Data

HUN Comparison of model variability and interannual variability

data.gov.au
Bioregional Assessment Program (Owned by)
Viewed: [[ro.stat.viewed]] Cited: [[ro.stat.cited]] Accessed: [[ro.stat.accessed]]
ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rfr_id=info%3Asid%2FANDS&rft_id=http://data.gov.au/data/dataset/d2b16fec-fdf9-443e-a535-e69ae2703b04&rft.title=HUN Comparison of model variability and interannual variability&rft.identifier=1c0a19f9-98c2-4d92-956d-dd764aaa10f9&rft.publisher=data.gov.au&rft.description=## **Abstract** \n\nThe dataset was derived by the Bioregional Assessment Programme from multiple source datasets. The source datasets are identified in the Lineage field in this metadata statement. The processes undertaken to produce this derived dataset are described in the History field in this metadata statement. \n\n\n\nThese are the data summarising the modelled Hydrological Response Variable (HRV) variability versus climate interannual variability which has been used as an indicator of risk. For example, to understand the significance of the modelled increases in low-flow days, it is useful to look at them in the context of the interannual variability in low-flow days due to climate. In other words, are the modelled increases due to additional coal resource development within the natural range of variability of the longer-term flow regime, or are they potentially moving the system outside the range of hydrological variability it experiences under the current climate? The maximum increase in the number of low-flow days due to additional coal resource development relative to the interannual variability in low-flow days under the baseline has been adopted to put some context around the modelled changes. If the maximum change is small relative to the interannual variability due to climate (e.g. an increase of 3 days relative to a baseline range of 20 to 50 days), then the risk of impacts from the changes in low-flow days is likely to be low. If the maximum change is comparable to or greater than the interannual variability due to climate (e.g. an increase of 200 days relative to a baseline range of 20 to 50 days), then there is a greater risk of impact on the landscape classes and assets that rely on this water source. Here changes comparable to or greater than interannual variability are interpreted as presenting a risk. However, the change due to the additional coal resource development is additive, so even a 'less than interannual variability' change is not free from risk. Results of the interannual variability comparison should be viewed as indicators of risk.\n\n## **Dataset History** \n\nThis dataset is generated using 1000 HRV simulations together with climate inputs. Ratios between the variability in HRVs, and the variability attributable interannual variability due to climate, were calculated for the HRVs. Results of the interannual variability comparison should be viewed as indicators of risk.\n\n## **Dataset Citation** \n\nBioregional Assessment Programme (2017) HUN Comparison of model variability and interannual variability. Bioregional Assessment Derived Dataset. Viewed 13 March 2019, http://data.bioregionalassessments.gov.au/dataset/1c0a19f9-98c2-4d92-956d-dd764aaa10f9.\n\n## **Dataset Ancestors** \n\n* **Derived From** [River Styles Spatial Layer for New South Wales](https://data.gov.au/data/dataset/06fb694b-d2f1-4338-ab65-a707c02f11d7)\n\n* **Derived From** [SYD ALL climate data statistics summary](https://data.gov.au/data/dataset/b0a6ccf1-395d-430e-adf1-5068f8371dea)\n\n* **Derived From** [HUN AWRA-R Observed storage volumes Glenbawn Dam and Glennies Creek Dam](https://data.gov.au/data/dataset/9c2dccdb-ef46-48c7-bfe1-946ab57645e5)\n\n* **Derived From** [Hunter River Salinity Scheme Discharge NSW EPA 2006-2012](https://data.gov.au/data/dataset/1647c153-5120-4c64-a5e8-6a1b4b0b4e4b)\n\n* **Derived From** [HUN AWRA-R simulation nodes v01](https://data.gov.au/data/dataset/fda20928-d486-49d2-b362-e860c1918b06)\n\n* **Derived From** [Bioregional Assessment areas v06](https://data.gov.au/data/dataset/54d7cc96-5129-450a-aef4-73197f9bc09d)\n\n* **Derived From** [Hunter AWRA Hydrological Response Variables (HRV)](https://data.gov.au/data/dataset/a84b2431-24e3-4537-ae50-84f4e955ebdc)\n\n* **Derived From** [GEODATA 9 second DEM and D8: Digital Elevation Model Version 3 and Flow Direction Grid 2008](https://data.gov.au/data/dataset/ebcf6ca2-513a-4ec7-9323-73508c5d7b93)\n\n* **Derived From** [HUN AWRA-L simulation nodes_v01](https://data.gov.au/data/dataset/ae5129b2-bc29-4317-b72c-fe554fe7d315)\n\n* **Derived From** [Bioregional Assessment areas v04](https://data.gov.au/data/dataset/e8a2d577-c5c5-4e2c-b0fa-53e4b2d4a034)\n\n* **Derived From** [HUN AWRA-R Gauge Station Cross Sections v01](https://data.gov.au/data/dataset/93fbc2b9-463c-42f6-8817-cb45a54ee28e)\n\n* **Derived From** [Gippsland Project boundary](https://data.gov.au/data/dataset/27413de5-d13a-4231-ac79-fc77f4cbb5f7)\n\n* **Derived From** [Natural Resource Management (NRM) Regions 2010](https://data.gov.au/data/dataset/1d54e38f-4051-4f0c-a350-c7dbd8eba65b)\n\n* **Derived