Ms. Haiping Li Profile

Haiping Li

at Inst Geographic Sci/Nat Res

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Proceedings Article | 14 July 2003 Paper

Quantitative method study of sand-dust information using Terra/MODIS data

Haiping Li, Liya Xiong, Dafang Zhuang

Proceedings Volume 4890, (2003) https://doi.org/10.1117/12.465459

KEYWORDS: MODIS, Aerosols, Remote sensing, Satellites, Ocean optics, Reflectivity, Clouds, Atmospheric particles, Spatial resolution, Vegetation

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With the successful launching of the new generation satellite of EOS Terra, its Moderate Resolution Imaging Spectroradiometer (MODIS) data has more advantages in comprehensive research of land, ocean and atmosphere. ALso it can be used in disaster monitoring and losing assessment. This article focuses on the discussion of using Terra/MODIS data to study sand-dust information quantitative retrieval method. The conclusion is that MODIS data can be used to study the quantitative retrieval of sand-dust information and the study scenario has certain feasibility. The study contains of selecting the characteristic spectrum bands of sand-dust information; separating sand-dust information from the background and enhancing the weak information of floating dust, raising dust, etc. Theory basis of quantitative retrieval method are remote sensing quantitative method, atmosphere radiative transforming and visibility theories. Data pre-processing is also necessary. Retrieving of sand-dust aerosol optic thickness is more difficult and also the key problem to resolve. Case study is necessary and should be used to support the quantitative method. The study can provide the theory basis and technique support for sand-dust disaster forecasting monitoring and preventing.

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