Retrieval of Land Surface Model State Variables through Assimilating Screen Level Humidity and Temperature Measurements

Table 1

Atmospheric model parameter setting.

Symbol	Meaning	Value
	Minimum vertical grid interval	4 m
	Karman constant	0.4
Nz	Number of atmosphere layers ()	80
B	A coefficient of proportionality, which is used in describing the nonlocal enhancement effects from large-scale eddies to total flux	7.8
	Large time step for model integration	60 s
	Interval for updating radiation process	1800 s
	Time step for land surface processes	60 s
	The asymptotic length scale for mixing length (free atmosphere)	30 m
	Flux mixing depth	200 m
/	Lower/upper bounding for turbulent eddy coefficients	0.01/1000.0
/	Lower/upper turbulent Prandtl number	0.5/4.0