30 November 2004 Non-correlation between atmospheric extinction coefficient and TOMS aerosol index at the Canarian Observatories
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Satellite data measuring aerosols over the Canary Islands need to be correctly interpreted in accordance with the spatial resolution and spectroscopic channels used. In situ data are still a necessary reference for calibrating and interpreting the aerosol index provided by different spectrometers onboard satellites. A comparison of both techniques (in situ and remote) is discussed in this paper, showing there is no linear correlation between the aerosol index and the extinction coefficient. Here, we present an interpretation of different situations arising and discuss critically the correct interpretation of the aerosol index and images provided by the TOMS in accordance with the dust presence over the Observatories. The aerosol index measured at sectors centered at both Observatories (Observatorio del Roque de los Muchachos -ORM-, on La Palma and Observatorio del Teide -OT-, on Tenerife) is also compared.
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Antonia Maria Varela, Antonia Maria Varela, Jesús J. Fuensalida, Jesús J. Fuensalida, Casiana Munoz-Tunon, Casiana Munoz-Tunon, Jose Miguel Rodriguez Espinosa, Jose Miguel Rodriguez Espinosa, Begona Garcia-Lorenzo, Begona Garcia-Lorenzo, Emilio Cuevas, Emilio Cuevas, "Non-correlation between atmospheric extinction coefficient and TOMS aerosol index at the Canarian Observatories", Proc. SPIE 5571, Remote Sensing of Clouds and the Atmosphere IX, (30 November 2004); doi: 10.1117/12.565490; https://doi.org/10.1117/12.565490

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