HUN ZoPHC and component layers 20170220

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.



Hunter Zone of Potential Hydrological change including input and derived layers.



The final Zone of Potential Hydrological Change (ZPHC) is a union of the groundwater ZPHC and suface water ZPHC, which in turn were derived from groundwater and surface water impact modelling. The groundwater component of the ZPHC is where the the probability 5% or greater of equalling or exceeding 0.2m drawdown and is derived from the 95th Quantile layer.



The surface water component of the ZoPHC is derived from the reaches that are deemed impacted from the surface water modelled (sometimes referred to as Step 1 reaches) as well as additional non modelled reaches that are deemed to be potentially impacted due to interactions with the GW drawdown layer (aka Step 2) or proposed mine operations at the surface (aka Step 3). How these are derived are expanded on in the History section of the metadata.



The SW ZoPHC is created from AU cells that intersect any of the impacted stream lines (from steps 1-3 above) as well as those which intersect GDE landscapeclass singlepart polygons withing 150m of the impacted stream lines.



Some manual post processing edits were undertaken to remove anomalous AU cells. Mostly these occurred in the Macquarie-Tuggerah region of the ZoPHC to exclude AU cells selected due to intersecting upslope rainforest and wet schlerophyll forest GDE polygons in narrow valley areas.

## **Dataset History**

GW ZoPHC



A CON statement in ArcGIS Spatial Analyst was used to extract the area of the 95th quantile (HUN_dmax_acrd_quantile_95.asc from the input dataset) raster layer where drawdown was >= 0.2m. The resulting integer zone grid was vectorised into a shapefile. An anomalous zone on the SW boundary of the subregion that was an artefact of the modelling was deleted. The result is the GW ZoPHC



SW ZoPHC



the outputs of the processes below can be found in the "Input_Component_Layers" folder of this dataset.



Step 1

Potentially impacted reaches were extracted from HUN_SW_Modelling_InterpolatedReaches_Network_20170220_v02.shp (source dataset: HUN_SW_Modelling_Reaches_and_HRV_lookup_20170221_v02). These are line features where "SW_ZoPHC" = 'yes' or 'part'. From these extracted "impacted" reaches, the line features classified as "part" were manually edited (cut) according to the description in the HRV (Hydrological Response Variables) LUT spreadsheet (HUN_SW_Modelling_Reaches_HRV_lookup_20170221_v02.xlsx in source dataset: HUN_SW_Modelling_Reaches_and_HRV_lookup_20170221_v02). This typically involved trimming the line back only to that in or downstream of the GW ZoPHC extent. Also some "part" impacted line features were cut where they intersected existing (i.e. baseline) open cut pits (OC). These excisions were done onscreen by eye, with reference to OC pit polygons used for modelling and existing mine workings shown in Google Earth imagery. The result after this trimming of selected features is the shapefile Step_1_SW_Model_ImpactedReaches_modified_for_SWZoPHC_defiition.shp



Step 2

Streams other than "highly intermittent ephemeral" in the Hunter Perenniality layer, that where inside or downstream of the GW ZoPHC were selected and underwent the same Baseline open pit excision process as above. This became the Step_2_NonEphemeral_Streams_affected_by_GW_drawdown_modified_for_SWZoPHC_defiition.shp shapefile. Note that some streams identified by Step 2 are already described in SW model (i.e. are included in the Step 1 features)



Step 3

"highly intermittent ephemeral" streams from the Hunter Perenniality layer that were inside or downstream of ACRD open cut pits (based on the GW model ACRD OC footprint polygons) were selected. This became the Step_3_Ephemeral_Streams_crossing_ACRD_pits_modified_for_SWZoPHC_defiition.shp shapefile.



Using the three "impacted" stream layers derived above in conjunction with a singlepart shapefile The final Zone of Potential Hydrological Change (ZPHC) is a union of the groundwater ZPHC and surface water ZPHC, which in turn were derived from groundwater and surface water impact modelling.

## **Dataset Citation**

Bioregional Assessment Programme (2017) HUN ZoPHC and component layers 20170220. Bioregional Assessment Derived Dataset. Viewed 13 March 2019, http://data.bioregionalassessments.gov.au/dataset/eb09503b-26ad-4ef5-9056-5672412aac67.

