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	Estimation of land surface directional emissivity in mid-infrared channel around 4.0 mu m from MODIS data
	Tang B. H. ; Li Z. L. ; Bi Y. Y.
	2009
关键词	bidirectional reflectivity reflectance retrieval models
英文摘要	This work addressed the estimate of the directional emissivity in the mid-infrared (MIR) channel around 4.0 mu m from MODIS data. A series of bidirectional reflectances in MODIS channel 22 (3.97 mu m) were retrieved using the method developed by Tang and Li (Int. J. Remote Sens. 29, 4907, 2008) and then were used to estimate the directional emissivity in this channel with the aid of the BRDF model modified by Jiang and Li (Opt. Express 16, 19310, 2008). To validate the estimated directional emissivity, a cross-comparison of MODIS derived emissivities in channel 22 using the proposed method were performed with those provided by the MODIS land surface temperature/emissivity product MYD11B1 data. The results show that the proposed method for estimating the directional emissivity in MIR channel gives results comparable to those of MYD11B1 product with a Mean Error of -0.007 and a Root Mean Square Error of 0.024. (C) 2009 Optical Society of America
出处	Optics Express
卷	17
期	5
页	3173-3182
收录类别	SCI
语种	英语
ISSN号	1094-4087
内容类型	SCI/SSCI论文
源URL	[http://ir.igsnrr.ac.cn/handle/311030/23004]
专题	地理科学与资源研究所_历年回溯文献
推荐引用方式 GB/T 7714	Tang B. H.,Li Z. L.,Bi Y. Y.. Estimation of land surface directional emissivity in mid-infrared channel around 4.0 mu m from MODIS data. 2009.

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