Parameters

Soil thermal properties, i.e. volumetric heat capacity and thermal conductivity, are treated as functions of the volumetric fractions of solid material, liquid water and ice. For the thermal conductivity, different coefficients are used in these functions depending on whether the soil is dominated by clay, by sand or by organic material. Soils with a pore size distribution below 0.5 and a volumetric water content at wilting point above 10 % are classified as clay soils. The coefficients valid for organic soils are used from the soil surface down to the depth assigned to the OrganicLayerThick parameter. The coefficients used for mineral soil originate from Kersten (1949) and the ones used for organic soils are based on data from de Vries (1973).

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CFrozenMaxDamp

CFrozenSurfCorr

ClayFrozenC1

ClayFrozenC2

ClayFrozenC3

ClayFrozenC4

ClayUnFrozenC1

ClayUnFrozenC2

ClayUnFrozenC3

OrganicC1

OrganicC2

OrganicFrozenC

OrganicLayerThick

SandFrozenC1

SandFrozenC2

SandFrozenC3

SandFrozenC4

SandUnFrozenC1

SandUnFrozenC2

SandUnFrozenC3