Australian 5M DEM

AU/GA/AUSTRALIA_5M_DEM
Dataset Availability
2015-12-01T00:00:00 - 2015-12-01T00:00:00
Dataset Provider
Earth Engine Snippet
ee.ImageCollection("AU/GA/AUSTRALIA_5M_DEM")
Tags
elevation australia dem geophysical geoscience-australia ga lidar

Description

The Digital Elevation Model (DEM) 5 Metre Grid of Australia derived from LiDAR model represents a National 5 metre (bare earth) DEM which has been derived from some 236 individual LiDAR surveys between 2001 and 2015 covering an area in excess of 245,000 square kilometres. These surveys cover Australia's populated coastal zone; floodplain surveys within the Murray Darling Basin, and individual surveys of major and minor population centres. All available 1 metre resolution LiDAR-derived DEMs have been compiled and resampled using a neighbourhood-mean method to 5 metre resolution datasets for each survey area, and then merged into a single dataset for each State. Each state's dataset is provided as a separate image within the image collection.

The acquisition of the individual LiDAR surveys and derivation of the 5m product has been part of a long-term collaboration between Geoscience Australia, the Cooperative Research Centre for Spatial Information (CRCSI), the Departments of Climate Change and Environment, State and Territory jurisdictions, Local Government and the Murray Darling Basin Authority under the auspices of the National Elevation Data Framework and Coastal and Urban DEM Program. The source datasets have been captured to standards that are generally consistent with the Australian ICSM LiDAR Acquisition Specifications with require a fundamental vertical accuracy of at least 0.30m (95% confidence) and horizontal accuracy of at least 0.80m (95% confidence).

There are several areas close to Perth with null (NaN) values around (115.85, -31.99), (115.72, -33.75), and (115.10, -33.43).

Bands

Resolution
5 meters

Bands

Name Units Description
elevation Meters

Elevation

Terms of Use

Terms of Use

This dataset is made available by Geoscience Australia under the Creative Commons Attribution 4.0 International Licence. The data must be referenced with the provided citation and DOI.

Citations

Citations:
  • Geoscience Australia, 2015. Digital Elevation Model (DEM) of Australia derived from LiDAR 5 Metre Grid. Geoscience Australia, Canberra.

DOI(s)

Explore in Earth Engine

var dataset = ee.ImageCollection('AU/GA/AUSTRALIA_5M_DEM');
var elevation = dataset.select('elevation');
var elevationVis = {
  min: 0.0,
  max: 150.0,
  palette: ['0000ff', '00ffff', 'ffff00', 'ff0000', 'ffffff'],
};
Map.setCenter(140.1883, -35.9113, 8);
Map.addLayer(elevation, elevationVis, 'Elevation');

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