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Identification

Field Value

Title

Water Modelling-Modelled Data-Long-term average annual extraction limit (LTAAEL)-Lachlan

Alternative title(s)

LTAAEL

Abstract

Long-term average annual extraction limit (LTAAEL) is a regulatory limit set on annual water extractions from a river system. It ensures that average extractions over the long term are sustainable, and thus help prevent environmental degradation.

In NSW these limits are defined by water sharing plans (WSPs). Every WSP outlines how the water in a river system will be shared over a 10-year period. They also define:

• how LTAAEL compliance is to be assessed for each river system

• what conditions will trigger noncompliance action

• what compliance action can be taken.

The Natural Resources Commission regularly reviews all WSPs to ensure extractions from each river system are within the limits set, and the Murray-Darling Basin Authority reviews sustainable diversion limit (SDL) compliance each year.

To assess compliance, we model LTAAEL using a model that has been configured to represent the development and management rules defined by a system WSP (this refers to as LTAAEL model). We then compare this modelled LTAAEL with the modelled under current conditions long-term average annual extractions (LTAAEs) (which are usually those modelled by the annual permitted take, or APT, model). Although, the LTAAEL includes multiple types of water use, the compliance assessment is based on the total. We do this annually using the best available models, and the outcomes are published on the DPE website.

Where river system’s LTAAE exceed LTAAEL, the system is considered noncompliant. If the noncompliance trigger conditions in the WSP are met, noncompliance action is taken.

The data set provided contains flows at several gauges in each river system, as simulated by the annually extended LTAAEL model. Notwithstanding the model’s inherent limitations, these are a fair representation of those we would expect under WSP operation and development conditions. They can be compared with flows simulated by other key scenario models, such as annual permitted take (APT) model or without development (WOD) model.

Resource locator

Data Quality Statement

Name: Data Quality Statement

Protocol: WWW:DOWNLOAD-1.0-http--download

Description:

Data quality statement for Water Modelling-Modelled Data-Long-term average annual extraction limit (LTAAEL)

Function: download

412002_Lachlan@Cowra

Name: 412002_Lachlan@Cowra

Protocol: WWW:DOWNLOAD-1.0-http--download

Description:

The version of the WSP model as at 18/07/2023 with data covering period from 01/07/1895 to 30/06/2022. From the WSP scenario model which is derived from the accredited Cap scenario model. Model is run using IQQM software version 7.95.0 RC5 [Rev3737 Dirty] from 01/01/1895.

Function: download

412004_Lachlan@Forbes

Name: 412004_Lachlan@Forbes

Protocol: WWW:DOWNLOAD-1.0-http--download

Description:

The version of the WSP model as at 18/07/2023 with data covering period from 01/07/1895 to 30/06/2022. From the WSP scenario model which is derived from the accredited Cap scenario model. Model is run using IQQM software version 7.95.0 RC5 [Rev3737 Dirty] from 01/01/1895.

Function: download

412005_Lachlan@Booligal

Name: 412005_Lachlan@Booligal

Protocol: WWW:DOWNLOAD-1.0-http--download

Description:

The version of the WSP model as at 18/07/2023 with data covering period from 01/07/1895 to 30/06/2022. From the WSP scenario model which is derived from the accredited Cap scenario model. Model is run using IQQM software version 7.95.0 RC5 [Rev3737 Dirty] from 01/01/1895.

Function: download

412014_Goobang@Condobolin

Name: 412014_Goobang@Condobolin

Protocol: WWW:DOWNLOAD-1.0-http--download

Description:

The version of the WSP model as at 18/07/2023 with data covering period from 01/07/1895 to 30/06/2022. From the WSP scenario model which is derived from the accredited Cap scenario model. Model is run using IQQM software version 7.95.0 RC5 [Rev3737 Dirty] from 01/01/1895.