From** [BA All Regions BILO cells in subregions shapefile](https://data.gov.au/data/dataset/08933408-de61-4eb0-ab41-a6ff59f92a96)\n\n* **Derived From** [Hunter Surface Water data v2 20140724](https://data.gov.au/data/dataset/1934f57d-c6d6-43d1-abcd-1cf957f3e7e2)\n\n* **Derived From** [HUN AWRA-R River Reaches Simulation v01](https://data.gov.au/data/dataset/43f10e76-4541-433a-8b3c-deed9655ce05)\n\n* **Derived From** [HUN AWRA-L simulation nodes v02](https://data.gov.au/data/dataset/9e947329-d7ca-4e83-a5a9-5581a8731dd5)\n\n* **Derived From** [GEODATA TOPO 250K Series 3, File Geodatabase format (.gdb)](https://data.gov.au/data/dataset/96ebf889-f726-4967-9964-714fb57d679b)\n\n* **Derived From** [HUN AWRA-R Irrigation Area Extents and Crop Types v01](https://data.gov.au/data/dataset/90013748-6247-47ad-bddb-07a9c2d857cd)\n\n* **Derived From** [GEODATA TOPO 250K Series 3](https://data.gov.au/data/dataset/a0650f18-518a-4b99-a553-44f82f28bb5f)\n\n* **Derived From** [NSW Catchment Management Authority Boundaries 20130917](https://data.gov.au/data/dataset/0dc4272e-c081-4ed4-9645-aa336ffacd85)\n\n* **Derived From** [Geological Provinces - Full Extent](https://data.gov.au/data/dataset/0a064b3b-2a1e-4672-80d9-03333be67aad)\n\n* **Derived From** [BA SYD selected GA TOPO 250K data plus added map features](https://data.gov.au/data/dataset/ba5feac2-b35a-4611-82da-5b6213777069)\n\n* **Derived From** [HUN gridded daily PET from 1973-2102 v01](https://data.gov.au/data/dataset/ad969062-dd2f-436b-b4a0-de57b2c120d5)\n\n* **Derived From** [Bioregional_Assessment_Programme_Catchment Scale Land Use of Australia - 2014](https://data.gov.au/data/dataset/6f72f73c-8a61-4ae9-b8b5-3f67ec918826)\n\n* **Derived From** [Bioregional Assessment areas v03](https://data.gov.au/data/dataset/96dbf469-5463-4f4d-8fad-4214c97e5aac)\n\n* **Derived From** [IQQM Model Simulation Regulated Rivers NSW DPI HUN 20150615](https://data.gov.au/data/dataset/d6e8c6f0-08bf-4ca6-bbef-6ae0d79c34ce)\n\n* **Derived From** [HUN AWRA-R calibration catchments v01](https://data.gov.au/data/dataset/d419aae0-1cb3-48a8-82de-941398a80e3a)\n\n* **Derived From** [Bioregional Assessment areas v05](https://data.gov.au/data/dataset/25f89049-839d-4736-bd81-97d8e8a40f8e)\n\n* **Derived From** [BILO Gridded Climate Data: Daily Climate Data for each year from 1900 to 2012](https://data.gov.au/data/dataset/7aaf0621-a0e5-4b01-9333-53ebcb1f1c14)\n\n* **Derived From** [National Surface Water sites Hydstra](https://data.gov.au/data/dataset/f7edc5e5-93ee-4527-bed5-a118b4017623)\n\n* **Derived From** [Selected streamflow gauges within and near the Hunter subregion](https://data.gov.au/data/dataset/e83b0500-6254-47e1-b103-5e6b5961fe6f)\n\n* **Derived From** [ASRIS Continental-scale soil property predictions 2001](https://data.gov.au/data/dataset/632c7249-ec00-4ccb-8758-f9026aeec53e)\n\n* **Derived From** [Hunter Surface Water data extracted 20140718](https://data.gov.au/data/dataset/8c2e867b-ee7d-44f5-90b0-dd46677fedac)\n\n* **Derived From** [Mean Annual Climate Data of Australia 1981 to 2012](https://data.gov.au/data/dataset/02418c67-f8bb-48a8-88a3-2a5c6b485f78)\n\n* **Derived From** [HUN AWRA-R calibration nodes v01](https://data.gov.au/data/dataset/f2da394a-3d08-4cf4-8c24-bf7751ea06a1)\n\n* **Derived From** [HUN future climate rainfall v01](https://data.gov.au/data/dataset/4e4420e8-7d42-43bc-a63d-6ca3f07d8036)\n\n* **Derived From** [HUN AWRA-LR Model v01](https://data.gov.au/data/dataset/670de516-30c5-4724-bd76-8ff4a42ca7a5)\n\n* **Derived From** [HUN AWRA-L ASRIS soil properties v01](https://data.gov.au/data/dataset/d8091c0a-5fdc-4f6a-8b61-b1e6cc7c3ace)\n\n* **Derived From** [HUN AWRAR restricted input 01](https://data.gov.au/data/dataset/89bb128a-3485-4347-a6f5-b8c8587de23b)\n\n* **Derived From** [Bioregional Assessment areas v01](https://data.gov.au/data/dataset/0fd0d820-30b3-451f-a126-a50040426999)\n\n* **Derived From** [Bioregional Assessment areas v02](https://data.gov.au/data/dataset/e414b1b3-c42e-42e9-9cc4-2093054aa35f)\n\n* **Derived From** [Victoria - Seamless Geology 2014](https://data.gov.au/data/dataset/2872d02e-66cb-42b6-9e5a-63abc8ad871b)\n\n* **Derived From** [HUN AWRA-L Site Station Cross Sections v01](https://data.gov.au/data/dataset/fe84ef18-9ce0-4570-892b-f97f681ce4b8)\n\n* **Derived From** [HUN AWRA-R simulation catchments v01](https://data.gov.au/data/dataset/845f31df-5027-4ad7-9b2f-1fb03a874ad8)\n\n* **Derived From** [HUN AWRA-R Simulation Node Cross Sections v01](https://data.gov.au/data/dataset/1fd9e5fe-eec1-4a34-8b4c-6d95a54998df)\n\n* **Derived From** [Climate model 0.05x0.05 cells and cell centroids](https://data.gov.au/data/dataset/3df5188b-f027-4d51-99a8-45e2800f29c8)\n\n&rft.creator=Bioregional Assessment Program&rft.date=2023&rft.coverage=POLYGON ((0 0, 0 0, 0 0, 0 0))&rft_rights=Restricted access. This dataset is not available for public distribution.&rft_subject=Hunter subregion&rft_subject=inlandWaters&rft.type=dataset&rft.language=English Access the data
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Brief description

