ISO-19139 Metadata
Resource Identification Information:
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Citation:
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Title:
AHGF Mapped Stream - V3.3
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Presentation format:
mapDigital
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Party responsible for the resource - originator:
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Organization's name: Bureau of Meteorology, Community Services Group
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Themes or categories of the resource:
elevation
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Theme keywords:
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Keywords:
Catchments, Hydrography, Cartography, Topography, Australian Water Resources Information System (AWRIS), Surface Hydrology, Hydrology, Irrigation, Water Accounting, Digital Elevation Model
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Theme keywords:
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Keywords:
Catchments, Hydrography, Cartography, Topography, Australian Water Resources Information System (AWRIS), Surface Hydrology, Hydrology, Irrigation, Water Accounting, Digital Elevation Model
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Theme keywords:
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Keywords:
Catchments, Hydrography, Cartography, Topography, Australian Water Resources Information System (AWRIS), Surface Hydrology, Hydrology, Irrigation, Water Accounting, Digital Elevation Model
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Theme keywords:
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Keywords:
Catchments, Hydrography, Cartography, Topography, Australian Water Resources Information System (AWRIS), Surface Hydrology, Hydrology, Irrigation, Water Accounting, Digital Elevation Model
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Theme keywords:
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Keywords:
Catchments, Hydrography, Cartography, Topography, Australian Water Resources Information System (AWRIS), Surface Hydrology, Hydrology, Irrigation, Water Accounting, Digital Elevation Model
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Theme keywords:
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Keywords:
Catchments, Hydrography, Cartography, Topography, Australian Water Resources Information System (AWRIS), Surface Hydrology, Hydrology, Irrigation, Water Accounting, Digital Elevation Model
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Theme keywords:
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Keywords:
Catchments, Hydrography, Cartography, Topography, Australian Water Resources Information System (AWRIS), Surface Hydrology, Hydrology, Irrigation, Water Accounting, Digital Elevation Model
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Theme keywords:
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Keywords:
Catchments, Hydrography, Cartography, Topography, Australian Water Resources Information System (AWRIS), Surface Hydrology, Hydrology, Irrigation, Water Accounting, Digital Elevation Model
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Theme keywords:
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Keywords:
Catchments, Hydrography, Cartography, Topography, Australian Water Resources Information System (AWRIS), Surface Hydrology, Hydrology, Irrigation, Water Accounting, Digital Elevation Model
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Theme keywords:
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Keywords:
Catchments, Hydrography, Cartography, Topography, Australian Water Resources Information System (AWRIS), Surface Hydrology, Hydrology, Irrigation, Water Accounting, Digital Elevation Model
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Descriptive keywords:
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Keywords:
Downloadable Data
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Thesaurus name: ArcGIS Content Type
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Abstract:
The AHGFMappedStreams are derived from the AusHydro V2 Watercourse feature class. The features have been organised into specific Feature Class subtypes based upon both the inputs from the AusHydro V2 Watercourse feature class and their behaviour within the AHGF stream network relationships. MappedFlowSegment:corresponds to an existing blueline stream from AusHydro V2 Watercourses MappedArtificialFlowSegment: corresponds to a stream flow "connector" from AusHydro V2 Watercourses. These are additional stream segments that represent logical stream flow direction when compared to the AHGFNetworkStreams. MappedWaterAreaSegment: these are logical stream flow connectors through AHGFWaterbodies. All of these features participate in the connected stream flow topology.
