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http://dx.doi.org/10.7780/kjrs.2008.24.4.289

MODIS-estimated Microphysical Properties of Clouds Developed in the Presence of Biomass Burning Aerosols  

Kim, Shin-Young (Global Environment System Reasearch Lab., National Institute of Meteorological Research Seoul)
Sohn, Byung-Ju (School of Earth of Environmental Sciences, Seoul National University)
Publication Information
Korean Journal of Remote Sensing / v.24, no.4, 2008 , pp. 289-298 More about this Journal
Abstract
An algorithm was developed to retrieve both cloud optical thickness and effective particle radius considered the aerosol effect on clouds. This study apply the algorithm of Nakajima and Nakajima (1995) that is used to retrieve cloud optical thickness and effective particle radius from visible, near infrared satellite spectral measurements. To retrieve cloud properties, Look-up table (LUT) was made under different atmospheric conditions by using a radiative transfer model. Especially the vertical distribution of aerosol is based on a tropospheric aerosol profile in radiative transfer model. In the case study, we selected the extensive forest fire occurred in Russia in May 2003. The aerosol released from this fire may be transported to Korea. Cloud properties obtained from these distinct atmospheric situations are analysed in terms of their possible changes due to the interactions of the clouds with the aerosol particle plumes. Cloud properties over the East sea at this time was retrieved using new algorithm. The algorithm is applied to measurements from the MODerate Resolution Imaging Spectrometer (MODIS) onboard the Terra spacecrafts. As a result, cloud effective particle radius was decreased and cloud optical thickness was increased during aerosol event. Specially, cloud effective particle radius is hardly greater than $20{\mu}m$ when aerosol particles were present over the East Sea. Clouds developing in the aerosol event tend to have more numerous but smaller droplets.
Keywords
MODerate Resolution Imaging Spectrometer (MODIS); cloud properties retrieval; aerosol; radiative transfer model; biomass burning;
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Times Cited By KSCI : 1  (Citation Analysis)
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