干旱区生态环境知识资源中心(Arid): Spatial and temporal characteristics of surface albedo in Badain Jaran Desert, China

Arid

DOI	10.1007/s12145-020-00565-3
	Spatial and temporal characteristics of surface albedo in Badain Jaran Desert, China
	He, Peng; Xu, Lishuai; Bi, Rutian; Yang, Fan; Zhen, Zhilei
通讯作者	Xu, LS (corresponding author), Shanxi Agr Univ, Coll Resources & Environm, Taigu 030801, Peoples R China.
来源期刊	EARTH SCIENCE INFORMATICS
ISSN	1865-0473
EISSN	1865-0481
出版年	2021
卷号	14 期号:1 页码:429-440
英文摘要	Obtaining surface albedo of high accuracy and analyzing spatial and temporal characteristics are essential for detecting change mechanism and influencing factors of surface albedo in deserts. Surface albedo from the Operational Land Imager (OLI) was assimilated into black-sky short-wave albedo (BSA) with an ensemble Kalman filter (EnKF) algorithm, to retrieve the surface albedo of high accuracy in Badain Jaran Desert. The results show that the average relative error decreases from 14.813% to 8.530% when surface albedo based on OLI is assimilated into BSA with the EnKF, and assimilated value can accurately describe the spatial and temporal distribution of surface albedo. The surface albedo has an obvious seasonal difference and presents a U-shape curve in a year, with the highest albedo in winter and lowest in summer. Owing to snow cover in some high-altitude areas, surface albedo is the highest and the spatial difference reaches maximum (variation coefficient=0.14) in winter. The Structure Similarity in surface albedo increases from the hinterland of desert (0.40-0.70) to the outer areas (0.70-0.90), as dune number decreases and distance between dunes increases. Compared with mobile and semi-mobile dunes, the minimum surface albedo of semi-fixed and fixed dunes postpones one month due to lag effect of the vegetation response to precipitation.
英文关键词	Badain Jaran Desert Surface albedo Ensemble Kalman filter Land cover types morphological parameters
类型	Article
语种	英语
收录类别	SCI-E
WOS记录号	WOS:000604845400001
WOS关键词	BROAD-BAND CONVERSIONS ; LEAF-AREA INDEX ; NORTHERN CHINA ; KALMAN FILTER ; NARROW-BAND ; LAND ; VEGETATION ; REFLECTANCE ; MODIS ; DYNAMICS
WOS类目	Computer Science, Interdisciplinary Applications ; Geosciences, Multidisciplinary
WOS研究方向	Computer Science ; Geology
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/349962
作者单位	[He, Peng; Xu, Lishuai; Bi, Rutian] Shanxi Agr Univ, Coll Resources & Environm, Taigu 030801, Peoples R China; [Yang, Fan] China Meteorol Adm, Inst Desert Meteorol, Urumqi 830002, Peoples R China; [Zhen, Zhilei] Shanxi Agr Univ, Coll Urban & Rural Construct, Taigu 030801, Peoples R China
推荐引用方式 GB/T 7714	He, Peng,Xu, Lishuai,Bi, Rutian,et al. Spatial and temporal characteristics of surface albedo in Badain Jaran Desert, China[J],2021,14(1):429-440.
APA	He, Peng,Xu, Lishuai,Bi, Rutian,Yang, Fan,&Zhen, Zhilei.(2021).Spatial and temporal characteristics of surface albedo in Badain Jaran Desert, China.EARTH SCIENCE INFORMATICS,14(1),429-440.
MLA	He, Peng,et al."Spatial and temporal characteristics of surface albedo in Badain Jaran Desert, China".EARTH SCIENCE INFORMATICS 14.1(2021):429-440.