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El ozono total de la Antártida en 1958 fue

P A Newman

    Science (New York, N.Y.)
    |April 22, 1994
    PubMed
    Resumen

    El agujero de ozono antártico, causado por los radicales de cloro, no estaba presente en 1958. Los datos de la estación Dumont d'Urville en 1958 son inconsistentes con otras mediciones de ozono y el entendimiento científico.

    Área de la Ciencia:

    • Química atmosférica La química atmosférica es la química de la atmósfera.
    • Investigación de la capa de ozono.
    • Ciencias de la Antártida ciencia de la Antártida.

    Sus antecedentes:

    • El agujero de ozono antártico es un fenómeno anual causado por la destrucción catalítica del ozono por los radicales de cloro.
    • Se forma en agosto, alcanza su punto máximo en octubre y se disipa en diciembre.

    Objetivo del estudio:

    • Para evaluar la credibilidad de las mediciones de ozono de 1958 de Dumont d'Urville.
    • Para determinar si existía un agujero de ozono en la Antártida en 1958.

    Principales métodos:

    • Análisis de las placas espectrográficas de la estación Dumont d'Urville, 1958.
    • Comparación de los datos de la placa Dumont con las mediciones del espectrofotómetro Dobson de 1958.

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  • Evaluación de los datos con respecto a las observaciones antárticas contemporáneas y modelos meteorológicos / teóricos.

    • Principales resultados:

    • Los datos de las placas espectrográficas Dumont d'Urville de 1958 muestran valores de ozono total extremadamente bajos.
    • Estos datos de la placa Dumont de 1958 son inconsistentes con las mediciones del espectrofotómetro Dobson de 1958.
    • Los datos de Dumont de 1958 contradicen las observaciones actuales de la Antártida y los modelos atmosféricos establecidos.

    Conclusiones:

    • No hay evidencia creíble para apoyar la existencia de un agujero de ozono en la Antártida en 1958.
    • Los datos espectrográficos de 1958 de Dumont d'Urville no son confiables para evaluar la presencia del agujero de ozono.