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[Characteristics of Stable Isotopes and Moisture Sources of Two Typical Precipitation Events in Lanzhou City].

Ting-Ting Han, Mingjun Zhang, Shengjie Wang, Qinqin Du, Zhuanzhuan Ma, Rong Guo, Yanfeng Cao

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Abstract

O exceeded 9‰. On June 26, the moisture transport path was short at the height of 500 m and on June 27 local evaporation was the main pathway. On July 28, with a relatively stable air mass, the moisture source of the entire precipitation event did not change significantly, neither did the isotope value. Therefore, for a single precipitation event on a short time scale, the difference in moisture sources is one of the reasons for isotope variations.

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What this paper is about

O exceeded 9‰. On June 26, the moisture transport path was short at the height of 500 m and on June 27 local evaporation was the main pathway. On July 28, with a relatively stable air mass, the moisture source of the entire precipitation event did not change significantly, neither did the isotope value. Therefore, for a single precipitation event on a short time scale, the difference in moisture sources is one of the reasons for isotope variations.

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Available abstract

O exceeded 9‰. On June 26, the moisture transport path was short at the height of 500 m and on June 27 local evaporation was the main pathway. On July 28, with a relatively stable air mass, the moisture source of the entire precipitation event did not change significantly, neither did the isotope value. Therefore, for a single precipitation event on a short time scale, the difference in moisture sources is one of the reasons for isotope variations.

Key concepts: Meteoric water, Precipitation, δ18O, Moisture, Environmental science, Isotopes of oxygen, Stable isotope ratio, HYSPLIT

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[Characteristics of Stable Isotopes and Moisture Sources of Two Typical Precipitation Events in Lanzhou City]. — Research Paper | ScholarLens