| Multiangle Remote Sensing of Aerosols Over Ocean (2004) | |||||||||
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| Multiangle Remote Sensing Aerosols Over Ocean Ralph Kahn David Diner John Martonchik and Robcr West Jet Propulsion abor Califor Institute Technology Oak love Drive Pasadena ABSTRACT Multiangle multispectral remote sensing observations such those anticipated from the Earth Observing System EOS Multiangle Imaging SpectroRadiometer MISR can significantly improve our ability constrain aerosol properties from space According theoretical simulations can retrieve column optical depth from measurements over calm ocean for particles with typical size distributions and compositions accuracy least whichever larger even the particle properties are poorly known The measurements also allow distinguish spherical from nonspherical particles and identify three four distinct size groups between and microns effective radius most latitudes based the theoretical study INTRODUCTION Recent advances modeling the Earth climate have brought point where the contributions made aerosols the global radiation budget have impact the results Adreae Charlson Hansen Penner Aerosols are thought contribute significantly direct radiative forcing the atmosphere and indirectly through their influence nucleation sites for cloud particles Knowledge both aerosol optical depth and the rnicrophysical properties the particles are needed adequately model aerosol effects Currently must rely satellite remote sensing provide the spatial and temporal coverage required for global monitoring atmospheric aerosols However the ret | |||||||||
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