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Possible problem in ice_restoring if hbar=hin_min or hin_max then restoring to zero #972

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JFLemieux73 opened this issue Sep 5, 2024 · 2 comments

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@JFLemieux73
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JFLemieux73 commented Sep 5, 2024

The code is currently like this:

!-----------------------------------------------------------------
! initial area and thickness in ice-occupied restoring cells
!-----------------------------------------------------------------

  hbar = c2  ! initial ice thickness
  hsno_init = 0.20_dbl_kind ! initial snow thickness (m)
  do n = 1, ncat
     hinit(n) = c0
     ainit(n) = c0
     if (hbar > hin_max(n-1) .and. hbar < hin_max(n)) then
        hinit(n) = hbar
        ainit(n) = 0.95_dbl_kind ! initial ice concentration
     endif
  enddo

We should have instead:

  if (hbar >= hin_max(n-1) .and. hbar < hin_max(n)) then
@apcraig
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apcraig commented Oct 4, 2024

FYI, this is in /cicecore/cicedyn/infrastructure/ice_restoring.F90.

@phil-blain
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The problem is that if hbar falls directly on the lower limit of a category, we do not enter the if and hinit, ainit are then left to zero.

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