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  2. 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 ...

  3. National Oceanic and Atmospheric Administration - Wikipedia

    en.wikipedia.org/wiki/National_Oceanic_and...

    The National Oceanic and Atmospheric Administration (abbreviated as NOAA / ˈ n oʊ. ə / NOH-ə) is an American scientific and regulatory agency charged with forecasting weather, monitoring oceanic and atmospheric conditions, charting the seas, conducting deep-sea exploration, and managing fishing and protection of marine mammals and endangered species in the US exclusive economic zone.

  4. Cottonwood Creek (Sacramento River tributary) - Wikipedia

    en.wikipedia.org/wiki/Cottonwood_Creek...

    Cottonwood Creek is a major stream and tributary of the Sacramento River in Northern California.About 68 miles (109 km) long measured to its uppermost tributaries, the creek drains a large rural area bounded by the crest of the Coast Ranges, traversing the northwestern Sacramento Valley before emptying into the Sacramento River near the town of Cottonwood.

  5. National Marine Fisheries Service - Wikipedia

    en.wikipedia.org/wiki/National_Marine_Fisheries...

    NOAA Fisheries has placed trained fishery observers aboard commercial fishing vessels to collect a variety of data on catch, bycatch, and fishing operations since the 1970s. Fishery observers are trained biologists who collect data on fishing activities onboard commercial vessels in support of science and management programs. [ 33 ]

  6. Nautical chart - Wikipedia

    en.wikipedia.org/wiki/Nautical_chart

    A 1976 United States NOAA chart of part of Puerto Rico A nautical chart of the Warnemünde harbor shown on OpenSeaMap. A nautical chart or hydrographic chart is a graphic representation of a sea region or water body and adjacent coasts or banks.

  7. Tide - Wikipedia

    en.wikipedia.org/wiki/Tide

    Tide flow information is most commonly seen on nautical charts, presented as a table of flow speeds and bearings at hourly intervals, with separate tables for spring and neap tides. The timing is relative to high water at some harbour where the tidal behaviour is similar in pattern, though it may be far away.

  8. Tide-Predicting Machine No. 2 - Wikipedia

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

    Predictions for a year’s tides at that location can then be produced in 8–15 hours. [6] The calculations Tide-Predicting Machine No. 2 can perform in 1 day would require a person 125 days to perform by hand. [2] Around 1915, the machine was used to produce annual tide tables for 70 major ports worldwide. [4] Additional ports were added in ...

  9. Tide gauge - Wikipedia

    en.wikipedia.org/wiki/Tide_gauge

    A tide gauge The tide gauge in Kronstadt, Russia [1] A tide gauge is a device for measuring the change in sea level relative to a vertical datum. [2] [3] It is also known as a mareograph, [4] marigraph, [5] and sea-level recorder. [6] When applied to freshwater continental water bodies, the instrument may also be called a limnimeter. [7] [8]

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