From ba9875b0b3468396ede5809a494c7b06413807a1 Mon Sep 17 00:00:00 2001 From: JoostBuitink <44062204+JoostBuitink@users.noreply.github.com> Date: Thu, 14 Nov 2024 18:14:14 +0100 Subject: [PATCH] move snowfall figure (#502) --- docs/model_docs/vertical/sbm.qmd | 14 +------------- docs/model_docs/vertical/shared_processes.qmd | 12 ++++++++++-- 2 files changed, 11 insertions(+), 15 deletions(-) diff --git a/docs/model_docs/vertical/sbm.qmd b/docs/model_docs/vertical/sbm.qmd index 2d0953319..e930ea15a 100644 --- a/docs/model_docs/vertical/sbm.qmd +++ b/docs/model_docs/vertical/sbm.qmd @@ -15,23 +15,11 @@ The sections below describe the working of the SBM vertical concept in more deta ## Precipitation The division between solid and liquid precipitation (snowfall and rainfall, respectively) is -performed based on the air temperature. If the temperature is below a threshold temperature -(`tt`), precipitation will fall as snow. An interval parameter (`tti`) defines the range over -which precipitation is partly falling as snow, and partly as rain. Snowfall is added to the -snowpack, where it is subject to melting and refreezing (see the section on [snow and +performed based on the air temperature (see the section on [snow and glaciers](./shared_processes.qmd#snow-and-glaciers)). The amount of rainfall is subject to [interception](#rainfall-interception), and ultimately becomes available for [evaporation](#evaporation) and/or [soil processes](#soil-processes). -![Division between snow and precipitation based on the threshold temperature](../../images/snowfall.png) - - - - - ## Rainfall interception Two different interception models are available: the analytical Gash model, and the modified diff --git a/docs/model_docs/vertical/shared_processes.qmd b/docs/model_docs/vertical/shared_processes.qmd index cb7aa77a2..ddec13120 100644 --- a/docs/model_docs/vertical/shared_processes.qmd +++ b/docs/model_docs/vertical/shared_processes.qmd @@ -8,8 +8,16 @@ title: Shared processes If the air temperature, $T_a$, is below a user-defined threshold `tt` $\SIb{}{\degree C}$ precipitation occurs as snowfall, whereas it occurs as rainfall if $T_a ≥ \mathrm{tt}$. A -another parameter `tti` defines how precipitation can occur partly as rain or snowfall (see the -figure below). If precipitation occurs as snowfall, it is added to the dry snow component +another parameter `tti` defines how precipitation can occur partly as rain or snowfall. + +![Division between snow and precipitation based on the threshold temperature](../../images/snowfall.png) + + + +If precipitation occurs as snowfall, it is added to the dry snow component within the snow pack. Otherwise it ends up in the free water reservoir, which represents the liquid water content of the snow pack. Between the two components of the snow pack, interactions take place, either through snow melt (if temperatures are above a threshold `tt`)