## **Dataset Ancestors**

* **Derived From** [HUN SW Modelling Reaches and HRV lookup 20170221 v02](https://data.gov.au/data/dataset/af0272b4-3a44-44ad-adba-5345a2b15f41)

* **Derived From** [Groundwater Dependent Ecosystems supplied by the NSW Office of Water on 13/05/2014](https://data.gov.au/data/dataset/1bdc6089-c114-4485-b962-35a8b3d2357f)

* **Derived From** [NSW Office of Water - National Groundwater Information System 20140701](https://data.gov.au/data/dataset/7ab9820e-1e43-4600-8875-a0834345fb6d)

* **Derived From** [HUN Alluvium (1:1m Geology)](https://data.gov.au/data/dataset/c2706e2f-8800-440d-ad60-d0f2790b32e3)

* **Derived From** [NSW Wetlands](https://data.gov.au/data/dataset/90476e12-77a2-4970-a0be-942eeb84e95e)

* **Derived From** [Geofabric Surface Network - V2.1](https://data.gov.au/data/dataset/ed3acf9b-888c-4d53-b376-ecab89781651)

* **Derived From** [Surface Geology of Australia, 1:1 000 000 scale, 2012 edition](https://data.gov.au/data/dataset/8284767e-b5b1-4d8b-b8e6-b334fa972611)

* **Derived From** [HUN SW footprint shapefiles v01](https://data.gov.au/data/dataset/2a9520c8-1569-4e0e-8bd8-26e2c7b9e9e0)

* **Derived From** [HUN Groundwater footprint polygons v01](https://data.gov.au/data/dataset/c7672a9d-422e-425e-82ef-11afc5fb7ba6)

* **Derived From** [Asset database for the Hunter subregion on 24 February 2016](https://data.gov.au/data/dataset/a39290ac-3925-4abc-9ecb-b91e911f008f)

* **Derived From** [NSW Office of Water Surface Water Entitlements Locations v1_Oct2013](https://data.gov.au/data/dataset/fc872710-998e-4c76-8b98-1df383c53de6)

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

* **Derived From** [Hunter subregion boundary](https://data.gov.au/data/dataset/2b704127-f134-45ca-afc7-2ce19c892c87)

* **Derived From** [Greater Hunter Native Vegetation Mapping with Classification for Mapping](https://data.gov.au/data/dataset/73abc2f6-1b8a-43a0-b458-c67ee4275edc)

* **Derived From** [Atlas of Living Australia NSW ALA Portal 20140613](https://data.gov.au/data/dataset/cb420b33-b828-40fe-a844-7fdbe828d4d6)

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

* **Derived From** [Groundwater Entitlement Hunter NSW Office of Water 20150324](https://data.gov.au/data/dataset/19697f0a-4513-42a4-a7ce-4e00f48a715a)

* **Derived From** [Asset database for the Hunter subregion on 20 July 2015](https://data.gov.au/data/dataset/35bc515e-581a-4a7f-ae2a-c0b62b2c9169)

* **Derived From** [BA ALL Assessment Units 1000m 'super set' 20160516_v01](https://data.gov.au/data/dataset/6c1aa99e-c973-4472-b434-756e60667bfa)

* **Derived From** [NSW Office of Water Groundwater Licence Extract, North and South Sydney - Oct 2013](https://data.gov.au/data/dataset/b48f941e-b557-411f-aebd-e3c463b60614)

* **Derived From** [HUN River Perenniality v01](https://data.gov.au/data/dataset/3200fb73-72f3-4770-b012-3f49af454493)

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

* **Derived From** [Climate Change Corridors (Moist Habitat) for North East NSW](https://data.gov.au/data/dataset/f8445d2e-ec1f-4f5a-99cc-7f90d1f96103)

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

* **Derived From** [HUN Landscape Classification v02](https://data.gov.au/data/dataset/e9250918-ec30-4a24-b2fc-049f71551d84)

* **Derived From** [Historical Mining footprints DTIRIS HUN 20150707](https://data.gov.au/data/dataset/7b91b53c-2f09-4cd7-a38b-746446c06a72)

* **Derived From** [Darling River Hardyhead Predicted Distribution in Hunter River Catchment NSW 2015](https://data.gov.au/data/dataset/643c6228-6435-4f5a-9f09-5f53efe234d2)

