Triggers are used to initiate or cancel certain actions for an account, account host, account type or system in a resource assessment system. This page provides details of the different types of triggers available in Resource Assessment systems, along with types of actions that can be initiated.
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| Condition | Description |
|---|---|
| End of water year | Triggers an action at the end of the water year. |
| Function | Triggers an action using a defined function. The format of a function should be as follows: if( A > B,1,0), where “1” indicates the action will occur and “0” means the action will not happen. |
| Monthly trigger | Tiggers an action for a particular month. You must specify whether to offset from the start or end of the month, along with the number of days. |
| Per-timestep | Triggers an action per a specified number of time-steps. You can choose to reset the repeat interval at the start of each water year. |
| Season | Triggers an action for a specified season. You must define and start and end dates. |
| Specified date | Triggers an action on a specified date. |
| Start of water year | Triggers an action at the start of the water year. You can choose to repeat the action at a specified number of timesteps, and whether to reset the repeat interval at the start of each water year. |
| Storage level | Trigger based on a specified storage level. You must specify the storage, the level and whether the level is rising or falling. |
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- If enabled, Available water = Account balance + Carryover Water.
- If disabled, Available water = Account balance + Carryover Water − Spillable water.
| Parameter | |
|---|---|
| Account Balance | The remaining volume/ |
| proportion of water available to an account |
| (not including carryover). | |
Carryover | The remaining volume/proportion of water available to an account that |
| was carried over |
| from the |
| previous water year, ie. Carryover Balance. |
| Carryover Start of Water Year |
| ??? |
| Entitlement |
Annual volumetric entitlement for an account. |
| Total Water |
| Account Balance + Carryover Balance. | |
| Available Water in Account Balance or Available Account Balance | For Annual Accounting systems |
with access to spillable water*: Max(0, Account Balance - Minimum Balance) For Annual Accounting systems |
without access to spillable water |
: Max(0, Account Balance - Max(0, Spillable Water - Carryover Balance) - Minimum Balance) For all other resource assessment systems, this parameter is equivalent to Account Balance. | |
| Available Carryover | For Annual Accounting systems |
with access to spillable water*: Max (0, Carryover Balance - Spillable water) For Annual Accounting systems |
without access to spillable water |
and for all other resource assessment systems,this parameter is equivalent to Carryover. | |
| Available Water | For Annual Accounting systems without access to spillable water: Max(0, Balance + Carryover Balance - Spillable Water - Min Balance) For Annual Accounting systems with access to spillable water*: Max(0, Balance + Carryover Balance - Min Balance) For Annual Accounting systems with access to spillable water*: For all other resource assessment systems, this parameter is equivalent to Total Water. |
| Order / Use Debit |
| Water debited from an account. | |
| Total Usage Water Year |
*Access to spillable water is set at the Account Type level on the Carryover tab by enabling Water Available While Spillable.
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Figure 2. Adjustment trigger
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When not spilling: Balance - minimum balance
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Assign balance
As its name suggests, this trigger assigns the account balance to a specified volume. The original account balance will be replaced by the new assigned value. This can be done for an account type, account host or for an account.
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A specified proportion or a certain amount of water can be carried over from an account type, account host or account to another account type, account host or account within the same or another accounting system. This is in addition to the water in the carryover account balance, which is automatically carried over. The amount of water carried over can be defined as a function of:
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This trigger is usually set at end of water year to carry over unused water from previous water year to the next new water year.
Figure 4. Carryover trigger
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Mapping
For Carryover, Transfer and Transfer Use you can choose between Independent or One-to-One Mapping. This affects how the Source and Destination accounts, account hosts or account types are selected.
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Figure 6. Transfer trigger
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Transfer use
Supports transfer of use between two accounts (ie. re-credits originating the source account and debits the destination account). A positive value represents a transfer out, which increases the account balance; a negative value indicates that use is incoming and reduces the account balance.
Figure 7. Transfer use trigger
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Truncate Total Water
Truncates a specified parameter of an account or account type to a specified ratio or volume of another parameter. For example, in Figure 8, the total water for this account is limited to 50% entitlement. If the total water in this account is less than 50% entitlement, such as only 40% entitlement, then nothing is truncated, the total water in the account will remain as 40% entitlement.
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Figure 8. Truncate total water trigger
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Unit share allocation
This trigger is used to reset allocation to a specified new volume.
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Resets the account balance to zero. This trigger is usually set at end of water year to clear up account for this water year and give a fresh new start for the next water year.
| Info |
|---|
This the only trigger type that is available in Continuous Accounting. Write-off triggers are automatically created for each High Security Group account type when a new continuous account system is added. |
Figure 10. Write-off trigger
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