Performance Indices - Reichler and Kim 2008 - CDO version
OLD VERSION: minor errors in the code
c245 2023 2023

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 16.3681 	land 	CRU	25.13	0.65
msl 	  2.1946 	global 	COADS	11.69	0.18
qnet 	 20.2793 	ocean 	OAFLUX	14.24	1.42
tp 	 39.0840 	global 	CMAP	38.87	1.00
ewss 	  8.3104 	ocean 	DASILVA	4.03	2.06
nsss 	  5.8907 	ocean 	DASILVA	3.10	1.90
SST 	 49.0396 	ocean 	GISS	17.21	2.84
SSS 	  0.1578 	ocean 	levitus	0.22	0.71
SICE 	1927.1426 	ocean 	GISS	0.34	5668.06
T 	 34.8516 	zonal 	ERA40	38.89	0.89
U 	  2.7031 	zonal 	ERA40	12.07	0.22
V 	  2.2518 	zonal 	ERA40	8.25	0.27
Q 	 27.6493 	zonal 	ERA40	29.41	0.94

Total Performance Index is : 437.0107
Partial PI (atm only) is   : 0.5928

Performance Indices - Reichler and Kim 2008 - CDO version
NEW VERSION: windstress, land-sea masks and 100hpa corrections
c245 2023 2023

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 12.1526 	land 	CRU	25.13	0.48
msl 	  2.1946 	global 	COADS	11.69	0.18
qnet 	 19.1581 	ocean 	OAFLUX	14.24	1.34
tp 	 39.0840 	global 	CMAP	38.87	1.00
ewss 	  8.8281 	ocean 	DASILVA	4.03	2.19
nsss 	  5.2608 	ocean 	DASILVA	3.10	1.69
SST 	 49.0396 	ocean 	GISS	17.21	2.84
SSS 	  0.1578 	ocean 	levitus	0.22	0.71
SICE 	1927.1426 	ocean 	GISS	0.34	5668.06
T 	 34.4111 	zonal 	ERA40	38.89	0.88
U 	  2.5406 	zonal 	ERA40	12.07	0.21
V 	  2.1428 	zonal 	ERA40	8.25	0.25
Q 	 22.8218 	zonal 	ERA40	29.41	0.77

Total Performance Index is : 436.9692
Partial PI (atm only) is   : 0.5385