Model:SoilMoisture

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SoilMoisture [edit]


Metadata[edit]

Also known as
Model type Single
Model part of larger framework LandLab
Note on status model
Date note status model
Incorporated models or components:
Spatial dimensions 2D
Spatial extent Regional-Scale, Landscape-Scale, Watershed-Scale
Model domain Terrestrial, Hydrology
One-line model description Compute the decay of soil moisture saturation at storm-interstorm time period
Extended model description Landlab component that simulates root-zone average soil moisture at each cell using inputs of potential evapotranspiration, live leaf area index, and vegetation cover.

This component uses a single soil moisture layer and models soil moisture loss through transpiration by plants, evaporation by bare soil, and leakage. The solution of water balance is based on Laio et. al 2001. The component requires fields of initial soil moisture, rainfall input (if any), time to the next storm and potential transpiration.

Keywords:

soil, soil moisture, evapotranspiration,

Name Sai Nudurupati
Type of contact
Institute / Organization
Postal address 1
Postal address 2
Town / City Seattle
Postal code 98195
State Washington
Country United States
Email address saisiddu@uw.edu
Phone
Fax


Supported platforms
Unix, Linux, Mac OS, Windows
Other platform
Programming language

Python

Other program language
Code optimized Single Processor
Multiple processors implemented
Nr of distributed processors
Nr of shared processors
Start year development 2016
Does model development still take place? No
If above answer is no, provide end year model development 2020
Code development status Only maintenance
When did you indicate the 'code development status'? 2020
Model availability As code
Source code availability
(Or provide future intension)
Through web repository
Source web address https://github.com/landlab/landlab/tree/master/landlab
Source csdms web address
Program license type BSD or MIT X11
Program license type other
Memory requirements
Typical run time


Describe input parameters grid: RasterModelGrid

A grid.

runon: float, optional
Runon from higher elevation (mm).

f_bare: float, optional
Fraction to partition PET for bare soil (None).

soil_ew: float, optional
Residual Evaporation after wilting (mm/day).

intercept_cap: float, optional
Plant Functional Type (PFT) specific full canopy interception capacity.

zr: float, optional
Root depth (m).

I_B: float, optional
Infiltration capacity of bare soil (mm/h).

I_V: float, optional
Infiltration capacity of vegetated soil (mm/h).

pc: float, optional
Soil porosity (None).

fc: float, optional
Soil saturation degree at field capacity (None).

sc: float, optional
Soil saturation degree at stomatal closure (None).

wp: float, optional
Soil saturation degree at wilting point (None).

hgw: float, optional
Soil saturation degree at hygroscopic point (None).

beta: float, optional
Deep percolation constant = 2*b+3 where b is water retention (None).

LAI_max: float, optional
Maximum leaf area index (m^2/m^2).

LAIR_max: float, optional
Reference leaf area index (m^2/m^2).

method: str
Method used

Tr: float, optional
Storm duration (hours).

Tb: float, optional
Inter-storm duration (hours).

current_time: float
Current time (years).

Input format ASCII
Other input format
Describe output parameters [[Describe output parameters model::"rainfall__daily_depth":

{ "dtype": float, "intent": "in", "optional": False, "units": "mm", "mapping": "cell", "doc": "Rain in (mm) as a field, allowing spatio-temporal soil moisture saturation analysis.", }

"soil_moisture__initial_saturation_fraction": { "dtype": float, "intent": "in", "optional": False, "units": "None", "mapping": "cell", "doc": "initial soil_moisture__saturation_fraction", }

"soil_moisture__root_zone_leakage": { "dtype": float, "intent": "out", "optional": False, "units": "mm", "mapping": "cell", "doc": "leakage of water into deeper portions of the soil not accessible to the plant", }

"soil_moisture__saturation_fraction": { "dtype": float, "intent": "out", "optional": False, "units": "None", "mapping": "cell", "doc": "relative volumetric water content (theta) - limits=[0,1]", }

"surface__evapotranspiration": { "dtype": float, "intent": "out", "optional": False, "units": "mm", "mapping": "cell", "doc": "actual sum of evaporation and plant transpiration", }

"surface__potential_evapotranspiration_rate": { "dtype": float, "intent": "in", "optional": False, "units": "mm", "mapping": "cell", "doc": "potential sum of evaporation and potential transpiration", }

"surface__runoff": { "dtype": float, "intent": "out", "optional": False, "units": "mm", "mapping": "cell", "doc": "runoff from ground surface", }

"vegetation__cover_fraction": { "dtype": float, "intent": "in", "optional": False, "units": "None", "mapping": "cell", "doc": "fraction of land covered by vegetation", }

"vegetation__live_leaf_area_index": { "dtype": float, "intent": "in", "optional": False, "units": "None", "mapping": "cell", "doc": "one-sided green leaf area per unit ground surface area", }

"vegetation__plant_functional_type": { "dtype": int, "intent": "in", "optional": False, "units": "None", "mapping": "cell", "doc": "classification of plants (int), grass=0, shrub=1, tree=2, bare=3, shrub_seedling=4, tree_seedling=5", }

"vegetation__water_stress": { "dtype": float, "intent": "out", "optional": False, "units": "None", "mapping": "cell", "doc": "parameter that represents nonlinear effects of water deficit on plants", }]]

Output format ASCII
Other output format
Pre-processing software needed? No
Describe pre-processing software
Post-processing software needed? No
Describe post-processing software
Visualization software needed? No
If above answer is yes
Other visualization software


Describe processes represented by the model
Describe key physical parameters and equations
Describe length scale and resolution constraints
Describe time scale and resolution constraints
Describe any numerical limitations and issues


Describe available calibration data sets
Upload calibration data sets if available:
Describe available test data sets
Upload test data sets if available:
Describe ideal data for testing


Do you have current or future plans for collaborating with other researchers?
Is there a manual available? No
Upload manual if available:
Model website if any https://landlab.github.io
Model forum / discussion board https://github.com/landlab/landlab/issues
Comments


This part will be filled out by CSDMS staff

OpenMI compliant Not yet"Not yet" is not in the list (Yes, No but planned, No but possible, No not possible) of allowed values for the "Code openmi compliant or not" property.
BMI compliant Not yet"Not yet" is not in the list (Yes, No but planned, No but possible, No not possible) of allowed values for the "Code IRF or not" property.
WMT component Not yet"Not yet" is not in the list (Yes, In progress, No but possible, No not possible) of allowed values for the "Code CMT compliant or not" property.
PyMT component Not yet"Not yet" is not in the list (Yes, In progress, No but possible, No not possible) of allowed values for the "Code PyMT compliant or not" property.
Is this a data component
Can be coupled with:
Model info
Sai Nudurupati
Nr. of publications: --
Total citations: 0
h-index: --"--" is not a number.
m-quotient: 0

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References[edit]




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