Consumptive Water Requirement File - Monthly (*.ddc)
The monthly consumptive water requirement (*.ddc) file contains the consumptive requirement for direct diversion and well only structures for each month
of the simulation period. For an irrigation structure the consumptive water requirement is commonly called the Irrigation Water Requirement (IWR). Regardless
if the structure is used for irrigation or municipal or industrial use the consumptive water requirement is the amount of water that would be consumed by that
structure (e.g. no losses or inefficiencies are included). It is only used when the control file (*.ctl) variable efficiency variable (ieffmax) = 1. Data
should be provided for every diversion and well only structure. If data is inadvertently provided for a Well structures that is also served by both Surface
water the data provided under the Diversion ID is used. When data is not provided (e.g. for a municipal or non consumptive demand) the CU requirement is set
to the structures demand / average efficiency provided in the diversion station (*.dds) file or well station (*.wes) file, respectively. Data can be entered
in any order. 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 ('CFS') |
| 1-6 | cyr | Year type |
| 'CYR' = calendar year (1-12) | ||
| 'WYR' = water year (10-9) | ||
| 'IYR' = irrigation year (11-10) | ||
| 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) | CU requirement(AF) for months 1-12 |
Repeat for the number of diversion and Well only stations
Repeat for each year of the simulation