GSTDTAP  > 地球科学
DOI10.1016/j.atmosres.2021.105827
Continuous monitoring of the isotopic composition of surface water vapor at Lhasa, southern Tibetan Plateau
Di Dai, Jing Gao, Hans Christian Steen-Larsen, Tandong Yao, ... Shenghai Li
2021-08-26
发表期刊Atmospheric Research
出版年2021
英文摘要

The stable isotopes (δ18O and δD) of water vapor are used to characterize continuous variations in large-scale and boundary-layer atmospheric processes. We presented continuous measurements of δ18O in surface water vapor at Lhasa, southern Tibetan Plateau, from October 2018 to September 2019 to investigate how large-scale and local atmospheric processes influence variations in water vapor δ18O at different time scales. The water vapor δ18O measurements reveal different seasonal characteristics and diurnal patterns. At the seasonal scale, δ18O exhibits a W-shape with two maxima in May–June and October as well as two minima in July–August and February. The diurnal variations in the water vapor δ18O and meteorological data throughout the year present distinct occurrences of maxima and minima during different periods. We found that the significant seasonal variability is mainly associated with the transition between the Indian summer monsoon and the westerlies, which transport distinct moisture to the southern Tibetan Plateau. The local temperature, specific humidity and boundary layer height impact the diurnal variations in water vapor δ18O to some extent with remarkable seasonal differences.

领域地球科学
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文献类型期刊论文
条目标识符http://119.78.100.173/C666/handle/2XK7JSWQ/336540
专题地球科学
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Di Dai, Jing Gao, Hans Christian Steen-Larsen, Tandong Yao, ... Shenghai Li. Continuous monitoring of the isotopic composition of surface water vapor at Lhasa, southern Tibetan Plateau[J]. Atmospheric Research,2021.
APA Di Dai, Jing Gao, Hans Christian Steen-Larsen, Tandong Yao, ... Shenghai Li.(2021).Continuous monitoring of the isotopic composition of surface water vapor at Lhasa, southern Tibetan Plateau.Atmospheric Research.
MLA Di Dai, Jing Gao, Hans Christian Steen-Larsen, Tandong Yao, ... Shenghai Li."Continuous monitoring of the isotopic composition of surface water vapor at Lhasa, southern Tibetan Plateau".Atmospheric Research (2021).
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