calc_water_bas.F90

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!+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
!
!  Subroutine :  c a l c _ w a t e r _ b a s
!
!> @file
!!
!! Computation of the thickness of the water column under the ice base.
!!
!! @section Copyright
!!
!! Copyright 2009-2016 Ralf Greve
!!
!! @section License
!!
!! This file is part of SICOPOLIS.
!!
!! SICOPOLIS is free software: you can redistribute it and/or modify
!! it under the terms of the GNU General Public License as published by
!! the Free Software Foundation, either version 3 of the License, or
!! (at your option) any later version.
!!
!! SICOPOLIS is distributed in the hope that it will be useful,
!! 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 SICOPOLIS.  If not, see <http://www.gnu.org/licenses/>.
!<
!+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

!-------------------------------------------------------------------------------
!> Computation of the thickness of the water column under the ice base.
!<------------------------------------------------------------------------------
subroutine calc_water_bas(z_sl)

use sico_types
use sico_variables
use sico_vars

implicit none

real(dp), intent(in) :: z_sl

integer(i4b) :: i, j

!-------- Water column --------

do i=0, imax
do j=0, jmax

   if (maske(j,i)==0_i2b) then   ! grounded ice
      h_w(j,i) = 0.0_dp   ! Effective thickness of subglacial water.
                          ! So far no computation, just set to zero.
   else if (maske(j,i)==1_i2b) then   ! ice-free land
      h_w(j,i) = 0.0_dp
   else if (maske(j,i)==2_i2b) then   ! ocean
      h_w(j,i) = z_sl-zl(j,i)
   else   ! maske(j,i)==3_i2b, floating ice
      h_w(j,i) = zb(j,i)-zl(j,i)
   end if

end do
end do

end subroutine calc_water_bas
!