From f9e0dbe28ea041167e13e1aedcd97f5f5cf8f08c Mon Sep 17 00:00:00 2001 From: Chonggang Xu Date: Fri, 12 Apr 2019 12:37:20 -0600 Subject: [PATCH] update soil-root conductivity parameters so that the conductivity is higher for uptake and lower for water loss --- parameter_files/fates_params_default.cdl | 13 +++++++++---- 1 file changed, 9 insertions(+), 4 deletions(-) diff --git a/parameter_files/fates_params_default.cdl b/parameter_files/fates_params_default.cdl index bebbe3f720..d1f56f51d1 100644 --- a/parameter_files/fates_params_default.cdl +++ b/parameter_files/fates_params_default.cdl @@ -49,9 +49,12 @@ variables: float fates_fire_nignitions(fates_scalar) ; fates_fire_nignitions:units = "/m2 (?)" ; fates_fire_nignitions:long_name = "number of daily ignitions (nfires = nignitions*FDI*area_scaling)" ; - float fates_hydr_kmax_rsurf(fates_scalar) ; - fates_hydr_kmax_rsurf:units = "kg water/m2 root area/Mpa/s" ; - fates_hydr_kmax_rsurf:long_name = "maximum conducitivity for unit root surface" ; + float fates_hydr_kmax_rsurf1(fates_scalar) ; + fates_hydr_kmax_rsurf1:units = "kg water/m2 root area/Mpa/s" ; + fates_hydr_kmax_rsurf1:long_name = "maximum conducitivity for unit root surface for water uptake" ; + float fates_hydr_kmax_rsurf2(fates_scalar) ; + fates_hydr_kmax_rsurf2:units = "kg water/m2 root area/Mpa/s" ; + fates_hydr_kmax_rsurf2:long_name = "maximum conducitivity for unit root surface for water loss" ; float fates_hydr_psi0(fates_scalar) ; fates_hydr_psi0:units = "MPa" ; fates_hydr_psi0:long_name = "sapwood water potential at saturation" ; @@ -617,7 +620,9 @@ data: fates_fire_nignitions = 15 ; - fates_hydr_kmax_rsurf = 20.0 ; + fates_hydr_kmax_rsurf1 = 20.0 ; + + fates_hydr_kmax_rsurf2 = 0.0001; fates_hydr_psi0 = 0 ;