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Reflectance-Elevation Relationships and Their Seasonal Patterns over Twelve Glaciers in Western China Based on Landsat 8 Data
Li, XW (Li, Xinwu)1; Wu, WJ (Wu, Wenjin)1; Xu, BQ (Xu, Baiqing)2; Yin, SY (Yin, Siyang)1; Yang, RF (Yang, Ruifang)3; Cheng, S (Cheng, Shu)4; Wu, WJ
Source PublicationREMOTE SENSING
2017
Volume9Issue:3Pages:187
DOI10.3390/rs9030187
AbstractAlbedo/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.
Subject Area自然地理学
WOS IDWOS:000398720100003
Language英语
Indexed BySCI
KeywordANNUAL MASS-BALANCE SURFACE ALBEDO TEMPORAL VARIATIONS MODIS DATA SNOW PRODUCT SUMMER ETM TM
WOS Research AreaRemote Sensing
WOS SubjectRemote Sensing ; Remote Sensing
Cooperation Status国内
Citation statistics
Cited Times:43[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.itpcas.ac.cn/handle/131C11/8319
Collection图书馆
Corresponding AuthorWu, WJ
Affiliation1.Chinese Acad Sci, Inst Remote Sensing & Digital Earth, Beijing 100094, Peoples R China.
2.Chinese Acad Sci, Inst Tibetan Plateau Res, Beijing 100101, Peoples R China.
3.Beijing Jiaotong Univ, Sch Civil Engn, Beijing 100044, Peoples R China.
4.Cent S Univ, Sch Geosci & Infophys, Changsha 410083, Hunan, Peoples R China.
Recommended Citation
GB/T 7714
Li, XW ,Wu, WJ ,Xu, BQ ,et al. Reflectance-Elevation Relationships and Their Seasonal Patterns over Twelve Glaciers in Western China Based on Landsat 8 Data[J]. REMOTE SENSING,2017,9(3):187.
APA Li, XW .,Wu, WJ .,Xu, BQ .,Yin, SY .,Yang, RF .,...&Wu, WJ.(2017).Reflectance-Elevation Relationships and Their Seasonal Patterns over Twelve Glaciers in Western China Based on Landsat 8 Data.REMOTE SENSING,9(3),187.
MLA Li, XW ,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):187.
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