Performance Indices - Reichler and Kim 2008 - CDO version
OLD VERSION: minor errors in the code
vhis 1908 1908

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 25.1402 	land 	CRU	25.13	1.00
msl 	  2.1515 	global 	COADS	11.69	0.18
qnet 	 20.7001 	ocean 	OAFLUX	14.24	1.45
tp 	 43.8776 	global 	CMAP	38.87	1.12
ewss 	  8.7508 	ocean 	DASILVA	4.03	2.17
nsss 	  6.2638 	ocean 	DASILVA	3.10	2.02
SST 	 27.1106 	ocean 	GISS	17.21	1.57
SSS 	  0.1302 	ocean 	levitus	0.22	0.59
SICE 	2568.2125 	ocean 	GISS	0.34	7553.56
T 	 22.4818 	zonal 	ERA40	38.89	0.57
U 	  2.8990 	zonal 	ERA40	12.07	0.24
V 	  2.2159 	zonal 	ERA40	8.25	0.26
Q 	 29.4152 	zonal 	ERA40	29.41	1.00

Total Performance Index is : 581.9792
Partial PI (atm only) is   : 0.6242

Performance Indices - Reichler and Kim 2008 - CDO version
NEW VERSION: windstress, land-sea masks and 100hpa corrections
vhis 1908 1908

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 23.4759 	land 	CRU	25.13	0.93
msl 	  2.1515 	global 	COADS	11.69	0.18
qnet 	 19.5137 	ocean 	OAFLUX	14.24	1.37
tp 	 43.8776 	global 	CMAP	38.87	1.12
ewss 	  9.3298 	ocean 	DASILVA	4.03	2.31
nsss 	  5.4522 	ocean 	DASILVA	3.10	1.75
SST 	 27.1106 	ocean 	GISS	17.21	1.57
SSS 	  0.1302 	ocean 	levitus	0.22	0.59
SICE 	2568.2125 	ocean 	GISS	0.34	7553.56
T 	 20.5219 	zonal 	ERA40	38.89	0.52
U 	  2.6167 	zonal 	ERA40	12.07	0.21
V 	  2.1037 	zonal 	ERA40	8.25	0.25
Q 	 22.1119 	zonal 	ERA40	29.41	0.75

Total Performance Index is : 581.9315
Partial PI (atm only) is   : 0.5657