timflow.transient.linesink1d.River1D.dischargeold
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.. py:method:: timflow.transient.linesink1d.River1D.dischargeold(t, derivative=0)

   
   The discharge in each layer.

   :param t: times at which discharge is computed.
             t must be ordered and tmin <= t <= tmax
   :type t: scalar, list or array

   :returns: Discharge in each screen with zeros for layers that are not
             screened
   :rtype: array of discharges (nlayers,len(t))















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