Monthly RTK Hydrographs Data Fields
Monthly RTK Hydrograph data can be edited on either the Monthly RTK Hydrograph Grid Window of the Subcatchments Grid or the Monthly RTK Hydrograph Property Sheet.
All Monthly RTK Hydrograph data can be edited on the grid or the property sheet.
This table describes all the data fields used to define a Monthly RTK Hydrograph object.
Common Data Fields Fields that are common to the majority of objects can be found in the Common Fields topic.
RTK Monthly Hydrograph Data
Database Table Name: hw_unit_hydrograph_month
|
Field Name |
Help Text |
Database Field |
Size |
Precision |
Default |
Error Lower Limit |
Error Upper Limit |
Warning Lower Limit |
Warning Upper Limit |
||
|---|---|---|---|---|---|---|---|---|---|---|---|
|
RTK Hydrograph ID |
The identifier for the RTK hydrograph with which this month is associated. 
Note
This ID must be the same ID as specified for the RTK hydrograph. Data specified for the RTK hydrograph will be overwritten with the data specified for this month. |
ID |
Text |
64 |
|
0 |
|
|
|
|
|
| Month | The month in which the rainfall entered the system. |
ID |
Text |
64 |
|
0 |
|
|
|
|
|
| Response ratio R - short term |
Applicable to short-term rainfall response component of hydrograph for the specified Month. Area under graph representing the proportion of rainfall entering the drainage network. |
R1 |
Double |
|
|
3 |
|
0 |
1 |
|
|
| Time to peak T - short term |
Applicable to short-term rainfall response component of hydrograph for the specified Month. Time from the onset of rainfall to the peak of the triangle of the graph. |
T1 |
Double |
|
RS_HOURS |
3 |
|
0 |
|
|
|
| Recession limb ratio k - short term |
Applicable to short-term rainfall response component of hydrograph for the specified Month. Ratio of 'time to recession' to the 'time to peak' of the graph. |
K1 |
Double |
|
|
3 |
|
0 |
|
|
|
| Response ratio R - medium term |
Applicable to medium-term rainfall response component of hydrograph for the specified Month. Area under graph representing the proportion of rainfall entering the drainage network. |
R2 |
Double |
|
|
3 |
|
0 |
1 |
|
|
| Time to peak T - medium term |
Applicable to medium-term rainfall response component of hydrograph for the specified Month. Time from the onset of rainfall to the peak of the triangle of the graph. |
T2 |
Double |
|
RS_HOURS |
3 |
|
0 |
|
|
|
| Recession limb ratio k - medium term |
Applicable to medium-term rainfall response component of hydrograph for the specified Month. Ratio of 'time to recession' to the 'time to peak' of the graph. |
K2 |
Double |
|
|
3 |
|
0 |
|
|
|
| Response ratio R - long term |
Applicable to long-term rainfall response component of hydrograph for the specified Month. Area under graph representing the proportion of rainfall entering the drainage network. |
R3 |
Double |
|
|
3 |
|
0 |
1 |
|
|
| Time to peak T - long term |
Applicable to long-term rainfall response component of hydrograph for the specified Month. Time from the onset of rainfall to the peak of the triangle of the graph. |
T3 |
Double |
|
RS_HOURS |
3 |
|
0 |
|
|
|
| Recession limb ratio k - long term |
Applicable to long-term rainfall response component of hydrograph for the specified Month. Ratio of 'time to recession' to the 'time to peak' of the graph. |
K3 |
Double |
|
|
3 |
|
0 |
|
|
|
| Max initial abstraction rainfall depth -short term | Maximum initial abstraction rainfall depth for the short-term response for the specified Month. | Dmax1 | Double | RD | 3 | 0 | |||||
| Initial abstraction recovery rate - short term | The abstraction recovery rate for the short-term response for the specified Month. | Drec1 | Double | EV | 3 | 0 | |||||
| Initial abstraction depth - short term | The initial rainfall depth for the short-term response for the specified Month. This value must be less than the specified Max initial abstraction rainfall depth -short term one. | D01 | Double | RD | 3 | 0 | |||||
| Max initial abstraction rainfall depth -medium term | Maximum initial abstraction rainfall depth for the medium-term response for the specified Month. | Dmax2 | Double | RD | 3 | 0 | |||||
| Initial abstraction recovery rate - medium term | The abstraction recovery rate for the medium-term response for the specified Month. | Drec2 | Double | EV | 3 | 0 | |||||
| Initial abstraction depth - medium term | The initial rainfall depth for the medium-term response for the specified month. This value must be less than the specified Max initial abstraction rainfall depth -medium term one. | D02 | Double | RD | 3 | 0 | |||||
| Max initial abstraction rainfall depth -long term | Maximum initial abstraction rainfall depth for the long-term response for the specified Month. | Dmax3 | Double | RD | 3 | 0 | |||||
| Initial abstraction recovery rate - long term | The abstraction recovery rate for the long-term response for the specified Month. | Drec3 | Double | EV | 3 | 0 | |||||
| Initial abstraction depth - long term | The initial rainfall depth for the long-term response for the specified Month. This value must be less than the specified Max initial abstraction rainfall depth -long term one. | D03 | Double | RD | 3 | 0 |
