soil_thermal_calc

Author:

Keith Cherkauer

Date:

September 1, 1997

Description:

This subroutine computes soil thermal parameters based on current soil moisture properties. Thermal conductivity, volumetric heat capacity, moisture, maximum moisture, and expt are computed for each of the nodes used in the thermal profile solution. Average conductivity and heat capacity are also computed for each model layer.

The kappa, Cs, moist, max_moist, and expt arrays should be allocated before calling the subroutine. If kappa or Cs are set to NULL, distribution of properties over thermal nodes will be skipped, and only the average properties will be computed.

References

Input Variables:

Variable	Type	Units	Description
soil_con	soil_con_struct	N/A	Soil parameters data structure
layer	layer_data_struct *	N/A	Layer data structure
energy	energy_bal_struct	N/A	Energy data structure
Nlayer	int	N/A	Number of model layers
Tlayer	int	N/A	Number of soil profile nodes

Output Variables:

Variable	Type	Units	Description
kappa	double *	W/m/K	Soil thermal conductivity for each node
Cs	double *	J/m^3/K	Soil volumetric heat capacity for each node
moist	double *	m^3/m^3	Soil moisture for each node
expt	double *	N/A	expt for each node
max_moist	double *	m^3/m^3	Maximum soil moisture for each node

Subroutines Called:

Modifications and Limitations

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