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2017•AIP conference proceedingsOpen access

Regional properties of aerosol-cloud interaction estimated from long-term satellite analysis

Miho Sekiguchi, Takashi Y. Nakajima, Takashi M. Nagao, Teruyuki Nakajima

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Abstract

The present study investigated the correlations between aerosol and cloud parameters derived from satellite remote sensing to estimate properties of aerosol-cloud interactions. The global statistics showed that effective particle radius and optical thickness of low clouds correlate well with column number concentration of the aerosol particles in small – moderate amount of atmospheric aerosol loading (about Na < 109 [particles/cm2]), which are consistent with an aerosol indirect effect. In case of turbid atmosphere, inverse trends between aerosol and cloud microphysics parameters are appeared. These inverse tendencies can be founded in case of smaller LWP cases.

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The present study investigated the correlations between aerosol and cloud parameters derived from satellite remote sensing to estimate properties of aerosol-cloud interactions. The global statistics showed that effective particle radius and optical thickness of low clouds correlate well with column number concentration of the aerosol particles in small – moderate amount of atmospheric aerosol loading (about Na < 109 [particles/cm2]), which are consistent with an aerosol indirect effect. In case of turbid atmosphere, inverse trends between aerosol and cloud microphysics parameters are appeared. These inverse tendencies can be founded in case of smaller LWP cases.

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Available abstract

The present study investigated the correlations between aerosol and cloud parameters derived from satellite remote sensing to estimate properties of aerosol-cloud interactions. The global statistics showed that effective particle radius and optical thickness of low clouds correlate well with column number concentration of the aerosol particles in small – moderate amount of atmospheric aerosol loading (about Na < 109 [particles/cm2]), which are consistent with an aerosol indirect effect. In case of turbid atmosphere, inverse trends between aerosol and cloud microphysics parameters are appeared. These inverse tendencies can be founded in case of smaller LWP cases.

Key concepts: Aerosol, Effective radius, Satellite, Environmental science, Atmospheric sciences, Cloud computing, Atmosphere (unit), Meteorology

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