* **Derived From** [Communities of National Environmental Significance Database - RESTRICTED - Metadata only](https://data.gov.au/data/dataset/c01c4693-0a51-4dbc-bbbd-7a07952aa5f6)

* **Derived From** [National Groundwater Dependent Ecosystems (GDE) Atlas](https://data.gov.au/data/dataset/e358e0c8-7b83-4179-b321-3b4b70df857d)

* **Derived From** [Geofabric Surface Network - V2.1.1](https://data.gov.au/data/dataset/d84e51f0-c1c1-4cf9-a23c-591f66be0d40)

* **Derived From** [R-scripts for uncertainty analysis v01](https://data.gov.au/data/dataset/322c38ef-272f-4e77-964c-a14259abe9cf)

* **Derived From** [NSW Office of Water Surface Water Offtakes - Hunter v1 24102013](https://data.gov.au/data/dataset/d94064ab-6d03-4a40-9484-1579afa9269b)

* **Derived From** [National Groundwater Dependent Ecosystems (GDE) Atlas (including WA)](https://data.gov.au/data/dataset/6dbaee0d-8813-46b1-9c13-1b796e7ed3bf)

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

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

* **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** [HUN Landscape Classification v03](https://data.gov.au/data/dataset/79a84caf-2782-4088-b147-ac47f50b52ac)

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

* **Derived From** [HUN Mine footprints for timeseries](https://data.gov.au/data/dataset/1e18f597-c8dd-4dae-b460-de9f5ebb1c6a)

* **Derived From** [Asset database for the Hunter subregion on 22 September 2015](https://data.gov.au/data/dataset/59d91125-2b58-4680-9ef0-645d77a9f76d)

* **Derived From** [BA ALL Assessment Units 1000m Reference 20160516_v01](https://data.gov.au/data/dataset/d044b1d9-40b0-4fc3-ae43-099cc7b96497)

* **Derived From** [NSW Office of Water GW licence extract linked to spatial locations for NorthandSouthSydney v3 13032014](https://data.gov.au/data/dataset/6860cabb-372d-40c8-9ae8-f097021d35ef)

* **Derived From** [HUN Groundwater footprint kmz files v01](https://data.gov.au/data/dataset/a16c503d-4ec7-4319-b8e1-c8e8a629d71a)

* **Derived From** [Threatened migratory shorebird habitat mapping DECCW May 2006](https://data.gov.au/data/dataset/cc0b62a0-ded7-4c14-b954-1552337b395e)

* **Derived From** [Directory of Important Wetlands in Australia (DIWA) Spatial Database (Public)](https://data.gov.au/data/dataset/6636846e-e330-4110-afbb-7b89491fe567)

* **Derived From** [HUN AssetList Database v1p2 20150128](https://data.gov.au/data/dataset/64ecd565-bb7c-4f21-951e-f35966b91c99)

* **Derived From** [Australia - Species of National Environmental Significance Database](https://data.gov.au/data/dataset/4eff885b-0d68-45e8-b4b1-e3e5448354eb)

* **Derived From** [Australia, Register of the National Estate (RNE) - Spatial Database (RNESDB) Internal](https://data.gov.au/data/dataset/878f6780-be97-469b-8517-54bd12a407d0)

* **Derived From** [Collaborative Australian Protected Areas Database (CAPAD) 2010 (Not current release)](https://data.gov.au/data/dataset/7b649c6d-fdbf-40e3-b002-db521665af53)

* **Derived From** [HUN GW Model code v01](https://data.gov.au/data/dataset/e54a1246-0076-4799-9ecf-6d673cf5b1da)

* **Derived From** [Travelling Stock Route Conservation Values](https://data.gov.au/data/dataset/198900d5-0d06-4bd0-832b-e30a7c4e8873)

* **Derived From** [HUN GW Model v01](https://data.gov.au/data/dataset/90554dbf-4992-49ec-98b1-53c6067e97a2)

* **Derived From** [HUN SW GW Mine Footprints for IMIA 20160908](https://data.gov.au/data/dataset/b45ee133-cc63-44bc-b10f-6642b26a9e40)

* **Derived From** [Birds Australia - Important Bird Areas (IBA) 2009](https://data.gov.au/data/dataset/5d488350-83b6-4e71-8d17-687ad8ff9941)

* **Derived From** [Estuarine Macrophytes of Hunter Subregion NSW DPI Hunter 2004](https://data.gov.au/data/dataset/fb7bf5a0-f0e3-429b-9b54-0d4b58fb49c2)

