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学科主题: 地理学::自然地理学
题名: Developing Daily Cloud-Free Snow Composite Products From MODIS Terra-Aqua and IMS for the Tibetan Plateau
作者: Yu, JY (Yu, Jinyuan)1, 2; Zhang, GQ (Zhang, Guoqing)1, 3; Yao, TD (Yao, Tandong)1, 3; Xie, HJ (Xie, Hongjie)4; Zhang, HB (Zhang, Hongbo)1; Ke, CQ (Ke, Changqing)5; Yao, RZ (Yao, Ruzhen)6
通讯作者: Yu, JY ; Zhang, GQ ; Yao, TD ; Zhang, HB ; Xie, HJ ; Ke, CQ ; Yao, RZ
刊名: IEEE TRANSACTIONS ON GEOSCIENCE AND REMOTE SENSING
发表日期: 2016
DOI: 10.1109/TGRS.2015.2496950
卷: 54, 期:4, 页:2171-2180
收录类别: SCI
合作性质: 国际
文章类型: Article
英文摘要: Daily snow cover mapping is difficult when Moderate Resolution Imaging Spectroradiometer (MODIS) snow cover products are cloud obscured. The daily cloud -free snow cover product provides an essential parameter for hydrological modeling, climate system studies, and snow -caused disaster monitoring on the Tibetan Plateau (TP). In this paper, we present an algorithm, Terra Aqua IMS (TAI), which combines MODIS Terra and Aqua (500 m) and the Interactive Multisensor Snow and Ice Mapping System (IMS; 4 km) to produce a daily cloud -free snow cover product (500 m). The overall accuracy of the new TAI over the TP is 94% as compared with ground stations in all -sky conditions; this value is significantly higher than the 64 % of the blended MODIS Terra Aqua product and the 55% and 50% of the original MODIS Terra and Aqua products, respectively. Without the IMS, the daily combination of MODIS Terra Aqua can only remove limited cloud contamination: 37.3% of the annual mean cloud coverage compared with 46.6% (MODIS Terra) and 55.1 % (MODIS Aqua). The resulting annual mean snow cover over the TP from the daily TAI data is 19.1 %, which is much larger than the 4.7 %-8.1 % from the daily original MODIS Terra/Aqua and the blended Terra Aqua snow product due to cloud blockage.
语种: 英语
WOS记录号: WOS:000373004000023
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.itpcas.ac.cn/handle/131C11/7725
Appears in Collections:图书馆_期刊论文

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作者单位: 1.Chinese Acad Sci, Key Lab Tibetan Environm Changes & Land Surface P, Inst Tibetan Plateau Res, Beijing 100101, Peoples R China.
2.Tibet Univ, Lhasa 850000, Peoples R China
3.Chinese Acad Sci, Ctr Excellence Tibetan Plateau Earth Sci, Beijing 100101, Peoples R China
4.Univ Texas San Antonio, Lab Remote Sensing & Geoinformat, San Antonio, TX 78249 USA
5.Nanjing Univ, Jiangsu Prov Key Lab Geog Informat Sci & Technol, Nanjing 210046, Jiangsu, Peoples R China
6.Chinese Acad Sci, State Key Lab Remote Sensing Sci, Inst Remote Sensing & Digital Earth, Beijing 100101, Peoples R China

Recommended Citation:
Yu, JY ,Zhang, GQ ,Yao, TD ,et al. Developing Daily Cloud-Free Snow Composite Products From MODIS Terra-Aqua and IMS for the Tibetan Plateau[J]. IEEE TRANSACTIONS ON GEOSCIENCE AND REMOTE SENSING,2016,54(4):2171-2180.
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文件名: V.54(4) 2171-2180 2016.pdf
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