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Hydrologic Modelling of Connectivity Expert Panel Recommendations 2025

data.nsw.gov.au
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ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rfr_id=info%3Asid%2FANDS&rft_id=http://data.nsw.gov.au/data/dataset/northern-basin-connectivity-hydrologic-modelling-of-connectivity-expert-panel-recommendations-2025&rft.title=Hydrologic Modelling of Connectivity Expert Panel Recommendations 2025&rft.identifier=http://data.nsw.gov.au/data/dataset/northern-basin-connectivity-hydrologic-modelling-of-connectivity-expert-panel-recommendations-2025&rft.publisher=data.nsw.gov.au&rft.description=Hydrologic modelling assessment of the Connectivity Expert Panel recommendations\r\n(Hydrologic Modelling Scenarios)\r\n\r\nThe Connectivity Expert Panel recommended objectives and a proposed approach for improving flows into the Barwon-Darling River in dry and non-dry times. These recommendations have been made independent of government and do not represent government policy.\r\n\r\nThe government made a commitment to complete and release analysis of potential water sharing plan rules that would result in the implementation of the Panel’s recommendations. This is to help understand the potential hydrologic, environmental and economic benefits and impacts of any changes.\r\n\r\nHydrologic modelling has been completed to inform this assessment. The modelling includes a base case for comparison and six different approaches (scenarios) which aim to achieve the Panel’s objectives.\r\n\r\nThe six scenarios are:\r\n\r\n-\t__Scenario 1__ - End of System – High Security Accounts \r\n-\t__Scenario 2__ - End of System – Translucency \r\n-\t__Scenario 3__ - Extended Resumption of Flow \r\n-\t__Scenario 4__ - Connectivity EWA – Dam Inflow Trigger \r\n-\t__Scenario 5__ - Connectivity EWA – Bourke Flow Trigger\r\n-\t__Scenario 6__ - Combination – Extended Resumption of Flow, End of System - Translucency, and Connectivity EWA – Bourke Flow\r\n\r\nAll scenario assessments were completed using the latest approved version of the models.\r\n\r\nFor each scenario, the hydrologic modelling provides information on:\r\n\r\n-\tchange in flows at gauges relative to base case\r\n-\tchange in water that can be extracted by each licence type relative to base case\r\n\r\n-----------------------------------\r\nNote: See _Analysis of the Connectivity Expert Panel Recommendations: Hydrologic modelling assessment.pdf_ (attached) for more details. \r\n\r\nNote: If you would like to ask a question, make any suggestions, or tell us how you are using this dataset, please visit the [NSW Water Hub which has an online forum](https://water-hub.seed.nsw.gov.au/thread/search) you can join.&rft.creator=Anonymous&rft.date=2026&rft.coverage=141,-32 141,-28 154,-28 154,-32 141,-32&rft_rights=Creative Commons Attribution http://www.opendefinition.org/licenses/cc-by&rft_subject=Analytics&rft_subject=Connectivity&rft_subject=DCCEEW - Water&rft_subject=DCCEEW - Water Analytics&rft_subject=Modelling&rft_subject=Models&rft.type=dataset&rft.language=English Access the data
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Brief description

Hydrologic modelling assessment of the Connectivity Expert Panel recommendations
(Hydrologic Modelling Scenarios)

The Connectivity Expert Panel recommended objectives and a proposed approach for improving flows into the Barwon-Darling River in dry and non-dry times. These recommendations have been made independent of government and do not represent government policy.

The government made a commitment to complete and release analysis of potential water sharing plan rules that would result in the implementation of the Panel’s recommendations. This is to help understand the potential hydrologic, environmental and economic benefits and impacts of any changes.

Hydrologic modelling has been completed to inform this assessment. The modelling includes a base case for comparison and six different approaches (scenarios) which aim to achieve the Panel’s objectives.

The six scenarios are:

-\t__Scenario 1__ - End of System – High Security Accounts
-\t__Scenario 2__ - End of System – Translucency
-\t__Scenario 3__ - Extended Resumption of Flow
-\t__Scenario 4__ - Connectivity EWA – Dam Inflow Trigger
-\t__Scenario 5__ - Connectivity EWA – Bourke Flow Trigger
-\t__Scenario 6__ - Combination – Extended Resumption of Flow, End of System - Translucency, and Connectivity EWA – Bourke Flow

All scenario assessments were completed using the latest approved version of the models.

For each scenario, the hydrologic modelling provides information on:

-\tchange in flows at gauges relative to base case
-\tchange in water that can be extracted by each licence type relative to base case

-----------------------------------
Note: See _Analysis of the Connectivity Expert Panel Recommendations: Hydrologic modelling assessment.pdf_ (attached) for more details.

Note: If you would like to ask a question, make any suggestions, or tell us how you are using this dataset, please visit the [NSW Water Hub which has an online forum](https://water-hub.seed.nsw.gov.au/thread/search) you can join.

141,-32 141,-28 154,-28 154,-32 141,-32

147.5,-30

Subjects
Analytics | Connectivity | DCCEEW - Water | DCCEEW - Water Analytics | Modelling | Models |

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Other Information
NSW Department of Climate Change, Energy, the Environment and Water

url : http://data.nsw.gov.au/data/organization/nsw-department-of-climate-change-energy-the-environment-and-water

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