* **Derived From** [Spatial Threatened Species and Communities (TESC) NSW 20131129](https://data.gov.au/data/dataset/a6664894-1489-46d1-a6ca-16f9ab519a28)

* **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** [Asset list for Hunter - CURRENT](https://data.gov.au/data/dataset/51b1e021-2958-4cd3-8daa-ba46ece09d1c)

* **Derived From** [Species Profile and Threats Database (SPRAT) - Australia - Species of National Environmental Significance Database (BA subset - RESTRICTED - Metadata only)](https://data.gov.au/data/dataset/7276dd93-cc8c-4c01-8df0-cef743c72112)

* **Derived From** [Ramsar Wetlands of Australia](https://data.gov.au/data/dataset/d65cc156-944d-4961-bfba-eacfd61db63a)

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

* **Derived From** [HUN GW Quantiles Interpolation v01](https://data.gov.au/data/dataset/a466156e-f9b1-4da9-bf69-97925f52008e)

* **Derived From** [NSW Office of Water Surface Water Licences Processed for Hunter v1 20140516](https://data.gov.au/data/dataset/25d233eb-dbc4-4ca3-b200-1d1df2b5126c)

* **Derived From** [GW Element Bores with Unknown FTYPE Hunter NSW Office of Water 20150514](https://data.gov.au/data/dataset/e8b6a2f3-2951-4cdd-9570-871441120e02)

* **Derived From** [HUN SW Model nodes 20170110](https://data.gov.au/data/dataset/a7b21661-0e01-4344-b599-bf9c6d55da7f)

* **Derived From** [National Heritage List Spatial Database (NHL) (v2.1)](https://data.gov.au/data/dataset/26daa8d7-a90e-47f3-982b-0df362414e65)

* **Derived From** [NSW Office of Water combined geodatabase of regulated rivers and water sharing plan regions](https://data.gov.au/data/dataset/24157c41-c42f-4e1f-a791-a1ad18c8215d)

* **Derived From** [Asset database for the Hunter subregion on 16 June 2015](https://data.gov.au/data/dataset/24f007de-94e1-4a50-b8e8-46d5cceb5c66)

* **Derived From** [Australia World Heritage Areas](https://data.gov.au/data/dataset/4927789b-7ba7-4a77-b6fc-be1b29b6590c)

* **Derived From** [Lower Hunter Spotted Gum Forest EEC 2010](https://data.gov.au/data/dataset/5a8f525b-d602-4120-99a3-900fc05180e7)

* **Derived From** [New South Wales NSW Regional CMA Water Asset Information WAIT tool databases, RESTRICTED Includes ALL Reports](https://data.gov.au/data/dataset/a2a929ea-2cb3-42ab-86b9-87deac68acae)

* **Derived From** [Greater Hunter Native Vegetation Mapping](https://data.gov.au/data/dataset/8f575981-3730-4989-84ce-c90204158406)

* **Derived From** [New South Wales NSW - Regional - CMA - Water Asset Information Tool - WAIT - databases](https://data.gov.au/data/dataset/330532aa-66ba-44f5-984b-8a21a99661a0)

* **Derived From** [NSW Office of Water - National Groundwater Information System 20141101v02](https://data.gov.au/data/dataset/6c364d09-fc3b-47c3-aa98-6c702d3d8137)

* **Derived From** [HUN Historical Landsat Images Mine Foot Prints v01](https://data.gov.au/data/dataset/28de7771-28f5-4d24-943f-0addea07c8c4)

* **Derived From** [HUN GW Model simulate ua999 pawsey v01](https://data.gov.au/data/dataset/7b0a70e9-4ce9-4af9-a658-03451f0f5a9e)

* **Derived From** [Northern Rivers CMA GDEs (DRAFT DPI pre-release)](https://data.gov.au/data/dataset/ac1bd285-5f50-46e2-bc04-b21e8e182a62)

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

* **Derived From** [NSW Office of Water - GW licence extract linked to spatial locations for North and South Sydney v2 20140228](https://data.gov.au/data/dataset/0e6034bc-7a91-46c9-80e0-0e3330a0b7da)

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

* **Derived From** [Climate Change Corridors Coastal North East NSW](https://data.gov.au/data/dataset/0a1b4dc6-07a4-4f2b-acc2-000eed75db22)