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Purpose: Mapped streams
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Dataset language:
eng
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Dataset character set:
utf8
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Status:
underDevelopment
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Resource constraints:
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Constraints:
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Limitations of use: Creative Commons Attribution V4.0 (CC BY 4.0)
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Resource constraints:
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Legal constraints:
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Other constraints: Licenced for use under Creative Commons Australia Attribution
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Spatial representation type:
vector
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Processing environment: ESRI ArcCatalog 10.3.1.4959
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Extent:
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Extent description: publication date
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Extent:
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Geographic element - Bounding rectangle:
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West longitude: 113.375345
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East longitude: 153.632074
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North latitude: -9.242297
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South latitude: -43.629382
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Extent:
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Geographic element - Bounding rectangle:
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Extent contains the resource: true
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West longitude: 113.375345
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East longitude: 153.63164
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North latitude: -10.060211
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South latitude: -43.628964
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Supplemental information: The AHGFMappedStreams are derived from AusHydro V2 Watercourses feature class. As such, the natural water course layer consists of a linear network with a consistent topology that provide directional flow paths through the network for hydrological analysis. Aushydro V2 includes Geoscience Australia's national surface hydrology database which is a selection of features from the regional surface hydrology database, at a comparable 1:250,000 mapping density. Additional Regional features have been added where necessary to ensure important features such as flow paths are included in the Geofabric. This natural watercourse dataset consists of directional flow paths and provides a direct link to the flow paths derived from the DEM.
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Credits: We request attribution as © Commonwealth of Australia (Bureau of Meteorology) 2022
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Point of contact - pointOfContact:
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Individual's name: Environmental Prediction Services, Water Analysis
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Organization's name: Bureau of Meteorology, Community Services Group
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Contact information:
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Address:
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e-mail address:
ahgf@bom.gov.au
Spatial Representation - Vector:
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Level of topology for this dataset:
geometryOnly
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Geometric objects:
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Object type:
composite
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Object count: 6559330
Reference System Information:
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Reference system identifier:
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Value: 4283
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Code space: EPSG
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Version: 8.6.2
Data Quality Information:
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Scope of quality information:
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Level of the data:dataset
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Lineage:
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Process step:
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Description: 1) AusHydro V2 Surface Hydrology dataset is loaded into the Geofabric development GIS environment. 2) Feature classes from AusHydro V2 are recomposed into composited Geofabric hydrography dataset feature classes in the Geofabric Maintenance Geodatabase. 3)These are assigned unique Hydro-IDs using ESRI ArcHydro for Surface Water. 4) Feature classes from the Geofabric Maintenance Geodatabase hydrography dataset are extracted and reassigned to the Geofabric Surface Cartography Feature Dataset within the Geofabric Surface Cartography Geodatabase.
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Process step:
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Description: Aushydro V2 includes Geoscience Australia's national surface hydrology database which is a selection of features from the regional surface hydrology database, at a comparable 1:250,000 mapping density. The regional surface hydrology database is aggregated from multiple jurisdictional sources. The scale of the data ranges from 1:25,000 to 1: 250,000 across the continent (http://www.ga.gov.au/scientific-topics/water/national-surface-water-information). Additional regional features have been added where necessary to ensure important features such as flow paths are included in the Geofabric. As input data is multiscale, and the 1 second DEM approximates a 30m grid cell size, the Geofabric attributes a nominal scale of 1:100,000 across V3 products.
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Source data:
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Data quality report - Absolute external positional accuracy:
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Measure description: Geoscience Australia has aggregated best available multiscale (1:25,000-1:250,000) jurisdictioanl datsets. As such where known each individual feature has been attributed with a relevant planimetric accuracy.
Distribution Information:
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Distributor:
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Transfer options:
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Format:
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Format name: File Geodatabase Feature Class
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Transfer options:
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Online resource:
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Online location:http://www.bom.gov.au/water/geofabric/download.shtml
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Metadata Information:
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Metadata language:
eng
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Metadata character set:
utf8
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Last update:
2023-04-27
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Metadata contact - pointOfContact:
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Individual's name: Environmental Prediction Services, Water Analysis
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Organization's name: Bureau of Meteorology, Community Services Group
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Contact information:
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Address:
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e-mail address:
ahgf@bom.gov.au
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Scope of the data described by the metadata:
dataset
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Scope name: dataset
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Name of the metadata standard used: ISO 19139 Geographic Information - Metadata - Implementation Specification
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Version of the metadata standard: 2007