	  5.0662 	ocean 	DASILVA	3.10	1.63
SST 	 36.4055 	ocean 	GISS	17.21	2.11
SSS 	  0.1310 	ocean 	levitus	0.22	0.59
SICE 	1860.2189 	ocean 	GISS	0.34	5471.23
T 	 22.4369 	zonal 	ERA40	38.89	0.57
U 	  2.1732 	zonal 	ERA40	12.07	0.18
V 	  1.9513 	zonal 	ERA40	8.25	0.23
Q 	 18.7516 	zonal 	ERA40	29.41	0.63

Total Performance Index is : 421.7130
Partial PI (atm only) is   : 0.4514