Direct Flow Demand File - Monthly (*.ddm)
The monthly direct flow demand file contains demands for direct diversions for each month of the simulation period. Monthly data is required when
the diversion station variable idvcom is set to 1 (monthly total demand) or 3 (monthly irrigation water requirement). Data should be entered in the
order of the structure file (*.dds). See Section 7.4.7 for a discussion of various approaches available for specifying demand data; demands may be
specified as a total at the headgate or as a consumptive irrigation water requirement at the farm. This file is read by subroutine MDAINP.
| Row-data | Variable | Description |
|---|---|---|
| Control Data | ||
| 1 | Format (i5,1x,i4,5x,i5,1x,i4,a5,a5) | |
| 1-1 | ibm | Beginning month of data (e.g. 1 = Jan) |
| 1-2 | iby | Beginning year of data (e.g. 1975) |
| 1-3 | iem | Ending month of data |
| 1-4 | iey | Ending year of data |
| 1-5 | cunit | Units of data ('ACFT' or 'CFS') |
| 1-6 | cyr | Year type |
| 'CYR' = calendar year (1-12) | ||
| 'WYR' = water year (10-9) | ||
| 'IYR' = irrigation year (11-12) | ||
| Time Series Data | ||
| 2 | Format (i4, 1x, a12, 12f8.0) | |
| 2-1 | idyr | Year |
| 2-2 | cistat | Demand station ID |
| 2-3 | diverm(1-12,1) | Demands (AF) for months 1-12 |
Repeat for the number of stations numdiv
Repeat for each year of the simulation