bridget.sap_flow.sapwood_area

bridget.sap_flow.sapwood_area(dbh, species, sapwood_depth=None, bark_depth=None, **kwargs)[source]

Sapwood area calculation

This function will calculate the sapwood area, either from measured sapwood depth or using the empirical equation from Gebauer et al. (2008). The bark depth will be needed for the calculation after Gebauer et al. (2008). This can be either a measured value or also empirically calculated.

Reference: Gebauer, T., Horna, V., and Leuschner, C. (2008). Variability in radial sap flux density patterns and sapwood area among seven cooccurring temperate broad-leaved tree species, Tree Physiol., 28, 1821–1830.

Parameters
  • dbh (float) – diameter at breast height in [cm]

  • species (str) – species name, can bei either “quercus petraea” or “fagus sylvatica” at this point

  • depth (sapwood) –

    ??

  • bark_depth – measured bark depth in [mm]

Return type

float