## **Abstract**

The dataset was derived by the Bioregional Assessment Programme from multiple source datasets. The source datasets are identified in the Lineage field in this metadata statement. The processes undertaken to produce this derived dataset are described in the History field in this metadata statement.



These are the data summarising the modelled Hydrological Response Variable (HRV) variability versus climate interannual variability which has been used as an indicator of risk. For example, to understand the significance of the modelled increases in low-flow days, it is useful to look at them in the context of the interannual variability in low-flow days due to climate. In other words, are the modelled increases due to additional coal resource development within the natural range of variability of the longer-term flow regime, or are they potentially moving the system outside the range of hydrological variability it experiences under the current climate? The maximum increase in the number of low-flow days due to additional coal resource development relative to the interannual variability in low-flow days under the baseline has been adopted to put some context around the modelled changes. If the maximum change is small relative to the interannual variability due to climate (e.g. an increase of 3 days relative to a baseline range of 20 to 50 days), then the risk of impacts from the changes in low-flow days is likely to be low. If the maximum change is comparable to or greater than the interannual variability due to climate (e.g. an increase of 200 days relative to a baseline range of 20 to 50 days), then there is a greater risk of impact on the landscape classes and assets that rely on this water source. Here changes comparable to or greater than interannual variability are interpreted as presenting a risk. However, the change due to the additional coal resource development is additive, so even a 'less than interannual variability' change is not free from risk. Results of the interannual variability comparison should be viewed as indicators of risk.

## **Dataset History**

This dataset is generated using 1000 HRV simulations together with climate inputs. Ratios between the variability in HRVs, and the variability attributable interannual variability due to climate, were calculated for the HRVs. Results of the interannual variability comparison should be viewed as indicators of risk.

