unifhycontrib.smart
- class unifhycontrib.smart.SubSurfaceComponent
The Soil Moisture Accounting and Routing for Transport [SMART] model (Mockler et al., 2016) is a bucket-type rainfall-runoff model.
SMART is an enhancement of the SMARG (Soil Moisture Accounting and Routing with Groundwater) lumped, conceptual rainfall–runoff model developed at National University of Ireland, Galway (Kachroo, 1992), and based on the soil layers concept (O’Connell et al., 1970; Nash and Sutcliffe, 1970). Separate soil layers were introduced to capture the decline with soil depth in the ability of plant roots to extract water for evapotranspiration. SMARG was originally developed for flow modelling and forecasting and was incorporated into the Galway Real-Time River Flow Forecasting System [GFFS] (Goswami et al., 2005). The SMART model reorganised and extended SMARG to provide a basis for water quality modelling by separating explicitly the important flow pathways in a catchment.
The sub-surface component of SMART comprises the runoff generation and land runoff routing processes. This sub-surface component is made up of six soil layers of equal depth and five linear reservoirs. The six soil layers are vertically connected to allow for percolation and evaporation. The five linear reservoirs represent the different pathways for land runoff. Note, the river routing of SMART is not included in this component.
- Contributors
Thibault Hallouin [1,2], Eva Mockler [1,3], Michael Bruen [1]
- Affiliations
Dooge Centre for Water Resources Research, University College Dublin
Department of Meteorology, University of Reading
Ireland’s Environmental Protection Agency
- Licence
GPL-3.0
- Copyright
2020, University College Dublin
Inwards
- name
canopy_liquid_throughfall_and_snow_melt_flux
- units
kg m-2 s-1
- from
surfacelayer
- method
mean
- name
transpiration_flux_from_root_uptake
- units
kg m-2 s-1
- from
surfacelayer
- method
mean
Outwards
- name
soil_water_stress_for_transpiration
- units
1
- to
surfacelayer
- method
mean
- name
surface_runoff_flux_delivered_to_rivers
- units
kg m-2 s-1
- to
openwater
- method
mean
- name
net_groundwater_flux_to_rivers
- units
kg m-2 s-1
- to
openwater
- method
mean
Parameters
- name
theta_c
- description
evaporation decay coefficient
- units
1
- name
theta_h
- description
quick runoff ratio
- units
1
- name
theta_d
- description
drain flow ratio
- units
1
- name
theta_s
- description
soil outflow coefficient
- units
1
- name
theta_z
- description
effective soil depth
- units
kg m-2
- name
theta_sk
- description
surface reservoir residence time
- units
s
- name
theta_fk
- description
interflow reservoir residence time
- units
s
- name
theta_gk
- description
groundwater reservoir residence time
- units
s
States
- name
soil_layers
- units
kg m-2
- divisions
6
- name
overland_store
- units
kg m-2
- name
drain_store
- units
kg m-2
- name
inter_store
- units
kg m-2
- name
shallow_gw_store
- units
kg m-2
- name
deep_gw_store
- units
kg m-2
SpaceDomain Properties
- name
land_sea_mask
- required
False
- name
flow_direction
- required
False
- name
cell_area
- required
False