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Elevation-dependent warming and possible-driving mechanisms over global highlands

文献类型：期刊论文

作者Abbas, Haider3,4; Daramola, Mojolaoluwa Toluwalase4; Xu, Ming2,4
刊名INTERNATIONAL JOURNAL OF CLIMATOLOGY
出版日期2024-09-07
卷号N/A
关键词CRU elevation-dependent warming ERA5 GHCN global highlands mechanisms trends
DOI10.1002/joc.8572
产权排序1
文献子类Article ; Early Access
英文摘要Elevation-dependent warming (EDW) has been a topic of intense debate due to limited observed data in global highland areas. This study aims to fill this gap by utilizing CRU and ERA5 datasets from 1981 to 2021 to explore the trends of climate change and its elevation dependency. The anomalies of temperature indicators (Tmean, Tmax, and Tmin) in both ERA5 and CRU showed significant warming trends over global highlands. Moreover, the response of temperature indicators to elevation across global highlands is not spatially uniform. The linear regression model based on the elevation showed significant warming signals for the temperature indicators at various elevations over the global highlands. On a regional scale, Tmean and Tmax predominantly showed linear EDW over EU highlands, while Tmean in Asian highlands exhibited EDW signals at 4-5 km. Tmin showed EDW at 2.5-5.5 km with ERA5 and 3-5 km with CRU. In the Andes, EDW was prominent at 2.5-4 km. Overall, EDW signals are evident in all studied regions but vary across them. While assessing the driving factors, the results of this study indicate that total column water vapour (TCWV), snow depth (SD), snow albedo, and normalized difference vegetation index (NDVI) correlated positively with the temperature indicators. These findings emphasize the significance of elevation-specific interactions between environmental factors and temperature in forecasting temperature changes in mountainous areas. Additionally, temperature exhibited coherence with teleconnection indices from the Atlantic and Pacific Oceans. Asian and European (EU) highlands exhibited interzonal coherence with the Pacific and Atlantic Oceans, while North American (NA) highlands showed coherence, followed by South American (SA) highlands. These findings provide a comprehensive understanding of EDW and its implications for highland regions globally, including the potential for more severe depletion of snow/ice resources in a warmer future. Explore global highland climates in this study, utilizing ERA5 and CRU datasets validated against GHCN data. The spatial trends and correlation of Tmean, Tmax, and Tmin with elevation conform elevation-dependent warming (EDW) and underlying mechanisms. Examine the climate insights with precise data for EDW and its potential mechanisms in global highlands. image
WOS关键词TIBETAN PLATEAU ; CLIMATE-CHANGE ; SURFACE TEMPERATURES ; ARCTIC VEGETATION ; SNOW COVER ; FEEDBACKS ; MOUNTAINS ; VARIABILITY ; PHENOLOGY ; FORCINGS
WOS研究方向Meteorology & Atmospheric Sciences
WOS记录号WOS:001306615500001
源URL[http://ir.igsnrr.ac.cn/handle/311030/207898]  
专题生态系统网络观测与模拟院重点实验室_外文论文
通讯作者Xu, Ming
作者单位1.Beijing Normal Univ Zhuhai, Adv Inst Nat Sci, BNU HKUST Lab Green Innovat, Zhuhai, Peoples R China
2.Jiangmen Lab Carbon Sci & Technol, Guangdong Hong Kong Joint Lab Carbon Neutral, Jiangmen, Guangdong, Peoples R China
3.Univ Chinese Acad Sci UCAS, Beijing, Peoples R China
4.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Synth Res Ctr Chinese Ecosyst Res Network, Key Lab Ecosyst Network Observat & Modelling, Beijing, Peoples R China
推荐引用方式
GB/T 7714		 Abbas, Haider,Daramola, Mojolaoluwa Toluwalase,Xu, Ming. Elevation-dependent warming and possible-driving mechanisms over global highlands[J]. INTERNATIONAL JOURNAL OF CLIMATOLOGY,2024,N/A.
APA Abbas, Haider,Daramola, Mojolaoluwa Toluwalase,&Xu, Ming.(2024).Elevation-dependent warming and possible-driving mechanisms over global highlands.INTERNATIONAL JOURNAL OF CLIMATOLOGY,N/A.
MLA Abbas, Haider,et al."Elevation-dependent warming and possible-driving mechanisms over global highlands".INTERNATIONAL JOURNAL OF CLIMATOLOGY N/A(2024).

入库方式： OAI收割

来源：地理科学与资源研究所

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