干旱区生态环境知识资源中心(Arid): Soil moisture-atmosphere feedbacks have triggered the shifts from drought to pluvial conditions since 1980

Arid

DOI	10.1038/s43247-023-00922-2
	Soil moisture-atmosphere feedbacks have triggered the shifts from drought to pluvial conditions since 1980
	Qing, Yamin; Wang, Shuo; Yang, Zong-Liang; Gentine, Pierre
通讯作者	Wang, S
来源期刊	COMMUNICATIONS EARTH & ENVIRONMENT
EISSN	2662-4435
出版年	2023
卷号	4 期号:1
英文摘要	The shift from drought to pluvial conditions is due to a causal chain between soil moisture, heat flux and precipitation, according to an analysis of precipitation and soil moisture data over the period 1980-2020 Drought and pluvial transitions have attracted widespread attention. However, the dynamic evolution and underlying mechanisms of drought and pluvial transitions remain poorly understood. Here, we demonstrate that there is a significant increase in the occurrence of drought and pluvial transitions (0.24-1.03% per year) globally during 1980-2020. We use convergent cross mapping to detect causal relationships between time series variables in the climate system and find that drought and pluvial transitions can be explained by an indirect transitive causal chain. Specifically, the soil moisture-latent heat flux-precipitation causal chain is likely to trigger the rainfall following the dryness in humid regions where enhanced evaporation increases the actual atmospheric moisture favoring the pluvial occurrence. By contrast, the soil moisture-moisture convergence-precipitation causal chain enhances the post-drought rainfall in arid regions due to atmospheric circulation dynamics. Our results indicate that land-atmosphere feedbacks play an important role in triggering the drought-pluvial shift in a changing climate.
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:001024869500001
WOS关键词	UNITED-STATES ; WET SPELLS ; PRECIPITATION ; CIRCULATION ; ANOMALIES ; SUMMER ; LAND
WOS类目	Environmental Sciences ; Geosciences, Multidisciplinary ; Meteorology & Atmospheric Sciences
WOS研究方向	Environmental Sciences & Ecology ; Geology ; Meteorology & Atmospheric Sciences
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/395794
推荐引用方式 GB/T 7714	Qing, Yamin,Wang, Shuo,Yang, Zong-Liang,et al. Soil moisture-atmosphere feedbacks have triggered the shifts from drought to pluvial conditions since 1980[J],2023,4(1).
APA	Qing, Yamin,Wang, Shuo,Yang, Zong-Liang,&Gentine, Pierre.(2023).Soil moisture-atmosphere feedbacks have triggered the shifts from drought to pluvial conditions since 1980.COMMUNICATIONS EARTH & ENVIRONMENT,4(1).
MLA	Qing, Yamin,et al."Soil moisture-atmosphere feedbacks have triggered the shifts from drought to pluvial conditions since 1980".COMMUNICATIONS EARTH & ENVIRONMENT 4.1(2023).