气候变化领域集成服务门户(CCPortal): Reflectance-Elevation Relationships and Their Seasonal Patterns over Twelve Glaciers in Western China Based on Landsat 8 Data

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DOI	10.3390/rs9030187
	Reflectance-Elevation Relationships and Their Seasonal Patterns over Twelve Glaciers in Western China Based on Landsat 8 Data
	Li, Xinwu; Wu, Wenjin; Xu, Baiqing; Yin, Siyang; Yang, Ruifang; Cheng, Shu
通讯作者	Wu, WJ (通讯作者)
发表日期	2017
EISSN	2072-4292
卷号	9 期号:3
英文摘要	Albedo/reflectance is of great importance for glaciers' mass balance and energy budget. Elevation could be a major factor of influence for glacier reflectance, and therefore when studying glacier reflectance, the altitude ranges should be considered. However, due to the limitations of traditional earth observation systems, conventional analyses usually consider the spatial and temporal patterns of the reflectance average, which is severely restricted. The launch of Landsat-8 gives us the opportunity to study the seasonal glacier reflectance-elevation relationship. We have obtained the monthly near-nadir reflectance per 100 m for twelve glaciers in western China based on 372 scenes of Landsat 8 images acquired from April 2013 to December 2015. Variations of monthly broadband reflectance, reflectance-elevation relationships and reflectance gradients are analyzed and discussed. The results show that the linear trend of the reflectance-elevation relationship (when the altitude is less than 6100 m) is very significant; elevation has greater influence than location on seasonal reflectance variations; and the level of glacier reflectance gradient may relate with its climate. This may be the first work that has used remote-sensing data to analyze seasonal glacier reflectance-elevation patterns.
关键词	SURFACE ALBEDO TEMPORAL VARIATIONS MODIS SNOW PRODUCT SUMMER TM
英文关键词	glacier monitoring; Landsat-8; glacier reflectance-elevation relationship
语种	英语
WOS研究方向	Environmental Sciences & Ecology ; Geology ; Remote Sensing ; Imaging Science & Photographic Technology
WOS类目	Environmental Sciences ; Geosciences, Multidisciplinary ; Remote Sensing ; Imaging Science & Photographic Technology
WOS记录号	WOS:000398720100003
来源期刊	REMOTE SENSING
来源机构	中国科学院青藏高原研究所
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/259004
推荐引用方式 GB/T 7714	Li, Xinwu,Wu, Wenjin,Xu, Baiqing,et al. Reflectance-Elevation Relationships and Their Seasonal Patterns over Twelve Glaciers in Western China Based on Landsat 8 Data[J]. 中国科学院青藏高原研究所,2017,9(3).
APA	Li, Xinwu,Wu, Wenjin,Xu, Baiqing,Yin, Siyang,Yang, Ruifang,&Cheng, Shu.(2017).Reflectance-Elevation Relationships and Their Seasonal Patterns over Twelve Glaciers in Western China Based on Landsat 8 Data.REMOTE SENSING,9(3).
MLA	Li, Xinwu,et al."Reflectance-Elevation Relationships and Their Seasonal Patterns over Twelve Glaciers in Western China Based on Landsat 8 Data".REMOTE SENSING 9.3(2017).