Function: download

412016_Wallamundry@OfftakeIsland

Name: 412016_Wallamundry@OfftakeIsland

Protocol: WWW:DOWNLOAD-1.0-http--download

Description:

The version of the WSP model as at 18/07/2023 with data covering period from 01/07/1895 to 30/06/2022. From the WSP scenario model which is derived from the accredited Cap scenario model. Model is run using IQQM software version 7.95.0 RC5 [Rev3737 Dirty] from 01/01/1895.

Function: download

412017_Bumbuggan@Offtake

Name: 412017_Bumbuggan@Offtake

Protocol: WWW:DOWNLOAD-1.0-http--download

Description:

The version of the WSP model as at 18/07/2023 with data covering period from 01/07/1895 to 30/06/2022. From the WSP scenario model which is derived from the accredited Cap scenario model. Model is run using IQQM software version 7.95.0 RC5 [Rev3737 Dirty] from 01/01/1895.

Function: download

412021_Lachlan@BooberoiWeir

Name: 412021_Lachlan@BooberoiWeir

Protocol: WWW:DOWNLOAD-1.0-http--download

Description:

The version of the WSP model as at 18/07/2023 with data covering period from 01/07/1895 to 30/06/2022. From the WSP scenario model which is derived from the accredited Cap scenario model. Model is run using IQQM software version 7.95.0 RC5 [Rev3737 Dirty] from 01/01/1895.

Function: download

412023_Island@Fairholme

Name: 412023_Island@Fairholme

Protocol: WWW:DOWNLOAD-1.0-http--download

Description:

The version of the WSP model as at 18/07/2023 with data covering period from 01/07/1895 to 30/06/2022. From the WSP scenario model which is derived from the accredited Cap scenario model. Model is run using IQQM software version 7.95.0 RC5 [Rev3737 Dirty] from 01/01/1895.

Function: download

412026_Lachlan@Oxley

Name: 412026_Lachlan@Oxley

Protocol: WWW:DOWNLOAD-1.0-http--download

Description:

The version of the WSP model as at 18/07/2023 with data covering period from 01/07/1895 to 30/06/2022. From the WSP scenario model which is derived from the accredited Cap scenario model. Model is run using IQQM software version 7.95.0 RC5 [Rev3737 Dirty] from 01/01/1895.

Function: download

412034_Lachlan@CondobolinWeir

Name: 412034_Lachlan@CondobolinWeir

Protocol: WWW:DOWNLOAD-1.0-http--download

Description:

The version of the WSP model as at 18/07/2023 with data covering period from 01/07/1895 to 30/06/2022. From the WSP scenario model which is derived from the accredited Cap scenario model. Model is run using IQQM software version 7.95.0 RC5 [Rev3737 Dirty] from 01/01/1895.

Function: download

412036_Lachlan@DSJemalongWeir

Name: 412036_Lachlan@DSJemalongWeir

Protocol: WWW:DOWNLOAD-1.0-http--download

Description:

The version of the WSP model as at 18/07/2023 with data covering period from 01/07/1895 to 30/06/2022. From the WSP scenario model which is derived from the accredited Cap scenario model. Model is run using IQQM software version 7.95.0 RC5 [Rev3737 Dirty] from 01/01/1895.

Function: download

412038_Lachlan@USWillandraWeir

Name: 412038_Lachlan@USWillandraWeir

Protocol: WWW:DOWNLOAD-1.0-http--download

Description:

The version of the WSP model as at 18/07/2023 with data covering period from 01/07/1895 to 30/06/2022. From the WSP scenario model which is derived from the accredited Cap scenario model. Model is run using IQQM software version 7.95.0 RC5 [Rev3737 Dirty] from 01/01/1895.

Function: download

412039_Lachlan@HillstonWeir

Name: 412039_Lachlan@HillstonWeir

Protocol: WWW:DOWNLOAD-1.0-http--download

Description:

The version of the WSP model as at 18/07/2023 with data covering period from 01/07/1895 to 30/06/2022. From the WSP scenario model which is derived from the accredited Cap scenario model. Model is run using IQQM software version 7.95.0 RC5 [Rev3737 Dirty] from 01/01/1895.

