A Comparison of Bangladesh Climate Surfaces from the Geostatistical Point of View

Table 1

Variogram models and parameters for OK interpolation of PRCPTOT and TXx.

Index	Temporal period	Variography
		Model	Sill	Range	Nugget	Anisotropy parameters
						Angle	Ratio of major and minor axis
PRCPTOT	1948–1975	Spherical	700000	400	45000	2.96	0.83
	1976–1992	Spherical	630000	550	205000	47.28	0.97
	1993–2007	Spherical	780000	550	70000	83.94	0.87
TXx	1948–1975	Spherical	15	430	0	2.96	0.71
	1976–1992	Spherical	10	530	0	0.96	0.71
	1993–2007	Spherical	5.8	410	1	176.72	0.73