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Clouds Affecting Total Ozone Column Measurements

Silva, A. A.

Pure and applied geophysics, 2022-02, Vol.179 (2), p.833-844 [Periódico revisado por pares]

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Título:
Clouds Affecting Total Ozone Column Measurements
Autor: Silva, A. A.
Assuntos: Clouds ; Earth and Environmental Science ; Earth Sciences ; Emission measurements ; Geophysics/Geodesy ; Ozone ; Radiometers ; Total organic carbon ; Tropical climate
É parte de: Pure and applied geophysics, 2022-02, Vol.179 (2), p.833-844
Descrição: Total ozone column (TOC) measurements have been made remotely all over the globe using ground-based and satellite probing. Other atmospheric constituents such as clouds and aerosols can interfere significantly in such measurements. In this work, the influence of clouds on TOC ground-based measurements in a tropical site is investigated using 16 months of spectral direct Sun measurements from an ultraviolet narrow-band radiometer. The results show that, on average, TOC measurements through clouds blocking the Sun (TOC C ) can be 0.9% (ranging from −4.6 to 3.4%) larger than TOC measurements under cloud-free skies (TOC CFS ), and TOC measurements under all-sky conditions without clouds blocking the Sun can be 0.3% (ranging from −5.4 to 2.2%) larger than TOC CFS . In addition, the variability rate (Dobson units/min) in TOC C can be over five times that for TOC CFS on average.
Editor: Cham: Springer International Publishing
Idioma: Inglês

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