## **Dataset Citation**

Bioregional Assessment Programme (2017) HUN Comparison of model variability and interannual variability. Bioregional Assessment Derived Dataset. Viewed 13 March 2019, http://data.bioregionalassessments.gov.au/dataset/1c0a19f9-98c2-4d92-956d-dd764aaa10f9.

## **Dataset Ancestors**

* **Derived From** [River Styles Spatial Layer for New South Wales](https://data.gov.au/data/dataset/06fb694b-d2f1-4338-ab65-a707c02f11d7)

* **Derived From** [SYD ALL climate data statistics summary](https://data.gov.au/data/dataset/b0a6ccf1-395d-430e-adf1-5068f8371dea)

* **Derived From** [HUN AWRA-R Observed storage volumes Glenbawn Dam and Glennies Creek Dam](https://data.gov.au/data/dataset/9c2dccdb-ef46-48c7-bfe1-946ab57645e5)

* **Derived From** [Hunter River Salinity Scheme Discharge NSW EPA 2006-2012](https://data.gov.au/data/dataset/1647c153-5120-4c64-a5e8-6a1b4b0b4e4b)

* **Derived From** [HUN AWRA-R simulation nodes v01](https://data.gov.au/data/dataset/fda20928-d486-49d2-b362-e860c1918b06)

* **Derived From** [Bioregional Assessment areas v06](https://data.gov.au/data/dataset/54d7cc96-5129-450a-aef4-73197f9bc09d)

* **Derived From** [Hunter AWRA Hydrological Response Variables (HRV)](https://data.gov.au/data/dataset/a84b2431-24e3-4537-ae50-84f4e955ebdc)

* **Derived From** [GEODATA 9 second DEM and D8: Digital Elevation Model Version 3 and Flow Direction Grid 2008](https://data.gov.au/data/dataset/ebcf6ca2-513a-4ec7-9323-73508c5d7b93)

* **Derived From** [HUN AWRA-L simulation nodes_v01](https://data.gov.au/data/dataset/ae5129b2-bc29-4317-b72c-fe554fe7d315)

* **Derived From** [Bioregional Assessment areas v04](https://data.gov.au/data/dataset/e8a2d577-c5c5-4e2c-b0fa-53e4b2d4a034)

* **Derived From** [HUN AWRA-R Gauge Station Cross Sections v01](https://data.gov.au/data/dataset/93fbc2b9-463c-42f6-8817-cb45a54ee28e)

* **Derived From** [Gippsland Project boundary](https://data.gov.au/data/dataset/27413de5-d13a-4231-ac79-fc77f4cbb5f7)

* **Derived From** [Natural Resource Management (NRM) Regions 2010](https://data.gov.au/data/dataset/1d54e38f-4051-4f0c-a350-c7dbd8eba65b)

* **Derived From** [BA All Regions BILO cells in subregions shapefile](https://data.gov.au/data/dataset/08933408-de61-4eb0-ab41-a6ff59f92a96)

* **Derived From** [Hunter Surface Water data v2 20140724](https://data.gov.au/data/dataset/1934f57d-c6d6-43d1-abcd-1cf957f3e7e2)

* **Derived From** [HUN AWRA-R River Reaches Simulation v01](https://data.gov.au/data/dataset/43f10e76-4541-433a-8b3c-deed9655ce05)

* **Derived From** [HUN AWRA-L simulation nodes v02](https://data.gov.au/data/dataset/9e947329-d7ca-4e83-a5a9-5581a8731dd5)

* **Derived From** [GEODATA TOPO 250K Series 3, File Geodatabase format (.gdb)](https://data.gov.au/data/dataset/96ebf889-f726-4967-9964-714fb57d679b)

* **Derived From** [HUN AWRA-R Irrigation Area Extents and Crop Types v01](https://data.gov.au/data/dataset/90013748-6247-47ad-bddb-07a9c2d857cd)

* **Derived From** [GEODATA TOPO 250K Series 3](https://data.gov.au/data/dataset/a0650f18-518a-4b99-a553-44f82f28bb5f)

* **Derived From** [NSW Catchment Management Authority Boundaries 20130917](https://data.gov.au/data/dataset/0dc4272e-c081-4ed4-9645-aa336ffacd85)

* **Derived From** [Geological Provinces - Full Extent](https://data.gov.au/data/dataset/0a064b3b-2a1e-4672-80d9-03333be67aad)

