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  2. Chart datum - Wikipedia

    en.wikipedia.org/wiki/Chart_datum

    Tide tables give the height of the tide above a chart datum making it feasible to calculate the depth of water at a given point and at a given time by adding the charted depth to the height of the tide. One may calculate whether an area that dries is under water by subtracting the drying height from the [given] height calculated from the tide ...

  3. Tide table - Wikipedia

    en.wikipedia.org/wiki/Tide_table

    Tide tables, sometimes called tide charts, are used for tidal prediction and show the daily times and levels of high and low tides, usually for a particular location. [1] Tide heights at intermediate times (between high and low water) can be approximated by using the rule of twelfths or more accurately calculated by using a published tidal ...

  4. Tide - Wikipedia

    en.wikipedia.org/wiki/Tide

    Tidal islandIsland accessible by foot at low tide; Tidal locking – Situation in which an astronomical object's orbital period matches its rotational period; Tidal prism – Volume of water in an estuary or inlet between mean high tide and mean low tide; Tidal resonance – Enhanced tide due to ocean resonance

  5. Tidal range - Wikipedia

    en.wikipedia.org/wiki/Tidal_range

    Tidal range is the difference in height between high tide and low tide. Tides are the rise and fall of sea levels caused by gravitational forces exerted by the Moon and Sun, by Earth's rotation and by centrifugal force caused by Earth's progression around the Earth-Moon barycenter. Tidal range depends on time and location.

  6. Tide clock - Wikipedia

    en.wikipedia.org/wiki/Tide_clock

    When the clock reaches the halfway point ("half-tide"), it then counts the hours up to high tide or low tide, as in "one hour until high or low tide". Generally, there is an adjustment knob on the back on the instrument which may be used to set the tide using official tide tables for a specific location at either high or low tide.

  7. List of wadis of Kuwait - Wikipedia

    en.wikipedia.org/wiki/List_of_wadis_of_Kuwait

    However, Kuwait does have several wadis, the most notable of which is Wadi al-Batin which forms the border between Kuwait and Iraq. [12] Kuwait also has several river-like marine channels around Bubiyan Island, most notably Khawr Abd Allah which is now an estuary , but once was the point where the Shatt al-Arab emptied into the Persian Gulf.

  8. Intertidal zone - Wikipedia

    en.wikipedia.org/wiki/Intertidal_zone

    A California tide pool in the low tide zone. The intertidal region is an important model system for the study of ecology, especially on wave-swept rocky shores. The region contains a high diversity of species, and the zonation created by the tides causes species ranges to be compressed into very narrow bands.

  9. Tide-Predicting Machine No. 2 - Wikipedia

    en.wikipedia.org/wiki/Tide-Predicting_Machine_No._2

    Tide-Predicting Machine No. 2, also known as Old Brass Brains, [1] was a special-purpose mechanical computer that uses gears, pulleys, chains, and other mechanical components to compute the height and time of high and low tides for specific locations. The machine can perform tide calculations much faster than a person could do with pencil and ...