Table 2.

Linear regression statistics for SWI–TINDVI (bold) and SWI–LOS (regular) relationships

PB model	R 2	RMSE	slope
West Greenland RA	0.52	12.82	2.20
	0.53	15.61	2.7
East Greenland RA	0.43	11.39	1.92
	0.15	10.34	0.89
West Greenland RA-ST	0.61	10.02	2.24
	0.56	13.31	2.68
East Greenland RA-ST	0.32	9.25	1.24
	0.09	10.29	0.68
Greenland PB	0.64	12.50	2.94
	0.68	11.23	2.92
Iceland PB	0.72	15.59	5.24
	0.83	16.26	6.66

RA regionally averaged, ST standardized topography, PB pixel-based