Knowledge of an iceberg's draft is essential for assessing its risk to underwater installations, in predicting its drift, and for estimating its total bulk. Because of the highly irregular shape of icebergs, it is impossible to estimate an iceberg's draft directly from its above-water dimensions. Large tabular icebergs have been sounded using radio techniques. It is reported that estimates of the draft of irregularly-shaped icebergs can also be obtained from the air quickly and accurately using short-pulse radar. A small iceberg in Twillingate Harbour, Newfoundland was sounded from a helicopter using impulse radar, on 11 June 1977. The result was verified by simultaneous measurement of the iceberg's draft using side-scan sonar.


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    Title :

    Iceberg sounding by impulse radar


    Additional title:

    Peilung von Eisbergen mit Impulsradar


    Contributors:

    Published in:

    Nature ; 271 , 5640 ; 48-50


    Publication date :

    1978


    Size :

    3 Seiten, 8 Quellen



    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




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