Arid
DOI10.1016/j.atmosres.2021.105698
Isotopic evidence in modern precipitation for the westerly meridional movement in Central Asia
Shi, Yudong; Wang, Shengjie; Wang, Liwei; Zhang, Mingjun; Argiriou, Athanassios A.; Song, Yang; Lei, Shijun
通讯作者Wang, SJ (corresponding author), Northwest Normal Univ, Coll Geog & Environm Sci, Lanzhou 730070, Peoples R China.
来源期刊ATMOSPHERIC RESEARCH
ISSN0169-8095
EISSN1873-2895
出版年2021
卷号259
英文摘要The seasonal and inter-annual variations of stable isotopes in alpine precipitation in arid Central Asia is of great help to understand the modern hydrological processes and climate proxy in the westerly-dominant region. In this study, we measured the 3-year precipitation isotope values at a site located on the southern Tianshan Mountains in Central Asia. The delta O-18 values of precipitation show a statistically significant relationship with air temperature (R-2 = 0.58). The trajectory diagnostics indicate the strong influence of westerly moisture, although the local trajectories do exist. According to the 3-year isotope records in the sampling site, the delta O-18 values of precipitation correlated with the meridional circulation index, while the correlation with the zonal circulation index is generally weak. An isotope-enabled GCM is used to analyze the correlation between the delta O-18 values in summer precipitation and the meridional and zonal wind speeds on a longer time scale; there is a strong correlation between the delta O-18 values and the meridional wind speed for the upwind direction. The findings indicate the meridional movement of mid-latitude westerly can be sensitively recorded in the modern precipitation in arid Central Asia, and the inter-annual variability of precipitation isotopes in Central Asia can not only be attributed to temperature effect.
英文关键词Precipitation delta O-18 Temperature effect Moisture source Central Asia
类型Article
语种英语
收录类别SCI-E
WOS记录号WOS:000664107100001
WOS关键词ARID CENTRAL-ASIA ; TIANSHAN MOUNTAINS ; RECYCLED MOISTURE ; WATER CYCLE ; DELTA-O-18 ; MONSOON ; CHINA
WOS类目Meteorology & Atmospheric Sciences
WOS研究方向Meteorology & Atmospheric Sciences
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/368504
作者单位[Shi, Yudong; Wang, Shengjie; Wang, Liwei; Zhang, Mingjun; Song, Yang; Lei, Shijun] Northwest Normal Univ, Coll Geog & Environm Sci, Lanzhou 730070, Peoples R China; [Shi, Yudong; Wang, Shengjie; Wang, Liwei; Zhang, Mingjun; Song, Yang; Lei, Shijun] Key Lab Resource Environm & Sustainable Dev Oasis, Lanzhou 730070, Gansu, Peoples R China; [Wang, Liwei] Chinese Acad Sci, Northwest Inst Ecoenvironm & Resources, Lanzhou 730000, Gansu, Peoples R China; [Argiriou, Athanassios A.] Univ Patras, Lab Atmospher Phys, Dept Phys, GR-26500 Patras, Greece
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GB/T 7714
Shi, Yudong,Wang, Shengjie,Wang, Liwei,et al. Isotopic evidence in modern precipitation for the westerly meridional movement in Central Asia[J],2021,259.
APA Shi, Yudong.,Wang, Shengjie.,Wang, Liwei.,Zhang, Mingjun.,Argiriou, Athanassios A..,...&Lei, Shijun.(2021).Isotopic evidence in modern precipitation for the westerly meridional movement in Central Asia.ATMOSPHERIC RESEARCH,259.
MLA Shi, Yudong,et al."Isotopic evidence in modern precipitation for the westerly meridional movement in Central Asia".ATMOSPHERIC RESEARCH 259(2021).
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