Embedded Files
You can copy this sample file to create your own paddy soil file. Just change the values, then copy and paste as an ordinary text file.
*-------------------------------------------------------------------------*
* Standard soil data (PADDY) file for ORYZA V3 rice growth model *
* File name : standard.sol *
*-------------------------------------------------------------------------*
* Code name of soil data file to match the water balance PADDY:
SCODE = 'PADDY'
*-------------------------------------------------------------------------*
* 1. Various soil and management parameters *
*-------------------------------------------------------------------------*
WL0MX = 50. ! Bund height (mm)
NL = 9 ! Number of soil layers (maximum is 10) (-)
TKL = 3*0.05, 3*0.05, 0.10, 0.20, 0.20 ! Thickness of each soil layer (m)
ZRTMS = 1.0 ! Maximum rooting depth in the soil (m)
*-------------------------------------------------------------------------*
* 2. Puddling switch: 1=PUDDLED or 0=NON PUDDLED *
*-------------------------------------------------------------------------*
*SWITPD = 0 ! Non puddled
SWITPD = 1 ! Puddled
* If PUDDLED, supply parameters for puddled soil
NLPUD = 3 ! Number of puddled soil layers, including the plow sole (-)
! (NLPUD cannot exceed the total number of soil layers NL)
* Saturated volumetric water content of ripened (previously puddled)
* soil (m3 m-3), for each soil layer:
WCSTRP = 3*0.52, 3*0.55, 2*0.61, 0.64
* Soil water tension of puddled soil layer at which cracks reach
* break through the plow sole (pF):
PFCR = 6.0
*-------------------------------------------------------------------------*
* 3. Groundwater switch: *
* 0=DEEP (i.e., not in profile), 1=DATA (supplied), 2=CALCULATE *
*-------------------------------------------------------------------------*
SWITGW = 0 ! Deep groundwater
*SWITGW = 2 ! Calculate groundwater
*SWITGW = 1 ! Groundwater data
* If DATA, supply table of groundwater table depth (cm; Y-value)
* as function of calendar day (d; X value):
ZWTB = 1.,500.,
366.,500.
* If CALCULATE, supply the following parameters:
ZWTBI = 500. ! Initial groundwater table depth (cm)
MINGW = 500. ! Minimum groundwater table depth (cm)
MAXGW = 500. ! Maximum groundwater table depth (cm)
ZWA = 1.0 ! Receding rate of groundwater with no recharge (cm d-1)
ZWB = 0.5 ! Sensitivity factor of groundwater recharge (-)
*------------------------------------------------------------------------*
* 4. Percolation switch *
* Value for SWITVP can not be 1 (CALCULATE) for non-puddled soil *
*------------------------------------------------------------------------*
SWITVP = -1 ! Fixed percolation rate
*SWITVP = 0 ! Percolation as function of the groundwater depth
*SWITVP = 1 ! Calculate percolation
* If SWITVP = -1, supply fixed percolation rate (mm d-1):
FIXPERC = 10.0 ! 3.0
* If SWITVP = 0, supply table of percolation rate (mm d-1; Y-value)
* as function of water table depth (cm; X value):
*PERTB = 0., 3.,
* 200., 3.
*------------------------------------------------------------------------*
* 5. Conductivity switch: 0=NO DATA, 1=VAN GENUCHTEN or 2=POWER *
* function used *
*------------------------------------------------------------------------*
*SWITKH = 0 ! No data
*SWITKH = 2 ! Power
SWITKH = 1 ! van Genuchten
*------------------------------------------------------------------------*
* 6. Water retention switch: *
* 0=DATA; 1=VAN GENUCHTEN *
* When DATA, data have to be supplied for saturation, field capacity, *
* wilting point and at air dryness *
*------------------------------------------------------------------------*
*SWITPF = 0 ! Data
SWITPF = 1 ! van Genuchten
*------------------------------------------------------------------------*
*7.A. Soil physical properties *
* These parameters will be used when model runs under actual water or *
* nitrogen condition, or even both. Otherwise these parameter will not be*
* used. *
*------------------------------------------------------------------------*
CLAYX = 0.55,0.55,0.55,0.55,0.53,0.5,3*0.45 ! soil clay content, fraction
SANDX = 0.08,0.08,0.08,0.08,0.1,0.13,3*0.18 ! soil sand content, fraction
BD = 1.17894,1.17894,1.17911,1.42734,1.2695,1.31061,3*1.37562 ! soil sand
! content, fraction
*Soil organic carbon and nitrogen content in kg C or N/ha
