Mr. Kashyap and others:

On page 27 of DSSAT Volume 4 a procedure is presented on how to match your
simulated soil moisture data with observed soil moisture for graphing and
other output purposes.

Regards,

GH

At 10:40 AM 10/12/2001 +0530, you wrote:
>Dear Members
>
>I am using DSSAT 3.5 for peanut crop growth simulation. The root zone of
>the crop is 60 cm.Presently I have come across one more difficulty
>regarding water balance as given below.
>
>The detailed water balance output file shows layer wise moisture content
>and root zone soil water storage. I tried to calculate root zone soil
>water storage on the basis of simulated layer wise soil moisture content.
>However, the simulated and calculated soil water storage are not matching.
>I do not know how DSSAT calculates soil water storage. Please advise in
>this regard. A truncated view of the output file is given here for your
>reference.
>
>
>       Date  SoilWater cm3/cm3 Layerwise
>
>
>
>
>
>
>
>
>
>
>      SW storage
>       simulated
>      0_5
>      5_15
>      15_30
>      30_45
>      45_60
>      Layer wise storage, mm
>      Total SW storage, mm
>      60_90
>
>
>      SWXD
>      SW1D
>      SW2D
>      SW3D
>      SW4D
>      SW5D
>
>
>
>
>
>      Calculated
>      SW6D
>
>       5-Feb-2001
>      139.0
>      0.191
>      0.214
>      0.241
>      0.253
>      0.273
>      9.55
>      21.4
>      36.15
>      37.95
>      40.95
>      146.0
>      0.284
>
>       6-Feb-2001
>      177.5
>      0.237
>      0.264
>      0.281
>      0.29
>      0.303
>      11.85
>      26.4
>      42.15
>      43.5
>      45.45
>      169.4
>      0.311
>
>       7-Feb-2001
>      153.9
>      0.2
>      0.234
>      0.257
>      0.268
>      0.285
>      10
>      23.4
>      38.55
>      40.2
>      42.75
>      154.9
>      0.295
>
>       8-Feb-2001
>      144.3
>      0.184
>      0.22
>      0.247
>      0.259
>      0.278
>      9.2
>      22
>      37.05
>      38.85
>      41.7
>      148.8
>      0.288
>
>
>
>Thanking you.
>With best regards.
>
>Pradeep
>_________________________________
>Pradeep Singh Kashyap, Ph.D.
>Research Associate
>Department of Agricultural & Food Engg.
>Indian Institute of Technology
>Kharagpur (WB) - 721 302
>India
>_________________________________
>Tel:  091-3222-83138 (O) 83139 (R)
>Fax: 091-3222-82244 & 55303
>Alternate E-mail: [log in to unmask]
>_________________________________