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      <marc:subfield code="a">Morrissey, E. G., </marc:subfield>
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      <marc:subfield code="a">An analysis of the data sampling requirements for the Mast version of the Brewer Bubbler Ozonesonde / </marc:subfield>
      <marc:subfield code="c">by E.G. Morrissey.</marc:subfield>
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      <marc:subfield code="i">Additional title in French at head of abstract: </marc:subfield>
      <marc:subfield code="a">Analyse des besoins en échantillonnage de données pour la version Mast de la sonde Brewer Bubbler</marc:subfield>
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      <marc:subfield code="c">Aug. 21, 1967.</marc:subfield>
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      <marc:subfield code="a">Digitized edition from print [produced by Environment and Climate Change Canada].</marc:subfield>
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      <marc:subfield code="a">Includes bibliographical references (page 7).</marc:subfield>
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      <marc:subfield code="a">"Data from the Mast ozonesonde are subjected to a power spectrum analysis. The resulting power spectra are then used to suggest an optimum sampling frequency for use in the preparation of profiles of the vertical distribution of ozone"--Abstract.</marc:subfield>
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      <marc:subfield code="a">Text in English; abstract in English and French.</marc:subfield>
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      <marc:subfield code="u">https://publications.gc.ca/collections/collection_2025/eccc/en57/En57-56-660-1967-eng.pdf</marc:subfield>
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      <marc:subfield code="a">U.D.C. 551.510.534 :551.508.952</marc:subfield>
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