SOC = 31831.64999,31831.64999,20044.87,48529.56,8632.66799,2673.6648,280.62648,28.063,2.8063
SON = 2829.48,2829.48,1886.576,4567.488,812.4864,251.639039,26.411903,2.64, 0.264
SNH4X = 28.295,28.295,18.87,45.67,8.12,2.50,0.26,0.026,0.00264
SNO3X = 5.66,5.66,3.774,9.134,1.624,0.5,0.052,0.0052,0.00052
*Fresh organic carbon and nitrogen input at soil layers
*FORGANC =200.0,150.0,100.0,50.0,5*0.0 ! Fresh organic residue carbon input
! from previous crop at kg C/ha
*FORGANN =4.0,3.0,2.0,1.0,5*0.0 ! Fresh organic residue nitrogen input
! from previous crop at kg N/ha
* If the carbonhydrate and cellulous fractions are available in soil residue
* carbon input. Otherwise, the default values will be used
*FCarbonh =
*FCellulo =
*RCarbonh =
*RCellulo =
*-----------------------------------------------------------------------*
* 7.B. Soil hydrological properties. *
* Required type of data input according to setting of conductivity and *
* water retention switch *
*-----------------------------------------------------------------------*
* Saturated hydraulic conductivity, for each soil layer
* (cm d-1) (always required!):
KST = 2*127.0, 0.3, 3*35.0, 2*103.0, 42.0
* Saturated volumetric water content, for each soil layer
* (m3 m-3)(always required!):
WCST = 3*0.52, 3*0.55, 2*0.61, 0.64
* Van Genuchten parameters, for each soil layer
* (needed if SWITKH = 1 and/or SWITPF = 1):
VGA = 3*0.127, 3*0.047, 2*0.078, 0.032 ! a parameter (cm-1)
VGL = 3*-6.2, 3*-0.6, 2*-4.9, -11.1 ! l parameter (-)
VGN = 3*1.119, 3*1.095, 2*1.076, 1.073 ! n parameter (-)
VGR = 9*0.01 ! residual water content (-)
* Power function parameters, for each soil layer (-)
* (needed if SWITKH = 2):
*PN = 3*-2.5, 3*-2.5, 2*-2.5, -2.5
* Volumetric water content at field capacity, for each soil layer
* (m3 m-3)(needed if SWITPF = 0):
*WCFC = 3*0.48, 3*0.47, 2*0.52, 0.58
* Volumetric water content at wilting point, for each soil layer
* (m3 m-3) (needed if SWITPF = 0):
*WCWP = 9*0.21
* Volumetric water content at air dryness, for each soil layer
* (m3 m-3) (needed if SWITPF = 0):
*WCAD = 9*0.01
*-----------------------------------------------------------------------*
* 8. Initialization conditions, and re-initialization *
*-----------------------------------------------------------------------*
WL0I = 0. ! Initial ponded water depth at start of simulation (mm)
* Initial volumetric water content at the start of simulation,
* for each soil layer (m3 m-3):
WCLI = 3*0.52, 3*0.47, 2*0.52, 0.58
* Initial ponded water depth and water contents may be reset:
* Ponded water depth: at minimum of WL0I and WL0MX
* Water contents in all soil layers: at saturation value
* For direct-seeded rice, this happens at sowing, for transplanted
* rice, this happens at transplanting
* Re-initialize switch RIWCLI is YES or NO
*RIWCLI = 'NO'
RIWCLI = 'YES'
*-----------------------------------------------------------------------*
* 9. Initialization of soil thermal conditions *
*-----------------------------------------------------------------------*
SATAV = 25.0 ! Soil annual avaerage temperature of the first layers
SOILT = 27.0, 25.0, 23.0, 21.0, 19.0, 4*17.0 ! Initial soil temperature in each layer
* ! Have to provide above either one or two of the above paremeters,
* ! otherwise, model start the calculation of soil temperature at 0 degree
*-----------------------------------------------------------------------*
* 10. Observations/measurements *
* Switches to force observed water content in water balance *
*-----------------------------------------------------------------------*
* WCL1_OBS, WCL2_OBS,...WCL10_OBS : Observed soil water contents
* in layer 1, 2, ..., 10. Format: year, day number, water content
* Not obligatory to give data
* Table for interpolation of water content between soil layers for
* those layers for which no observations were made: first number is
* the soil layer for which interpolation needs to be done, the second
* is the number of the underlying soil layer, the third is the number
* of the overlying soil layer. No interpolation is performed when all
* three numbers are the same:
WCLINT = 1, 1, 1,
2, 2, 2,
3, 3, 3,
4, 4, 4,
5, 5, 5,
6, 6, 6,
7, 7, 7,
8, 8, 8,
9, 9, 9
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