Minutes of a workshop on optimum interpolation held 19-20 September 1977 at the National Meteorological Center, Camp Springs, Maryland
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Minutes of a workshop on optimum interpolation held 19-20 September 1977 at the National Meteorological Center, Camp Springs, Maryland

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    "Two large international meetings concerned with the four-dimensional assimilation of meteorological data have been held in this decade. The first was in Princeton, New Jersey, in April 1971, and the second in Paris in November 1975. At the latter meeting it seemed that many of the major modeling groups expected to participate in the First GARP Global Experiment (FGGE) were moving in the direction of statistical, or "optimum," methods of interpolation to assimilate the strongly heterogeneous FGGE data base. By early 1977 all of the major modeling groups in the United States were at least thinking in terms of optimum interpolation, and several possessed functioning systems. Recognizing this, a proposal was made at a meeting on 3 March 1977 at the Goddard Space Flight Center that a meeting of the people involved in building optimum interpolation assimilation systems should be held. A poll of the major groups was conducted to ascertain first if such a meeting would be useful and, if so, what its format should be. The consensus was that an informal workshop with a small attendance would indeed be useful, and that the format should focus on the engineering details of constructing a working assimilation system. The list of participants and the agenda reflect this emphasis on a small meeting concerned with application rather than theory. As the organization of this Workshop proceeded, it became evident that interest in it was wider than had first been supposed. The number of prospective participants appeared to threaten the informal structure which was deemed essential to the success of the Workshop. Accordingly, attendance was limited by requiring that all participants be actively involved in the application of optimum interpolation methods to global data assimilation. Ruthless adherence to this requirement contributed to the success of the Workshop. The minutes of the Workshop have been compiled by the NMC participants primarily from notes and tape recordings, occasionally supplemented by published material. We have generally adopted the attitude that the third and fourth sections represent the substance of the Workshop. Consequently, the minutes of those discussions reflect very little editing--they are nearly verbatim transcripts of the recordings. On the other hand, the second and fifth sections generally cover material which has been published, or will be published in the near future. We have not thought it necessary to include details of these topics, but instead have sought to summarize them rather severely."--Foreword.
  • Content Notes:
    "May 1978."

    "This is an unreviewed manuscript, primarily intended for informal exchange of information among NMC staff members."

    System requirements: Adobe Acrobat Reader.

    Includes bibliographical references.

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