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A new method for nocturnal aerosol measurements with a lunar photometer prototype [Discussion paper]
Title: A new method for nocturnal aerosol measurements with a lunar photometer prototype [Discussion paper]
Authors: Barreto Velasco, África ORCID RESEARCHERID SCOPUSID Autor AEMETCuevas Agulló, Emilio ORCID RESEARCHERID SCOPUSID Autor AEMETDamiri, BahaiddinGuirado-Fuentes, Carmen ORCID RESEARCHERID Autor AEMETBerkoff, T.Berjón, AlbertoAutor AEMETHernández Pérez, Carmen Yballa ORCID Almansa Rodríguez, Antonio FernandoAutor AEMETGil-Ojeda, Manuel
Keywords: Aerosoles; Forzamiento radiativo; Fotómetros; Aerosols; Radiative forcing; Photometer
Issue Date: 2012
Publisher: European Geosciences Union
Citation: Atmospheric Measurement Techniques Discussions. 2012, 5, p. 5527–5569
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Abstract: This paper presents the preliminary results of nocturnal Aerosol Optical Depth (τa) and Angström Exponent (α) obtained from a new lunar photometer prototype, trade name Cimel CE-318U. Due to the variation of the moon's illumination inherent to the lunar cycle, the typical Langley-plot Method used in solar photometry to calibrate these instruments cannot be applied. In this paper, we propose three different methods to carry out the lunar-photometer calibration. In order to validate the results, we have selected three events which encompass seven nights and ten days under different atmospheric conditions, including several saharan dust intrusions episodes. Method#1 is introduced in this work as a modification of the usual Langley Method.
Sponsorship : The Aeronet sunphotometer at Izana has been calibrated within ˜ AERONET-EUROPE TNA supported by the European Community – Research Infrastructure Action under the FP7 “Capacities” specific programme for Integrating Activities, ACTRIS Grant Agreement no. 262254.
ISSN: 1867-8610
Appears in Collections:Artículos científicos 2010-2014

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