!!  Copyright (C)  Stichting Deltares, 2012-2022.
!!
!!  This program is free software: you can redistribute it and/or modify
!!  it under the terms of the GNU General Public License version 3,
!!  as published by the Free Software Foundation.
!!
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!!  but WITHOUT ANY WARRANTY; without even the implied warranty of
!!  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
!!  GNU General Public License for more details.
!!
!!  You should have received a copy of the GNU General Public License
!!  along with this program. If not, see <http://www.gnu.org/licenses/>.
!!
!!  contact: delft3d.support@deltares.nl
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!!  P.O. Box 177
!!  2600 MH Delft, The Netherlands
!!
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!!  rights reserved.

      SUBROUTINE DLWQ65 ( AMASS  , VOLUME , IDT    , NOSEG  )
!
!     Deltares     SECTOR WATERRESOURCES AND ENVIRONMENT
!
!     CREATED             : june 1988 by L.Postma
!
!     FUNCTION            : makes a closure error correction
!                           for steady state computations
!
!     LOGICAL UNITNUMBERS : none
!
!     SUBROUTINES CALLED  : none
!
!     PARAMETERS          :
!
!     NAME    KIND     LENGTH     FUNCT.  DESCRIPTION
!     ----    -----    ------     ------- -----------
!     AMASS   REAL      NOSEG     IN/OUT  closure error correction
!     VOLUME  REAL      NOSEG     INPUT   volume
!     IDT     INTEGER     1       INPUT   Time between AMASS and VOLUME
!     NOSEG   INTEGER     1       INPUT   number of segments
!
      use timers

      DIMENSION  AMASS (  *) , VOLUME(*)
      integer(4) ithandl /0/
      if ( timon ) call timstrt ( "dlwq65", ithandl )
!
!         loop oversehe number of segments
!
      DO 10 I = 1 , NOSEG
      AMASS(I) = ( AMASS(I)-VOLUME(I) )/IDT
   10 CONTINUE
!
      if ( timon ) call timstop ( ithandl )
      RETURN
      END