From d08efcfd99cb6016b946b9489b45653c5e15e6b2 Mon Sep 17 00:00:00 2001 From: Soren Rasmussen Date: Sat, 21 Dec 2024 16:17:55 -0700 Subject: [PATCH] Crocus appendix section note additions on surface runoff and fixed PSNOWTHRUFAL variable's details --- docs/userguide/appendices.rest | 11 ++++++++++- 1 file changed, 10 insertions(+), 1 deletion(-) diff --git a/docs/userguide/appendices.rest b/docs/userguide/appendices.rest index df78f18e0..3e5134213 100644 --- a/docs/userguide/appendices.rest +++ b/docs/userguide/appendices.rest @@ -2631,7 +2631,7 @@ layers contain the initialized ice. +--------------+-----------+----------------------------------------------+--------------------+ | PSNOWALB | 2D | Albedo | `-` | +--------------+-----------+----------------------------------------------+--------------------+ - | PSNOWTHRUFAL | 2D | Surface runoff rate | `kg/m^2/s` | + | PSNOWTHRUFAL | 2D | Accumulated surface runoff | `kg/m^2` | +--------------+-----------+----------------------------------------------+--------------------+ | PSNOWHEIGHT | 2D | Total glacier thickness | `m` | +--------------+-----------+----------------------------------------------+--------------------+ @@ -2663,3 +2663,12 @@ layers contain the initialized ice. Currently there are no namelist options to change parameter values. Several important parameters that can be modified can be found in: :file:`src/Land_models/NoahMP/phys/surfex/modd_snow_par.F90` + + Surface runoff is assigned to ``FLOW_ICE`` when the top active layer at the + specific grid point has a density of 850 kg/m3, while surface runoff is + assigned to ``FLOW_SNOW`` when the top active layer has a density equal to + or less than 850 kg/m3. The sum of ``FLOW_ICE`` and ``FLOW_SNOW`` is equal + to ``PSNOWTHRUFAL``. Note that runoff from precipitation is included in + surface runoff, thus ``FLOW_SNOW`` and ``FLOW_ICE`` cannot be used directly + as indication if melt is from the ice part of the glacier or snow part of + the glacier.