Performance Indices - Reichler and Kim 2008 - CDO version
OLD VERSION: minor errors in the code
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Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 20.5520 	land 	CRU	25.13	0.81
msl 	  1.4676 	global 	COADS	11.69	0.12
qnet 	 20.0736 	ocean 	OAFLUX	14.24	1.40
tp 	 41.9316 	global 	CMAP	38.87	1.07
ewss 	  7.8745 	ocean 	DASILVA	4.03	1.95
nsss 	  5.6815 	ocean 	DASILVA	3.10	1.83
SST 	 65.8596 	ocean 	GISS	17.21	3.82
SSS 	  0.1900 	ocean 	levitus	0.22	0.86
SICE 	1282.4541 	ocean 	GISS	0.34	3771.92
T 	 47.4990 	zonal 	ERA40	38.89	1.22
U 	  2.8222 	zonal 	ERA40	12.07	0.23
V 	  2.5543 	zonal 	ERA40	8.25	0.30
Q 	 36.6774 	zonal 	ERA40	29.41	1.24

Total Performance Index is : 291.2900
Partial PI (atm only) is   : 0.7128

Performance Indices - Reichler and Kim 2008 - CDO version
NEW VERSION: windstress, land-sea masks and 100hpa corrections
c126 2066 2066

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 14.1707 	land 	CRU	25.13	0.56
msl 	  1.4676 	global 	COADS	11.69	0.12
qnet 	 18.8861 	ocean 	OAFLUX	14.24	1.32
tp 	 41.9316 	global 	CMAP	38.87	1.07
ewss 	  8.3838 	ocean 	DASILVA	4.03	2.08
nsss 	  4.9403 	ocean 	DASILVA	3.10	1.59
SST 	 65.8596 	ocean 	GISS	17.21	3.82
SSS 	  0.1900 	ocean 	levitus	0.22	0.86
SICE 	1282.4541 	ocean 	GISS	0.34	3771.92
T 	 47.2832 	zonal 	ERA40	38.89	1.21
U 	  2.6633 	zonal 	ERA40	12.07	0.22
V 	  2.4514 	zonal 	ERA40	8.25	0.29
Q 	 31.2061 	zonal 	ERA40	29.41	1.06

Total Performance Index is : 291.2400
Partial PI (atm only) is   : 0.6471