elevation
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Metadata acquired by GA for the purposes of the National DEM Project from WA Landgate. DEMs are a mass of ground heights representing a terrain surface. In this instance they are spaced at a regular grid interval. This dataset has been developed from aerial photography to assist in the digital imagery Orthorectification program. The status of coverage or other information relative to specific DEM data may be obtained directly through the DOLA contact.
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Metadata acquired by GA for the purposes of the National DEM Project from WA Landgate. DEMs are a mass of ground heights representing a terrain surface. In this instance they are spaced at a regular grid interval. This dataset has been developed from aerial photography to assist in the digital imagery Orthorectification program. The status of coverage or other information relative to specific DEM data may be obtained directly through the DOLA contact.
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Metadata acquired by GA for the purposes of the National DEM Project from WA Landgate. DEMs are a mass of ground heights representing a terrain surface. In this instance they are spaced at a regular grid interval. This dataset has been developed from aerial photography to assist in the digital imagery Orthorectification program. The status of coverage or other information relative to specific DEM data may be obtained directly through the DOLA contact.
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Metadata acquired by GA for the purposes of the National DEM Project from WA Landgate. DEMs are a mass of ground heights representing a terrain surface. In this instance they are spaced at a regular grid interval. This dataset has been developed from aerial photography to assist in the digital imagery Orthorectification program. The status of coverage or other information relative to specific DEM data may be obtained directly through the DOLA contact.
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Abstract This suite of products contains topographical relief generated from raw LiDAR data, covers the Southern extent of the Murray Darling Basin within the proximity of the Murray River. LiDAR (Light Detection and Ranging) is an airborne remote sensing technique for rapid collection of terrain data. The sensor used for this LiDAR project collected XYZ and Intensity data for 2 returns, first and last (ground) return by bouncing a pulse from the aircraft to the surface that enables the height and intensity values to be calculated. For more information on the raw LiDAR Data collected for the SMDB LiDAR Project see the associated metadata (SMDB LiDAR Raw Data). Height data within the first and last return raw LiDAR data was processed into 1m pixel DEMs. The intensity data with the first return raw LiDAR data was processed into a 1m pixel intensity image. The 1m cell size products, due to their large file sizes, are stored as 2km by 2km tiles to help facilitate data management and processing. The complete study area, covering 1.7million Hectares, contains 5,288 of these tiles. A generalised version of the above raw data was also produced resulting in 10m pixel DEMs for first and last return. This is stored as mosaiced 1:100,000 map sheet tiles. All the above derived products were created as value added products by the Land Information Group (LIG), of the Department of Sustainability and Environment (DSE), Victoria.
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The high resolution Wallpolla LiDAR DEM was supplied from SunRISE 21 to CRC LEME for the purpose of the "River Murray Corridor Project" . The data has been classified as Confidential to CRC LEME staff only. The data has been stitched together in Intrepid from 72 xyz text files (81 Mb) and resampled to 5m resolution. Original data at 1m resolution is also available.
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Supplied to CRCLEME from NSW Land and Property Information. The DEM cell resolution is 25m and is derived from interpolation of aerial photos using photogrammetry software. CRC LEME processing included projected to GDA 94 and three grids of zone 54, 55 and 56 have been mosaiced.
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The Angus - Bremer Hills are located east of Adelaide in the Mt Lofty Ranges. The 20m DEM was supplied to CRC LEME from BRS as part of the South Australia Salinity Mapping and Management Support Project (SA-SMMSP). The Jamestown and Angas-Bremer airborne magnetic, gamma-ray and elevation survey consists of three areas, named Jamestown, Angas-Bremer Plains and Angas- Bremer Hills. The survey was flown for the Commonwealth of Australia, represented by the Bureau of Rural Sciences (BRS), an agency within Agriculture, Fisheries and Forestry, Australia, and was undertaken by Fugro Airborne Surveys Pty Ltd. Licence conditions and metadata supplied.
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The Jamestown DEM is located around Jamestown, east of the Mt Lofty Ranges in South Australia. The 20m DEM was supplied to CRC LEME from BRS as part of the South Australia Salinity Mapping and Management Support Project (SA-SMMSP). The Jamestown and Angas-Bremer airborne magnetic, gamma-ray and elevation survey consists of three areas, named Jamestown, Angas-Bremer Plains and Angas- Bremer Hills. The survey was flown for the Commonwealth of Australia, represented by the Bureau of Rural Sciences (BRS), an agency within Agriculture, Fisheries and Forestry, Australia, and was undertaken by Fugro Airborne Surveys Pty Ltd. Licence conditions and metadata supplied.
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The Riverland 30m DEM was acquired by Fugro Airborne Surveys (FAS) for the Bureau of Rural Sciences during June - October of 2002. Frequency domain electromagnetic data and elevation data were simultaneously acquired. Data was collected as part of the South Australia Salinity Mapping and Management Support Project (SA-SMMSP), the Riverland project was set up to use airborne electromagnetic (AEM) data to map the near surface distribution of fine textured materials at an appropriate resolution to provide information for determining recharge rates to the saline groundwater which forms the basis for managing salt being discharged into the River Murray. The South Australian Riverland region is located between the border and Morgan. The data was obtained by CRC LEME and licence conditions and metadata were supplied.