Refinement of a canopy budget model by analysing nutrien transfer processes in tree canopies at different spatio-temporal scales

To quantify total atmospheric deposition onto forests, a so-called canopy-budget-model that estimates dry deposition and ion exchange reactions within forest canopies, is applied worldwide. The aim of this project is to evaluate and adapt the several assumptions made in this model for different tree species, phenological periods, atmospheric pollution levels and site conditions by working at different spatial levels.