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Australian Water Information Dictionary

AHD

Australian Height Datum

The datum that sets mean sea level as zero elevation. Mean sea level was determined from observations recorded by 30 tide gauges around the coast of the Australian continent for the period 1966–1968.

See Geoscience Australia for further information.

This definition applies to:

• Glossary for Water forecasts: Flood warning services
• Glossary for Water status: Water Storage
• Glossary for Standards: National Industry Guidelines for hydrometric monitoring

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