mean tide level — half tide level (plane midway between mean high water and mean low water) … Dictionary of ichthyology
Mean Sea Level — Österr. Höhenmarke am alten Bahnhof von Tarvis / Tarvisio Badwater im kalifornischen … Deutsch Wikipedia
half-tide level — a plane midway between mean high water and mean low water. Also called mean tide level … Dictionary of ichthyology
mean sea level — the mean surface water level determined by averaging heights at all stages of the tide over a certain period, usually a 19 year period. Usually determined from a fixed predetermined reference level or chart datum … Dictionary of ichthyology
mean sea level — The average height of the surface of the sea for all stages of the tide. It is used as a reference for elevations. Usually, it is determined by averaging the height readings observed hourly over a minimum period of nineteen years. Also called sea … Aviation dictionary
mean sea level — The average height of the surface of the sea for all stages of the tide; used as a reference for elevations. Also called MSL … Military dictionary
Permanent Service for Mean Sea Level — The Permanent Service for Mean Sea Level ( [http://www.pol.ac.uk/psmsl/ PSMSL] ), established in 1933, is a repository for tide gauge data used in the measurement of long term sea level change. The PSMSL is based at the Proudman Oceanographic… … Wikipedia
Tide — This article is about tides in the Earth s oceans. For other uses, see Tide (disambiguation). Tidal redirects here. For other uses, see Tidal (disambiguation). High Tide redirects here. For other uses, see High Tide (disambiguation) … Wikipedia
Tide gauge — A tide gauge. A tide gauge is a device for measuring sea level and detecting tsunamis. Sensors continuously record the height of the water level with respect to a height reference surface close to the geoid. Water enters the device by the bottom… … Wikipedia
Tide — Die Bay of Fundy bei Hoch und bei Niedrigwasser Unter den Gezeiten oder der Tide (niederdeutsch tiet = Zeit) versteht man den durch die Gravitation des Mondes und der Sonne verursachten Zyklus von Ebbe und Flut auf den großen Gewässern der Erde … Deutsch Wikipedia
Mean high water springs — The mean high water spring is the highest level to which spring tides reach on the average over a period of time (often 19 years). This level is generally close to being the high water mark where debris accumulates on the shore annually.External… … Wikipedia