Acta Optica Sinica, Volume. 30, Issue 4, 928(2010)
Study of the Surface Reflectance Relationships Used in MODIS Retrieval Algorithm of Aerosols over the Semi-Arid Region of the Loess Plateau
According to the second-generation (Moderate-resolution imaging spectroradiometer,MODIS) retrieval algorithm of aerosol properties over land (C005-L),the atmospheric correction of MODIS/Terra data at Semi-arid climate and environment observatory of lanzhou university (SACOL) of (Aerosol robotic network,AERONET) in the semi-arid region of the Loess Plateau was performed by respectively using the SACOL aerosol model based on surface observation and the continental aerosol model used in 6S. The surface reflectances of the visible and near-infrared channels of the SACOL area were obtained and the 0.66vs2.12 and 0.47vs0.66 surface reflectance relation and their change with scattering angle and vegetation index were verified. The results show that the correlation of surface reflectances between 0.47 μm and 0.66 μm is stronger and more stable than the one between 0.47 μm and 2.12 μm;the surface reflectance relation of 0.47vs2.12 μm is not dependent on scattering angle.
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Bai Hongtao, Chen Yonghang, Feng Jiandong, Huang Jianping, Zhang Wenyu, Zhang Qiang, Guo Ni, Wang Sheng. Study of the Surface Reflectance Relationships Used in MODIS Retrieval Algorithm of Aerosols over the Semi-Arid Region of the Loess Plateau[J]. Acta Optica Sinica, 2010, 30(4): 928
Category: Atmospheric Optics and Oceanic Optics
Received: May. 26, 2009
Accepted: --
Published Online: Apr. 20, 2010
The Author Email: Hongtao Bai (yanshumole@yahoo.com.cn)