* **Derived From** [Climate Change Corridors for Nandewar and New England Tablelands](https://data.gov.au/data/dataset/d480bd52-c46a-41ae-bab8-0e8d7620160b)

* **Derived From** [Fauna Corridors for North East NSW](https://data.gov.au/data/dataset/c8b21575-8003-41ba-bb7e-378c2eb3486d)

* **Derived From** [Asset database for the Hunter subregion on 27 August 2015](https://data.gov.au/data/dataset/9e1c414c-1752-4bd8-83ff-c137b7d9f9ce)

* **Derived From** [Hunter CMA GDEs (DRAFT DPI pre-release)](https://data.gov.au/data/dataset/469d6d2e-900f-47a7-a137-946b89b3d188)

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

* **Derived From** [Camerons Gorge Grassy White Box Endangered Ecological Community (EEC) 2008](https://data.gov.au/data/dataset/cc77d836-86d3-429d-b0ab-1599cff00414)

* **Derived From** [Asset database for the Hunter subregion on 12 February 2015](https://data.gov.au/data/dataset/dcf8349e-aaed-4d30-80ab-1c8cbad8fe68)

* **Derived From** [HUN groundwater flow rate time series v01](https://data.gov.au/data/dataset/57b928ac-9d9d-407a-87d8-8405f4a4b11a)

* **Derived From** [HUN GW Uncertainty Analysis v01](https://data.gov.au/data/dataset/c25db039-5082-4dd6-bb9d-de7c37f6949a)

* **Derived From** [Native Vegetation Management (NVM) - Manage Benefits](https://data.gov.au/data/dataset/b299e256-1d37-4f89-8c51-93567ebf3753)

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

* **Derived From** [HUN bores v01](https://data.gov.au/data/dataset/97931fff-5ee9-4efb-b59c-ead03345abbe)

* **Derived From** [Commonwealth Heritage List Spatial Database (CHL)](https://data.gov.au/data/dataset/57720684-4948-45db-a2c8-37259d531d87)

* **Derived From** [Groundwater Economic Elements Hunter NSW 20150520 PersRem v02](https://data.gov.au/data/dataset/7174b44f-7146-4b70-a77f-b55c989a3278)

* **Derived From** [HUN Assessment Units 1000m 20160725 v02](https://data.gov.au/data/dataset/3148b177-eb60-4cf1-a0b8-0bcb136d6322)

* **Derived From** [Climate Change Corridors (Dry Habitat) for North East NSW](https://data.gov.au/data/dataset/8871574a-62ac-4b59-9cc3-bc991a6abd57)

* **Derived From** [Hydstra Groundwater Measurement Update - NSW Office of Water, Nov2013](https://data.gov.au/data/dataset/08b34518-c947-4665-82e5-c144b5b24e01)

* **Derived From** [Gosford Council Endangered Ecological Communities (Umina woodlands) EEC3906](https://data.gov.au/data/dataset/485b84ef-7f56-40b3-bf25-5ba359dd4623)

* **Derived From** [Operating Mines OZMIN Geoscience Australia 20150201](https://data.gov.au/data/dataset/65c0c042-1ba8-47a8-9793-4363672500b9)

* **Derived From** [Groundwater Economic Assets Hunter NSW 20150331 PersRem](https://data.gov.au/data/dataset/ca620380-3d67-43bb-811a-3cafdf41056a)

* **Derived From** [Monitoring Power Generation and Water Supply Bores Hunter NOW 20150514](https://data.gov.au/data/dataset/055adb26-5b43-451c-ad21-c9063f1d5aed)

* **Derived From** [HUN GW Model Mines raw data v01](https://data.gov.au/data/dataset/709cd6d1-8579-4aea-887d-b06d32a71961)

* **Derived From** [NSW Office of Water Groundwater Entitlements Spatial Locations](https://data.gov.au/data/dataset/0f4da0d0-9e82-42f3-84da-1148e0b730c1)

* **Derived From** [HUN Historical Landsat Derived Mine Foot Prints v01](https://data.gov.au/data/dataset/e852e582-d0e7-4543-ac70-feba694597c0)

* **Derived From** [HUN Mine footprints for GW modelling v01](https://data.gov.au/data/dataset/93f99710-e84a-41c0-9c4f-4da9712c3263)