Monthly Pixel based Soil Moisture Balance

Data

Input Data

Variable Name	Shortname	Timestep	DataType
Precipitation	p	monthly	netCDF
Actual Evapotranspiration	et	monthly	netCDF
Interception	i	monthly	netCDF
Number of Rainy Days	nRD	monthly	netCDF
Reference Evapotranspiration	ret	monthly	netCDF
WaPOR Land Cover Classification	lcc	yearly	netCDF
WA+ Landuse Categories	luwa	yearly	netCDF
Saturated Water Content	thetasat	static	netCDF

Look-up tables

Root depth look-up table (Yang et al., 2016)

WaPOR Land Cover Class	Root depth (mm)
Shrubland	370
Grassland	510
Cropland, rainfed	550
Cropland, irrigated or under water management	550
Cropland, fallow	550
Built-up	370
Bare/sparse vegetation	370
Permanent snow/ice	0
Water bodies	0
Temporary water bodies	0
Shrub or herbaceous cover, flooded	0
Tree cover: closed, evergreen needle-leaved	1800
Tree cover: closed, evergreen broad-leaved	3140
Tree cover: closed, deciduous broad-leaved	1070
Tree cover: closed, mixed type	2000
Tree cover: closed, unknown type	2000
Tree cover: open, evergreen needle-leaved	1800
Tree cover: open, evergreen broad-leaved	3140
Tree cover: open, deciduous needle-leaved	1070
Tree cover: open, deciduous broad-leaved	1070
Tree cover: open, mixed type	2000
Tree cover: open, unknown type	2000
Seawater	0

Consumed fraction per land use class

Landuse/Land cover class	Consumed fraction (f_consumed)
Natural land use classes	1.00
Rainfed crops	1.00
Irrigated crops	0.80

Intermediate variables

Variable Name	Shortname	Timestep	DataType
Supply	qsupply	monthly	xarray.DataArray
Surface Runoff	sro	monthly	xarray.DataArray
Incremental Surface Runoff	sro_incr	monthly	xarray.DataArray
Percolation	perc	monthly	xarray.DataArray
Incremental Percolation	perc_incr	monthly	xarray.DataArray
Soil moisture storage	sm	monthly	xarray.DataArray

Output Data

Variable Name	Shortname	Timestep	DataType
Rainfall ET	etrain	monthly	netCDF
Incremental ET	etincr	monthly	netCDF

Methodology

Reference

Yang, Y., Donohue, R.J., McVicar, T.R., 2016. Global estimation of effective plant rooting depth: Implications for hydrological modeling. Water Resour. Res. 52, 8260–8276. https://doi.org/10.1002/2016WR019392