Abstract The paper is based on the earth rotation results of projects MERIT and COTES. Project MERIT was a program of international collaboration to m onitor e arth r otation and to intercompare the t echniques of observation and analysis. COTES, just as MERIT, was a joint IAU/IUGG Working Group aimed at resolving the issues for co nventional t errestrial and celestial reference s ystems. The observational phase of the campaign took place between 1 September 1983 and 31 October 1984, with an intensive period of observations between April and June 1984 to look for short periodic variations in the earth rotation parameters. In early August 1985, an international conference on Earth Rotation and the Terrestrial Reference Frame was held at The Ohio State University at which the scientific results of the campaigns were presented. This review paper is based on the conclusions reached at the conference and on results based on the MERIT/COTES activities obtained since then. The International Astronomical Union at its General Assembly in November 1985 passed a number of resolutions with reference to a future international service for earth rotation and the terrestrial reference frame. Based on these resolutions it is expected that a new service, based on observations with space techniques, will be in operation by 1 January 1988. Certain aspects of this service are also discussed. A request for proposals to participate in the new service is included.


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    Titel :

    Earth rotation and the terrestrial reference frame


    Beteiligte:

    Erschienen in:

    Erscheinungsdatum :

    01.01.1986


    Format / Umfang :

    7 pages




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



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