* **Derived From** [BA SYD selected GA TOPO 250K data plus added map features](https://data.gov.au/data/dataset/ba5feac2-b35a-4611-82da-5b6213777069)

* **Derived From** [HUN gridded daily PET from 1973-2102 v01](https://data.gov.au/data/dataset/ad969062-dd2f-436b-b4a0-de57b2c120d5)

* **Derived From** [Bioregional_Assessment_Programme_Catchment Scale Land Use of Australia - 2014](https://data.gov.au/data/dataset/6f72f73c-8a61-4ae9-b8b5-3f67ec918826)

* **Derived From** [Bioregional Assessment areas v03](https://data.gov.au/data/dataset/96dbf469-5463-4f4d-8fad-4214c97e5aac)

* **Derived From** [IQQM Model Simulation Regulated Rivers NSW DPI HUN 20150615](https://data.gov.au/data/dataset/d6e8c6f0-08bf-4ca6-bbef-6ae0d79c34ce)

* **Derived From** [HUN AWRA-R calibration catchments v01](https://data.gov.au/data/dataset/d419aae0-1cb3-48a8-82de-941398a80e3a)

* **Derived From** [Bioregional Assessment areas v05](https://data.gov.au/data/dataset/25f89049-839d-4736-bd81-97d8e8a40f8e)

* **Derived From** [BILO Gridded Climate Data: Daily Climate Data for each year from 1900 to 2012](https://data.gov.au/data/dataset/7aaf0621-a0e5-4b01-9333-53ebcb1f1c14)

* **Derived From** [National Surface Water sites Hydstra](https://data.gov.au/data/dataset/f7edc5e5-93ee-4527-bed5-a118b4017623)

* **Derived From** [Selected streamflow gauges within and near the Hunter subregion](https://data.gov.au/data/dataset/e83b0500-6254-47e1-b103-5e6b5961fe6f)

* **Derived From** [ASRIS Continental-scale soil property predictions 2001](https://data.gov.au/data/dataset/632c7249-ec00-4ccb-8758-f9026aeec53e)

* **Derived From** [Hunter Surface Water data extracted 20140718](https://data.gov.au/data/dataset/8c2e867b-ee7d-44f5-90b0-dd46677fedac)

* **Derived From** [Mean Annual Climate Data of Australia 1981 to 2012](https://data.gov.au/data/dataset/02418c67-f8bb-48a8-88a3-2a5c6b485f78)

* **Derived From** [HUN AWRA-R calibration nodes v01](https://data.gov.au/data/dataset/f2da394a-3d08-4cf4-8c24-bf7751ea06a1)

* **Derived From** [HUN future climate rainfall v01](https://data.gov.au/data/dataset/4e4420e8-7d42-43bc-a63d-6ca3f07d8036)

* **Derived From** [HUN AWRA-LR Model v01](https://data.gov.au/data/dataset/670de516-30c5-4724-bd76-8ff4a42ca7a5)

* **Derived From** [HUN AWRA-L ASRIS soil properties v01](https://data.gov.au/data/dataset/d8091c0a-5fdc-4f6a-8b61-b1e6cc7c3ace)

* **Derived From** [HUN AWRAR restricted input 01](https://data.gov.au/data/dataset/89bb128a-3485-4347-a6f5-b8c8587de23b)

* **Derived From** [Bioregional Assessment areas v01](https://data.gov.au/data/dataset/0fd0d820-30b3-451f-a126-a50040426999)

* **Derived From** [Bioregional Assessment areas v02](https://data.gov.au/data/dataset/e414b1b3-c42e-42e9-9cc4-2093054aa35f)

* **Derived From** [Victoria - Seamless Geology 2014](https://data.gov.au/data/dataset/2872d02e-66cb-42b6-9e5a-63abc8ad871b)

* **Derived From** [HUN AWRA-L Site Station Cross Sections v01](https://data.gov.au/data/dataset/fe84ef18-9ce0-4570-892b-f97f681ce4b8)

* **Derived From** [HUN AWRA-R simulation catchments v01](https://data.gov.au/data/dataset/845f31df-5027-4ad7-9b2f-1fb03a874ad8)

* **Derived From** [HUN AWRA-R Simulation Node Cross Sections v01](https://data.gov.au/data/dataset/1fd9e5fe-eec1-4a34-8b4c-6d95a54998df)

* **Derived From** [Climate model 0.05x0.05 cells and cell centroids](https://data.gov.au/data/dataset/3df5188b-f027-4d51-99a8-45e2800f29c8)

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Subjects
Hunter subregion | inlandWaters |

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