approx_standprop        Create a daily sequence of stand properties
                        from parameters using interpolation
calc_globrad            Calculate global solar radiation from sunshine
                        duration hours
calc_vegperiod          Calculate the dates of budburst and beginning
                        of leaf fall
correct_prec            Correct rain gauge precipitation data for wind
                        and evaporation errors after Richter (1995)
extract_layer_output    Extracts values from layer data and organizes
                        layer-wise variables in columns
make_rootden            Generates a root density depth function for
                        soil layers
make_seasLAI            Construct the seasonal course of leaf area
                        index from parameters
make_standprop          Create daily plant characteristics from
                        parameters and options
parms_to_rbrook90       Create parameter vectors for the LWF-Brook90
                        Fortran library
plant_b90               Interpolate plant properties using the 'b90'
                        method
plant_coupmodel         Interpolate plant properties using the
                        'Coupmodel' method.
plant_linear            Interpolate plant properties using the 'linear'
                        method.
process_outputs_LWFB90
                        Aggregate and group model outputs similar to
                        ancient LWFB90 textfile outputs (.ASC-files)
ptfs                    Functions to derive soil hydraulic properties
                        from soil physical properties
r_lwfbrook90            Interface function to the LWF-Brook90 model
replace_vecelements     Replace elements in a data.frame or vector of
                        length > 1 by name
run_LWFB90              Run the LWF-Brook90 hydrologic model
run_multi_LWFB90        Make a multirun simulation using a set of
                        variable input parameters.
run_multisite_LWFB90    Make a multi-site simulation using lists of
                        climate, soil, and parameter input objects.
set_optionsLWFB90       Create a list of model control options
set_outputLWFB90        Select output for LWF-Brook90
set_paramLWFB90         Create the list of model parameters
slb1_meteo              Meteorological Data from the Solling Beech and
                        Spruce experimental site
slb1_prec2013_hh        Hourly precipitation data from Solling Beech
                        experimental site 'SLB1' for year 2013
slb1_soil               Soil profile data from the Solling Beech
                        experimental site 'SLB1'
slb1_standprop          Annual stand properties of the Solling Beech
                        experimental site 'SLB1'
soil_to_param           Split up soil into materials and soil nodes.
standprop_yearly_to_param
                        Transfer standproperties height, maxlai, sai,
                        densef, age to parameter list object
