干旱区生态环境知识资源中心(Arid): Fractional Vegetation Cover Estimation of Different Vegetation Types in the Qaidam Basin

Arid

DOI	10.3390/su11030864
	Fractional Vegetation Cover Estimation of Different Vegetation Types in the Qaidam Basin
	Zhang, Siqi; Chen, Hui; Fu, Yang; Niu, Huihui; Yang, Yi; Zhang, Boxiong
通讯作者	Chen, Hui
来源期刊	SUSTAINABILITY
ISSN	2071-1050
出版年	2019
卷号	11 期号:3
英文摘要	The estimation of fractional vegetation cover (FVC) by using remote sensing images has become feasible. Based on Landsat8-OLI images and field data obtained from an unmanned aerial vehicle, we established an empirical model (EM) and a pixel decomposition model (PDM) of FVC in the desert vegetation region, steppe vegetation region, meadow vegetation region and mixed vegetation region (the three vegetation region types) of the Qaidam Basin, and the inversion accuracies of the models were compared. The results show the following: (1) Vegetation classification inversion (VCI) provides a promising approach for FVC estimation. The accuracy of FVC by VCI was obviously better than that achieved using vegetation mixed inversion (VMI); (2) Differences were observed in the FVC estimation between VCI and VMI by the EM in areas with relatively high-density vegetation cover (FVC > 60%). The FVC in some parts of steppe region in the basin was slightly overestimated by VMI of the EM; 3) VCI estimated by the PDM resulted in lower inversion values for extremely low-density vegetation cover (FVC 10%) and higher inversion values for high-density vegetation cover (FVC > 80%). The FVC inversion was underestimated by the PDM in steppe and meadow regions with FVC > 15% in the basin. The application of VCI in different models can provide new ideas for the sustainable study of vegetation in arid regions.
英文关键词	fractional vegetation cover empirical model pixel decomposition model accuracy evaluation
类型	Article
语种	英语
国家	Peoples R China
开放获取类型	gold, Green Submitted
收录类别	SCI-E ; SSCI
WOS记录号	WOS:000458929500309
WOS关键词	SPECTRAL MIXTURE ANALYSIS ; AQUATIC VEGETATION ; REMOTE ESTIMATION ; FOREST COVER ; SOIL ; GRASSLAND ; PLATEAU ; INDEX ; ENVIRONMENTS ; MULTISCALE
WOS类目	Green & Sustainable Science & Technology ; Environmental Sciences ; Environmental Studies
WOS研究方向	Science & Technology - Other Topics ; Environmental Sciences & Ecology
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/218968
作者单位	Hebei Normal Univ, Coll Resources & Environm Sci, Hebei Key Lab Environm Change & Ecol Construct, Shijiazhuang 050024, Hebei, Peoples R China
推荐引用方式 GB/T 7714	Zhang, Siqi,Chen, Hui,Fu, Yang,et al. Fractional Vegetation Cover Estimation of Different Vegetation Types in the Qaidam Basin[J],2019,11(3).
APA	Zhang, Siqi,Chen, Hui,Fu, Yang,Niu, Huihui,Yang, Yi,&Zhang, Boxiong.(2019).Fractional Vegetation Cover Estimation of Different Vegetation Types in the Qaidam Basin.SUSTAINABILITY,11(3).
MLA	Zhang, Siqi,et al."Fractional Vegetation Cover Estimation of Different Vegetation Types in the Qaidam Basin".SUSTAINABILITY 11.3(2019).