substance 'cTR1' active
   description        'conservative tracer from source 1'
   concentration-unit '(g/m3/d)'
   waste-load-unit    '-'
end-substance
substance 'dTR1' active
   description        'decay tracer from source 1'
   concentration-unit '(g/m3/d)'
   waste-load-unit    '-'
end-substance
parameter 'VertDisper'
   description   'vertical dispersion'
   unit          '(m2/s)'
   value         0.0
end-parameter
parameter 'Velocity'
   description   'horizontal flow velocity'
   unit          '(m/s)'
   value          0.0000E+00
end-parameter
parameter 'VWind'
   description   'wind speed'
   unit          '(m/s)'
   value          0.0000E+00
end-parameter
parameter 'RcDecTR1'
   description   'decay rate tracer1 for AGE calculations'
   unit          '(1/d)'
   value          1E+01
end-parameter
output 'AgeTR1'
   description   'calculated AGE for water from source 1 (d)'
end-output
active-processes
   name  'TotDepth' 'depth water column'
   name  'VertDisp' 'Vertical dispersion (segment -> exchange)'
   name  'DynDepth' 'dynamic calculation of the depth'  
   name  'Age1'     'Age of water from source 1'
end-active-processes