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	An Effective Method for Snow-Cover Mapping of Dense Coniferous Forests in the Upper Heihe River Basin Using Landsat Operational Land Imager Data
	Wang, Xiao-Yan1,2; Wang, Jian2; Jiang, Zhi-Yong1; Li, Hong-Yi2; Hao, Xiao-Hua2
刊名	REMOTE SENSING
	2015-12-01
卷号	7期号:12页码:17246-17257
关键词	remote sensing snow identification forest OLI
ISSN号	2072-4292
DOI	10.3390/rs71215882
通讯作者	Wang, Xiao-Yan(wangxiaoy@lzu.edu.cn)
英文摘要	The Normalized Difference Snow Index (NDSI) is an effective index for snow-cover mapping at large scales, but in forested regions the identification accuracy for snow using the NDSI is low because of forest cover effects. In this study, typical evergreen coniferous forest zones on Qilian Mountain in the Upper Heihe River Basin (UHRB) were chosen as example regions. By analyzing the spectral signature of snow-covered and snow-free evergreen coniferous forests with Landsat Operational Land Imager (OLI) data, a novel spectral band ratio using near-infrared (NIR) and shortwave infrared (SWIR) bands, defined as (rho(nir) - rho(swir))/(rho(nir) + rho(swir)), is proposed. Our research shows that this band ratio, named the normalized difference forest snow index (NDFSI), can be used to effectively distinguish snow-covered evergreen coniferous forests from snow-free evergreen coniferous forests in UHRB.
收录类别	SCI
WOS关键词	NORTHWESTERN CHINA ; REFLECTANCE MODEL ; THEMATIC MAPPER ; GRAIN-SIZE ; MODIS ; ALBEDO ; AREA
WOS研究方向	Remote Sensing
WOS类目	Remote Sensing
语种	英语
出版者	MDPI AG
WOS记录号	WOS:000367534500016
内容类型	期刊论文
URI标识	http://www.corc.org.cn/handle/1471x/2557125
专题	寒区旱区环境与工程研究所
通讯作者	Wang, Xiao-Yan
作者单位	1.Lanzhou Univ, Coll Earth & Environm Sci, Lanzhou 730000, Peoples R China 2.Chinese Acad Sci, Cold & Arid Reg Environm & Engn Res Inst, Lanzhou 730000, Peoples R China
推荐引用方式 GB/T 7714	Wang, Xiao-Yan,Wang, Jian,Jiang, Zhi-Yong,et al. An Effective Method for Snow-Cover Mapping of Dense Coniferous Forests in the Upper Heihe River Basin Using Landsat Operational Land Imager Data[J]. REMOTE SENSING,2015,7(12):17246-17257.
APA	Wang, Xiao-Yan,Wang, Jian,Jiang, Zhi-Yong,Li, Hong-Yi,&Hao, Xiao-Hua.(2015).An Effective Method for Snow-Cover Mapping of Dense Coniferous Forests in the Upper Heihe River Basin Using Landsat Operational Land Imager Data.REMOTE SENSING,7(12),17246-17257.
MLA	Wang, Xiao-Yan,et al."An Effective Method for Snow-Cover Mapping of Dense Coniferous Forests in the Upper Heihe River Basin Using Landsat Operational Land Imager Data".REMOTE SENSING 7.12(2015):17246-17257.

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