NDLI: Enhanced deep blue aerosol retrieval algorithm: the second generation

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Enhanced deep blue aerosol retrieval algorithm: the second generation

Content Provider	NASA Technical Reports Server (NTRS)
Author	Bettenhausen, C. Hsu, N. C. Jeong, M.-J. Seftor, C. S. Sayer, A. M. Hansell, R. Tsay, S.-C. Huang, J.
Copyright Year	2013
Description	The aerosol products retrieved using the MODIS collection 5.1 Deep Blue algorithm have provided useful information about aerosol properties over bright-reflecting land surfaces, such as desert, semi-arid, and urban regions. However, many components of the C5.1 retrieval algorithm needed to be improved; for example, the use of a static surface database to estimate surface reflectances. This is particularly important over regions of mixed vegetated and non- vegetated surfaces, which may undergo strong seasonal changes in land cover. In order to address this issue, we develop a hybrid approach, which takes advantage of the combination of pre-calculated surface reflectance database and normalized difference vegetation index in determining the surface reflectance for aerosol retrievals. As a result, the spatial coverage of aerosol data generated by the enhanced Deep Blue algorithm has been extended from the arid and semi-arid regions to the entire land areas.
File Size	5556659
Page Count	76
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_20140010902
Archival Resource Key	ark:/13960/t6g210978
Language	English
Publisher Date	2013-08-30
Access Restriction	Open
Subject Keyword	Deep Blue Aerosol Optical Depth Aerosol Retrieval Algorithm Arid Lands Imaging Spectrometers Normalized Difference Vegetation Index Algorithms Annual Variations Aerosols Surface Properties Reflection Modis Radiometry Data Bases Spectral Reflectance Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science
Content Type	Text
Resource Type	Article

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