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Title: Satellite estimated cloud Radiative Forcing in the Presence of Aerosol events over the South of Portugal
Authors: Santos, Dina
Costa, Maria João
Bortoli, Daniele
Silva, Ana Maria
Keywords: Aerosol-Cloud Interactions
Cloud Parameter Retrieval
Issue Date: 2007
Publisher: SPIE - International Society for optics and Photonics
Citation: Santos, D. ; M. J. Costa ; D. Bortoli and A. M. Silva "Satellite estimated cloud radiative forcing in the presence of aerosol events over the south of Portugal", Proc. SPIE 6745, Remote Sensing of Clouds and the Atmosphere XII, 674522 (October 25, 2007); doi:10.1117/12.737951;
Abstract: The present work aims to investigate the effects of Saharan desert dust storms on cloud properties and respective radiative forcing over the South of Portugal and nearby Atlantic Ocean, for a case study that occurred between 26 and 29 May 2006, using the MODerate Resolution Imaging Spectroradiometer (MODIS) satellite data. The determination of cloud properties in different regions subject to the presence of dust aerosols provides information on the possible alterations that these clouds may suffer due to the presence of an aerosol layer. Cloud effective radius, optical depth and water path retrieved values are considerably smaller for clouds developing in a dusty atmosphere than for clouds in a dust-free atmosphere. Due to these changes it was also possible to observe that the instantaneous cloud radiative forcing (ICRF) values at the top of the atmosphere (TOA) and at the surface are lower when dust aerosols are not present.
Type: article
Appears in Collections:FIS - Artigos em Livros de Actas/Proceedings
CGE - Artigos em Livros de Actas/Proceedings

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