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Sensitivity of aerosol retrieval to geometrical configuration of ground-based sun/sky radiometer observations
Title: Sensitivity of aerosol retrieval to geometrical configuration of ground-based sun/sky radiometer observations
Authors: Torres, BenjamínDubovik, OlegToledano, CarlosBerjón, AlbertoCachorro, Victoria E.Lapyonok, TatsianaLitvinov, PavelGoloub, Philippe
Keywords: Aerosoles; Forzamiento radiativo; Radiómetros; Radiometers; Aerosols; Radiative forcing
Issue Date: 2014
Publisher: European Geosciences Union
Citation: Atmospheric Chemistry and Physics. 2014, 14(2), p. 847-875
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Abstract: A sensitivity study of aerosol retrievals to the geometrical configuration of the ground-based sky radiometer observations is carried out through inversion tests. Specifically, this study is focused on principal plane and almucantar observations, since these geometries are employed in AERONET (AErosol RObotic NETwork). The following effects have been analyzed with simulated data for both geometries: sensitivity of the retrieval to variability of the observed scattering angle range, uncertainties in the assumptions of the aerosol vertical distribution, surface reflectance, possible instrument pointing errors, and the effects of the finite field of view.
Sponsorship : Financial support was provided by the Spanish CICYT (CGL2009-09740 and CGL2011-23413, CGL2011-13085-E). The research leading to these results was supported by funding from the European Union Seventh Framework Programme (FP7/2007-2013) under grant agreement no. 262254 [ACTRIS]. We also thank the Environmental Council of the CyL Regional Government (Consejería de Medio Ambiente, Junta de Castilla y León) for supporting this research.
ISSN: 1680-7316
Appears in Collections:Artículos científicos 2010-2014

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