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bugfix: fix potential divide by zero in stomatal resistance diagnostic #646

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Merged
davegill merged 1 commit into from
Oct 2, 2018
Merged

bugfix: fix potential divide by zero in stomatal resistance diagnostic #646

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2 changes: 1 addition & 1 deletion phys/module_sf_noahmpdrv.F
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Original file line number Diff line number Diff line change
Expand Up @@ -979,7 +979,7 @@ SUBROUTINE noahmplsm(ITIMESTEP, YR, JULIAN, COSZIN,XLAT,XLONG, & ! IN
RB = MAX(RB, 0.0)
! New Calculation of total Canopy/Stomatal Conductance Based on Bonan et al. (2011)
! -- Inverse of Canopy Resistance (below)
IF(RSSUN .le. 0.0 .and. RSSHA .le. 0.0) THEN
IF(RSSUN .le. 0.0 .or. RSSHA .le. 0.0 .or. LAISUN .eq. 0.0 .or. LAISHA .eq. 0.0) THEN
RS (I,J) = 0.0
ELSE
RS (I,J) = ((1.0/(RSSUN+RB)*LAISUN) + ((1.0/(RSSHA+RB))*LAISHA))
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