A new approach for atmospheric correction of MODIS imagery in turbid coastal waters: a case study for the Pearl River Estuary
He, QJ; Chen, CQ; cqchen@scsio.ac.cn
2014
发表期刊REMOTE SENSING LETTERS
ISSN2150-704X
卷号5期号:3页码:249-257
摘要The algorithms for atmospheric correction (AC) of Moderate Resolution Imaging Spectroradiometer (MODIS) data may yield negative water-leaving radiances in highly turbid coastal waters along the Pearl River Estuary of China. This failure of AC can be attributed to the high reflectance from the suspended sediments in the near-infrared (NIR) bands, which results in an overestimate of the aerosol scattering and hence overcorrection in the visible bands. In this letter, a new shortwave infrared extrapolation (SWIRE) method is presented for Terra-MODIS data. The Rayleigh-corrected reflectances in the SWIR bands (1.24, 1.64, and 2.13 mu m) are used to determine an exponential function with respect to wavelength, which is used to correct the NIR bands (0.748 and 0.869 mu m) for sediment scattering and hence estimate the aerosol scattering reflectances in these bands. Then the Gordon and Wang AC approach is applied. The performance of this new SWIRE algorithm is demonstrated using two examples centred on the Pearl River Estuary, with the results showing that the new approach can improve the AC for these turbid waters.
部门归属[He, Quanjun ; Chen, Chuqun] Chinese Acad Sci, South China Sea Inst Oceanol, State Key Lab Trop Oceanog, Guangzhou, Guangdong, Peoples R China ; [He, Quanjun] Guangdong Prov Meteorol Bur, Guangzhou Meteorol Satellite Ground Stn, Guangzhou, Guangdong, Peoples R China ; [He, Quanjun] Univ Chinese Acad Sci, Grad Sch, Beijing, Peoples R China
学科领域Remote Sensing ; Imaging Science & Photographic Technology
资助者National Scientific Support Program [2012BAH32B01]; Guangdong Province [2011498B11]; National 863 Program [2009AA12Z135]; National Natural Science Foundation of China [40976106, 41276182] ; National Scientific Support Program [2012BAH32B01]; Guangdong Province [2011498B11]; National 863 Program [2009AA12Z135]; National Natural Science Foundation of China [40976106, 41276182] ; National Scientific Support Program [2012BAH32B01]; Guangdong Province [2011498B11]; National 863 Program [2009AA12Z135]; National Natural Science Foundation of China [40976106, 41276182] ; National Scientific Support Program [2012BAH32B01]; Guangdong Province [2011498B11]; National 863 Program [2009AA12Z135]; National Natural Science Foundation of China [40976106, 41276182]
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收录类别sci
资助项目LTO
资助者National Scientific Support Program [2012BAH32B01]; Guangdong Province [2011498B11]; National 863 Program [2009AA12Z135]; National Natural Science Foundation of China [40976106, 41276182] ; National Scientific Support Program [2012BAH32B01]; Guangdong Province [2011498B11]; National 863 Program [2009AA12Z135]; National Natural Science Foundation of China [40976106, 41276182] ; National Scientific Support Program [2012BAH32B01]; Guangdong Province [2011498B11]; National 863 Program [2009AA12Z135]; National Natural Science Foundation of China [40976106, 41276182] ; National Scientific Support Program [2012BAH32B01]; Guangdong Province [2011498B11]; National 863 Program [2009AA12Z135]; National Natural Science Foundation of China [40976106, 41276182]
WOS记录号WOS:000334040100006
引用统计
被引频次:5[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.scsio.ac.cn/handle/344004/10565
专题热带海洋环境国家重点实验室(LTO)
通讯作者cqchen@scsio.ac.cn
推荐引用方式
GB/T 7714
He, QJ,Chen, CQ,cqchen@scsio.ac.cn. A new approach for atmospheric correction of MODIS imagery in turbid coastal waters: a case study for the Pearl River Estuary[J]. REMOTE SENSING LETTERS,2014,5(3):249-257.
APA He, QJ,Chen, CQ,&cqchen@scsio.ac.cn.(2014).A new approach for atmospheric correction of MODIS imagery in turbid coastal waters: a case study for the Pearl River Estuary.REMOTE SENSING LETTERS,5(3),249-257.
MLA He, QJ,et al."A new approach for atmospheric correction of MODIS imagery in turbid coastal waters: a case study for the Pearl River Estuary".REMOTE SENSING LETTERS 5.3(2014):249-257.
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