Regaining MODIS Aerosol Retrievals for Excessive Thin Cirrus Screening Cases over Water Vapor Deficit Regions

Jingfeng Huang; Jingfeng Huang; N. Christina Hsu; Si-Chee Tsay; Myeong-Jae Jeong; Richard A. Hansell; Richard A. Hansell

doi:10.1364/HISE.2011.HTuB4

Imaging and Applied Optics
OSA Technical Digest (CD) (Optica Publishing Group, 2011),
paper HTuB4
•https://doi.org/10.1364/HISE.2011.HTuB4

Regaining MODIS Aerosol Retrievals for Excessive Thin Cirrus Screening Cases over Water Vapor Deficit Regions

Jingfeng Huang, N. Christina Hsu, Si-Chee Tsay, Myeong-Jae Jeong, and Richard A. Hansell

Hyperspectral Imaging and Sounding of the Environment 2011

Toronto Canada
10–14 July 2011
ISBN: 978-1-55752-914-5

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J. Huang, N. C. Hsu, S. Tsay, M. Jeong, and R. A. Hansell, "Regaining MODIS Aerosol Retrievals for Excessive Thin Cirrus Screening Cases over Water Vapor Deficit Regions," in Imaging and Applied Optics, OSA Technical Digest (CD) (Optica Publishing Group, 2011), paper HTuB4.

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Abstract

The current operational MODIS aerosol retrieval is susceptible to thin cirrus over-screening due to the use of 1.38μm channel that misidentify thin cirrus over dry and high surface albedo regions. A joint use of the reflectance ratio between 1.38μm and 0.66μm (RR1.38/0.66) and the brightness temperature difference between 11μm and 12μm (BTD11-12) are discussed to improve the thin cirrus screening scheme in the aerosol retrieval.

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