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Preview National Intertidal Digital Elevation Model 25m 1.0.0

The National Intertidal Digital Elevation Model (NIDEM; Bishop-Taylor et al. 2018, 2019) is a continental-scale elevation dataset for Australia's exposed intertidal zone. NIDEM provides the first three-dimensional representation of Australia's intertidal sandy beaches and shores, tidal flats and rocky shores and reefs at 25 m spatial resolution, addressing a key gap between the availability of sub-tidal bathymetry and terrestrial elevation data. NIDEM was generated by combining global tidal mode

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Source details

Licence: CC-BY-4.0

Evidence quality: 30.4

Listed in gee public catalogue API on 2026-10-16; relevance/value screened (haiku).

Metadata checked: 2026-10-14T13:20:00.000Z

What's in it

Resolution registry
25 m

Evidence

Check upstream coverage, uncertainty and licence before use. Station observations are not forecasts or design levels.