From 7cdcf3ebf508f6880cb93250e4b201d0276d83a9 Mon Sep 17 00:00:00 2001 From: "Katherine M. Deck" Date: Fri, 6 Sep 2024 14:20:17 -0700 Subject: [PATCH] add comment --- src/standalone/Vegetation/PlantHydraulics.jl | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) diff --git a/src/standalone/Vegetation/PlantHydraulics.jl b/src/standalone/Vegetation/PlantHydraulics.jl index 7eaa02c6dc..797c8cd3c5 100644 --- a/src/standalone/Vegetation/PlantHydraulics.jl +++ b/src/standalone/Vegetation/PlantHydraulics.jl @@ -342,10 +342,11 @@ Computes the water flux given the absolute potential (pressure/(ρg)) and the conductivity along the flow path between these two points. -We currently assuming an arithmetic -mean for mean K_sat between the two points (Bonan, 2019; Zhu, 2008) -to take into account the change in K_sat halfway -between z1 and z2; this is incorrect for compartments of differing sizes. +We currently assuming an geometric +mean for mean K_sat between the two points. Previously, + we used the arithmetic mean (Bonan, 2019; Zhu, 2008), + but then when the soil K was very low, root extraction would + continue. This should be modified for compartments of differing sizes. """ function flux(z1, z2, ψ1, ψ2, K1, K2) K_eff = K1 * K2 / (K1 + K2)