Performance Indices - Reichler and Kim 2008 - CDO version
OLD VERSION: minor errors in the code
v585 2046 2046

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 27.7327 	land 	CRU	25.13	1.10
msl 	  1.7716 	global 	COADS	11.69	0.15
qnet 	 19.9395 	ocean 	OAFLUX	14.24	1.40
tp 	 54.6533 	global 	CMAP	38.87	1.40
ewss 	  8.1067 	ocean 	DASILVA	4.03	2.01
nsss 	  5.9613 	ocean 	DASILVA	3.10	1.92
SST 	 80.8888 	ocean 	GISS	17.21	4.70
SSS 	  0.1872 	ocean 	levitus	0.22	0.85
SICE 	1167.5004 	ocean 	GISS	0.34	3433.82
T 	 68.2975 	zonal 	ERA40	38.89	1.75
U 	  4.1235 	zonal 	ERA40	12.07	0.34
V 	  2.6947 	zonal 	ERA40	8.25	0.32
Q 	 44.9756 	zonal 	ERA40	29.41	1.52

Total Performance Index is : 265.4830
Partial PI (atm only) is   : 0.9400

Performance Indices - Reichler and Kim 2008 - CDO version
NEW VERSION: windstress, land-sea masks and 100hpa corrections
v585 2046 2046

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 18.7597 	land 	CRU	25.13	0.74
msl 	  1.7716 	global 	COADS	11.69	0.15
qnet 	 18.7496 	ocean 	OAFLUX	14.24	1.31
tp 	 54.6533 	global 	CMAP	38.87	1.40
ewss 	  9.6043 	ocean 	DASILVA	4.03	2.38
nsss 	  5.0765 	ocean 	DASILVA	3.10	1.63
SST 	 80.8888 	ocean 	GISS	17.21	4.70
SSS 	  0.1872 	ocean 	levitus	0.22	0.85
SICE 	1167.5004 	ocean 	GISS	0.34	3433.82
T 	 68.1886 	zonal 	ERA40	38.89	1.75
U 	  3.9958 	zonal 	ERA40	12.07	0.33
V 	  2.5856 	zonal 	ERA40	8.25	0.31
Q 	 41.1170 	zonal 	ERA40	29.41	1.39

Total Performance Index is : 265.4430
Partial PI (atm only) is   : 0.8671