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    ELWIS
    https://www.elwis.de › DE › dynamisch › Wasserstaende › Pegelvorhersage:KAUB

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    Pegel Kaub – Wikipedia
    Wikipedia
    Kaub gauging station - Wikipedia

    50°5.126′N 7°45.898′E / 50.085433°N 7.764967°E

    The Kaub gauging station (German: Pegel Kaub, Kauber Pegel) is a stream gauge located on the Rhine river in the German city of Kaub. It is a "decisive" water level measurement site for the Rhine, as Kaub is located at the shallowest part of the Middle Rhine and ships with freight from North Sea ports have to pass Kaub on their way to the industrial southwest of German…

    50°5.126′N 7°45.898′E / 50.085433°N 7.764967°E

    The Kaub gauging station (German: Pegel Kaub, Kauber Pegel) is a stream gauge located on the Rhine river in the German city of Kaub. It is a "decisive" water level measurement site for the Rhine, as Kaub is located at the shallowest part of the Middle Rhine and ships with freight from North Sea ports have to pass Kaub on their way to the industrial southwest of Germany. The gauge level does not directly correspond to the actual depth of the river (zero level is not at the riverbed); instead, as is the case with most Rhine gauges, the actual depth of the navigation channel is defined as:

    Gauge value + Ideal depth of the navigation channel (1.9 m) − Equivalent water level (0.78 m)

    For example, a gauge level of 60 cm corresponds to an actual navigation depth of 0.60 + 1.90 - 0.78 = 1.72 m.

    When the level at the gauge reaches the low 75 cm mark, th…

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    Wikipedia

    The gauge is located at Rhine-kilometre 546.3 on the right side of the river (slightly downriver from Pfalzgrafenstein Castle), near the center of Kaub and adjacent to the Kaub ferry, signal mast and the former pilot station.

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    The level gauges on the Middle Rhine date back to 1797, when one was built in Erfelden [de] (currently on the old Rhine riverbed at the Kühkopf-Knoblochsaue). In Kaub, a staff gauge was built in 1856. The gauge tower was built by Prussia and opened on May 18, 1905 with a level recorder and a display of the current water level on a large mechanical indicator (electrified in 1951). Since 1967, the gauge has been equipped with remote data transmission. A measurement announcement device was added in 1968 and a punched tape recorder was set up in 1973. When the gauge was modernised in 2011, paper recording was dropped and a second, redundant, measuring device was installed instead. The measured values are transmitted to the hydrological data center and can be checked at the ELWIS [de] site.

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    The Kaub gauge is of central importance to shipping on the Rhine to destinations above Koblenz. The amount of cargo to be carried on the Rhine is limited by the draft of the ship being low enough to pass at Kaub. The load of a large (135 m) container vessel is seriously affected by low water: a full capacity load is possible at the 250 cm level, the load drops to 50% at 135 cm, to 25% at 75 cm, and to 16% at 55 cm.

    When the gauge level is below 40 cm, freight navigation is practically impossible, although specially designed vessels can get through even at 35 cm.

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    Information about the gauge:
    • Zero level: 67.66 m above sea level (since January 1, 1951)
    • High water mark I (HSW I): 4.60 m
    • High water mark II (HSW II): 6.40 m (shipping prohibited)
    • Highest water level (HHW): (1883) 8.25 m
    • Mean water level (MW) in the time series 2000-2010: 2.24 m
    • Lowest observed level (NNW) (22 October 2018): 0.24 m
    • Equivalent water level (GlW): 0.78 m
    • Fairway depth (TuGlW): 1.90 m.
    • Water levels for the last 14 days: Federal Institute for Hydrology [de]

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