干旱区生态环境知识资源中心(Arid): Increased snow cover enhances gross primary productivity in cold and dry regions of the Tibetan Plateau

Arid

DOI	10.1002/ecs2.4656
	Increased snow cover enhances gross primary productivity in cold and dry regions of the Tibetan Plateau
	Liu, Hao; Xiao, Pengfeng; Zhang, Xueliang; Wu, Youlv
通讯作者	Xiao, PF
来源期刊	ECOSPHERE
ISSN	2150-8925
出版年	2023
卷号	14 期号:9
英文摘要	Snow cover is an important control element in the Tibetan Plateau (TP) ecosystem; however, the impact of snow cover changes on gross primary productivity (GPP) is largely unknown, particularly under complex geographical conditions. In this study, we investigated the impacts of snow cover changes on different seasonal GPP and their mechanisms in different geographical zones using multisource remote sensing data from 1982 to 2018. Snow cover significantly affected GPP by nearly 15% of the TP region, and snow cover days (SCDs) were the dominant snow cover indicators affecting GPP variations compared with snow water equivalent (SWE) and snow cover end date (SCED). In general, an increase in snow cover leads to a significant increase in GPP in regions with low precipitation and temperature, but limits the accumulation of GPP in humid and warm regions. Furthermore, from the humid to the arid zone, the moisture effect of snow cover (by altering soil moisture) plays an increasingly important role in regulating GPP variations with increasing drought levels. This study elucidates the importance of snow cover in regulating different seasonal GPP variations and significantly improves our insight into the response of vegetation carbon uptake to snow cover changes in the TP.
英文关键词	different geographical zones gross primary productivity remote sensing technology snow cover change snow ecological processes Tibetan Plateau
类型	Article
语种	英语
开放获取类型	gold
收录类别	SCI-E
WOS记录号	WOS:001067420300001
WOS关键词	ALPINE VEGETATION ; WINTER SNOW ; CLIMATE-CHANGE ; INTERANNUAL VARIABILITY ; COMMUNITY COMPOSITION ; PERMAFROST REGIONS ; PHENOLOGY ; IMPACTS ; DYNAMICS ; GROWTH
WOS类目	Ecology
WOS研究方向	Environmental Sciences & Ecology
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/396034
推荐引用方式 GB/T 7714	Liu, Hao,Xiao, Pengfeng,Zhang, Xueliang,et al. Increased snow cover enhances gross primary productivity in cold and dry regions of the Tibetan Plateau[J],2023,14(9).
APA	Liu, Hao,Xiao, Pengfeng,Zhang, Xueliang,&Wu, Youlv.(2023).Increased snow cover enhances gross primary productivity in cold and dry regions of the Tibetan Plateau.ECOSPHERE,14(9).
MLA	Liu, Hao,et al."Increased snow cover enhances gross primary productivity in cold and dry regions of the Tibetan Plateau".ECOSPHERE 14.9(2023).