Performance Indices - Reichler and Kim 2008 - CDO version
OLD VERSION: minor errors in the code
c126 2016 2016

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 14.7851 	land 	CRU	25.13	0.58
msl 	  2.2022 	global 	COADS	11.69	0.18
qnet 	 19.6071 	ocean 	OAFLUX	14.24	1.37
tp 	 36.9827 	global 	CMAP	38.87	0.95
ewss 	  8.5056 	ocean 	DASILVA	4.03	2.11
nsss 	  6.0882 	ocean 	DASILVA	3.10	1.96
SST 	 44.8067 	ocean 	GISS	17.21	2.60
SSS 	  0.1601 	ocean 	levitus	0.22	0.72
SICE 	1881.3559 	ocean 	GISS	0.34	5533.39
T 	 26.1650 	zonal 	ERA40	38.89	0.67
U 	  2.5655 	zonal 	ERA40	12.07	0.21
V 	  2.0740 	zonal 	ERA40	8.25	0.25
Q 	 25.8395 	zonal 	ERA40	29.41	0.87

Total Performance Index is : 426.6046
Partial PI (atm only) is   : 0.5300

Performance Indices - Reichler and Kim 2008 - CDO version
NEW VERSION: windstress, land-sea masks and 100hpa corrections
c126 2016 2016

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 11.5827 	land 	CRU	25.13	0.46
msl 	  2.2022 	global 	COADS	11.69	0.18
qnet 	 18.3836 	ocean 	OAFLUX	14.24	1.29
tp 	 36.9827 	global 	CMAP	38.87	0.95
ewss 	  8.8968 	ocean 	DASILVA	4.03	2.20
nsss 	  5.6020 	ocean 	DASILVA	3.10	1.80
SST 	 44.8067 	ocean 	GISS	17.21	2.60
SSS 	  0.1601 	ocean 	levitus	0.22	0.72
SICE 	1881.3559 	ocean 	GISS	0.34	5533.39
T 	 25.7567 	zonal 	ERA40	38.89	0.66
U 	  2.4244 	zonal 	ERA40	12.07	0.20
V 	  1.9473 	zonal 	ERA40	8.25	0.23
Q 	 20.4946 	zonal 	ERA40	29.41	0.69

Total Performance Index is : 426.5669
Partial PI (atm only) is   : 0.4814