中文版 | English
Title

Interplay of greening and ENSO on biosphere–atmosphere processes in Australia

Author
Corresponding AuthorZeng,Zhenzhong
Publication Years
2022-12-01
DOI
Source Title
EISSN
2196-4092
Volume9Issue:1
Abstract
Terrestrial ecosystems are fully coupled with the climate. The planet has been greening owing to the increased vegetation growth in response to the changing atmosphere, which in turn has feedback on the climate. Greening has slowed down the rise in global land-surface air temperature mainly through a coincident increase of evapotranspiration and precipitation in wet regions. In dry regions, greening intensifies the decrease in soil moisture induced by greening-enhanced transpiration. Uncertain, however, is how the climate effects of greening in semi-arid lands might differ for variable wet and dry conditions. Here, we focus on the biosphere–atmosphere interactions in Australia by modeling the perturbation of vegetation changes under various states of sea surface temperature (SST), including the climatology mean, El Niño, and La Niña conditions. For the dry conditions of El Niño, greening exacerbates water stress and largely depletes the soil moisture, while for the wet conditions of La Niña, greening-enhanced evapotranspiration and precipitation resupply the soil moisture. For the normal conditions using the climatology mean SST, a small decrease in soil moisture occurs but with large spatial contrast because of heterogeneous changes of evapotranspiration and precipitation induced by greening. We emphasize that the alternating dry and wet conditions modulated by the large-scale climate variability are vital to understanding the response of climate to greening. Furthermore, vegetation-based warming mitigation policies need to be cautious when inferring distinct climate effects associated with greening.
Keywords
URL[Source Record]
Language
English
SUSTech Authorship
First ; Corresponding
Funding Project
National Natural Science Foundation of China[42001321];National Natural Science Foundation of China[42071022];
Scopus EID
2-s2.0-85141847125
Data Source
Scopus
Citation statistics
Cited Times [WOS]:0
Document TypeJournal Article
Identifierhttp://kc.sustech.edu.cn/handle/2SGJ60CL/411762
DepartmentSchool of Environmental Science and Engineering
Affiliation
1.School of Environmental Science and Engineering,Southern University of Science and Technology,Shenzhen,China
2.Faculty of Fisheries Technology and Aquatic Resources,Maejo University,Chiang Mai,Thailand
3.Laboratoire de Météorologie Dynamique,Centre National de la Recherche Scientifique,Sorbonne Université,Ecole Normale Supérieure,Ecole Polytechnique,Paris,France
4.Department of Geoscience and Natural Resource Management,University of Copenhagen,Copenhagen,Denmark
First Author AffilicationSchool of Environmental Science and Engineering
Corresponding Author AffilicationSchool of Environmental Science and Engineering
First Author's First AffilicationSchool of Environmental Science and Engineering
Recommended Citation
GB/T 7714
Liang,Shijing,Ziegler,Alan D.,Li,Laurent Z.X.,等. Interplay of greening and ENSO on biosphere–atmosphere processes in Australia[J]. Geoscience Letters,2022,9(1).
APA
Liang,Shijing,Ziegler,Alan D.,Li,Laurent Z.X.,Wu,Jie,Wang,Dashan,&Zeng,Zhenzhong.(2022).Interplay of greening and ENSO on biosphere–atmosphere processes in Australia.Geoscience Letters,9(1).
MLA
Liang,Shijing,et al."Interplay of greening and ENSO on biosphere–atmosphere processes in Australia".Geoscience Letters 9.1(2022).
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