Function: download

412045_Lachlan@Corrong

Name: 412045_Lachlan@Corrong

Protocol: WWW:DOWNLOAD-1.0-http--download

Description:

The version of the WSP model as at 18/07/2023 with data covering period from 01/07/1895 to 30/06/2022. From the WSP scenario model which is derived from the accredited Cap scenario model. Model is run using IQQM software version 7.95.0 RC5 [Rev3737 Dirty] from 01/01/1895.

Function: download

412057_Lachlan@Nanami

Name: 412057_Lachlan@Nanami

Protocol: WWW:DOWNLOAD-1.0-http--download

Description:

The version of the WSP model as at 18/07/2023 with data covering period from 01/07/1895 to 30/06/2022. From the WSP scenario model which is derived from the accredited Cap scenario model. Model is run using IQQM software version 7.95.0 RC5 [Rev3737 Dirty] from 01/01/1895.

Function: download

412078_Lachlan@Whealbah

Name: 412078_Lachlan@Whealbah

Protocol: WWW:DOWNLOAD-1.0-http--download

Description:

The version of the WSP model as at 18/07/2023 with data covering period from 01/07/1895 to 30/06/2022. From the WSP scenario model which is derived from the accredited Cap scenario model. Model is run using IQQM software version 7.95.0 RC5 [Rev3737 Dirty] from 01/01/1895.

Function: download

Unique resource identifier

Code

e1b790f9-e8fb-4fb1-80c0-2f732400fc6b

Presentation form

Document digital

Edition

1.0

Dataset language

English

Metadata standard

Name

ISO 19115

Edition

2016

Dataset URI

https://datasets.seed.nsw.gov.au/dataset/e1b790f9-e8fb-4fb1-80c0-2f732400fc6b

Purpose

The data set provided contains flows at several gauges in each river system, as simulated by the annually extended LTAAEL model. Notwithstanding the model’s inherent limitations, these are a fair representation of those we would expect under WSP operation and development conditions. They can be compared with flows simulated by other key scenario models, such as annual permitted take (APT) model or without development (WOD) model.

Status

Completed

Spatial representation type

None

Spatial reference system

Code identifying the spatial reference system

4283

Classification of spatial data and services

Field Value

Topic category

Keywords

Field Value

Keyword set

keyword value

WATER

WATER-Surface

Originating controlled vocabulary

Title

ANZLIC Search Words

Reference date

2008-05-16

Geographic location

West bounding longitude

143.82

East bounding longitude

149.97

North bounding latitude

-35.41

South bounding latitude

-32.2

NSW Place Name

Lachlan

Vertical extent information

Minimum value

-100

Maximum value

2228

Coordinate reference system

Authority code

urn:ogc:def:cs:EPSG::

Code identifying the coordinate reference system

5711

Temporal extent

Begin position

1895-01-01

End position

N/A

Dataset reference date

Resource maintenance

Maintenance and update frequency

Annually

Contact info

Contact position

Data Broker

Organisation name

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

Telephone number

131555

Email address

data.broker@environment.nsw.gov.au

Web address

https://www.nsw.gov.au/departments-and-agencies/dcceew

Responsible party role

pointOfContact

Constraints related to access and use

Field Value

Limitations on public access

Responsible organisations

Field Value

Responsible party

Contact position

Data Broker

Organisation name

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

Telephone number

131555

Email address

data.broker@environment.nsw.gov.au

Web address

https://www.nsw.gov.au/departments-and-agencies/dcceew

Responsible party role

pointOfContact

Metadata on metadata

Field Value

Metadata point of contact

Contact position

Data Broker

Organisation name

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

Telephone number

131555

Email address

data.broker@environment.nsw.gov.au

Web address

https://www.nsw.gov.au/departments-and-agencies/dcceew

Responsible party role

pointOfContact

Metadata date

2024-02-26T13:31:53.904406

Metadata language