Performance Indices - Reichler and Kim 2008 - CDO version
OLD VERSION: minor errors in the code
c126 2037 2037

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 17.9524 	land 	CRU	25.13	0.71
msl 	  1.8409 	global 	COADS	11.69	0.15
qnet 	 19.4279 	ocean 	OAFLUX	14.24	1.36
tp 	 43.1968 	global 	CMAP	38.87	1.11
ewss 	  8.2477 	ocean 	DASILVA	4.03	2.04
nsss 	  6.0251 	ocean 	DASILVA	3.10	1.94
SST 	 57.9545 	ocean 	GISS	17.21	3.36
SSS 	  0.1621 	ocean 	levitus	0.22	0.73
SICE 	1720.0714 	ocean 	GISS	0.34	5059.03
T 	 38.7216 	zonal 	ERA40	38.89	0.99
U 	  2.6915 	zonal 	ERA40	12.07	0.22
V 	  2.7862 	zonal 	ERA40	8.25	0.33
Q 	 29.7218 	zonal 	ERA40	29.41	1.01

Total Performance Index is : 390.2292
Partial PI (atm only) is   : 0.6457

Performance Indices - Reichler and Kim 2008 - CDO version
NEW VERSION: windstress, land-sea masks and 100hpa corrections
c126 2037 2037

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 12.2709 	land 	CRU	25.13	0.48
msl 	  1.8409 	global 	COADS	11.69	0.15
qnet 	 18.2567 	ocean 	OAFLUX	14.24	1.28
tp 	 43.1968 	global 	CMAP	38.87	1.11
ewss 	  8.9804 	ocean 	DASILVA	4.03	2.22
nsss 	  5.4986 	ocean 	DASILVA	3.10	1.77
SST 	 57.9545 	ocean 	GISS	17.21	3.36
SSS 	  0.1621 	ocean 	levitus	0.22	0.73
SICE 	1720.0714 	ocean 	GISS	0.34	5059.03
T 	 38.4400 	zonal 	ERA40	38.89	0.98
U 	  2.6030 	zonal 	ERA40	12.07	0.21
V 	  2.6577 	zonal 	ERA40	8.25	0.32
Q 	 24.7113 	zonal 	ERA40	29.41	0.84

Total Performance Index is : 390.1907
Partial PI (atm only) is   : 0.5842