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Introduction of vertical reference level Lowest Astronomical Tide (LAT): in the products of the Netherlands Hydrographic Service
Elema, I.A.; Kwanten, M.C. (2006). Introduction of vertical reference level Lowest Astronomical Tide (LAT): in the products of the Netherlands Hydrographic Service, in: Evolutions in hydrography, 6th - 9th November 2006, Provincial House Antwerp, Belgium: Proceedings of the 15th International Congress of the International Federation of Hydrographic Societies. Special Publication (Hydrographic Society), 55: pp. 24-28
In: (2006). Evolutions in hydrography, 6th - 9th November 2006, Provincial House Antwerp, Belgium: Proceedings of the 15th International Congress of the International Federation of Hydrographic Societies. Special Publication of the Hydrographic Society, 55. International Federation of Hydrographic Society: London. 234 + cd-rom pp., more
In: Special Publication (Hydrographic Society). Hydrographic Society: London. ISSN 0309-8303, more

Available in  Authors 
Document type: Conference paper

Keywords
    Hydrography; Water depth; Marine

Authors  Top 
  • Elema, I.A.
  • Kwanten, M.C.

Abstract
    Following international agreements, the Hydrographic Service of the Royal Netherlands Navy is in the process of changing the Chart Datum in its products from Mean Lower Low Water Spring (MLLWS) to Lowest Astronomical Tides (LAT). LAT is in general a level 2 to 3 decimetres below the level of MLLWS. As a result, depths in nautical charts will decrease. Tidal height predictions will increase with the same amount. The transition in the products is expected to take several years.

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