Changeset 13282 for NEMO

Timestamp:

2020-07-09T16:02:24+02:00 (4 years ago)

Author:

ayoung

Message:

Added minimum roughness when using nn_z0_met = 3 to avoid dividing by zero/very small numbers. Ticket #2445. Fully sette tested (trunk).

File:

• NEMO/trunk/src/OCE/ZDF/zdfgls.F90 (modified) (1 diff)

NEMO/trunk/src/OCE/ZDF/zdfgls.F90

@@ -201 +201 @@
          zhsro(:,:) = MAX(rsbc_zs2 * ustar2_surf(:,:) * zdep(:,:)**1.5, rn_hsro)          ! zhsro = rn_frac_hs * Hsw (eq. 11)
       CASE ( 3 )             ! Roughness given by the wave model (coupled or read in file)
-         zhsro(:,:) = rn_frac_hs * hsw(:,:)   ! (rn_frac_hs=1.6 see Eq. (5) of Rascle et al. 2008 )
+         zhsro(:,:) = MAX(rn_frac_hs * hsw(:,:), rn_hsro)   ! (rn_frac_hs=1.6 see Eq. (5) of Rascle et al. 2008 )
       END SELECT
       !