Precipitation stable isotope variability and subcloud evaporation processes in a semi-arid region
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- 作者：Jagoda Crawford ; Suzanne E. Hollins ; Karina T. Meredith and Catherine E. Hughes
- 刊名：Hydrological Processes
- 出版年：2017
- 出版时间：1 January 2017
- 年：2017
- 卷：31
- 期：1
- 页码：20-34
- 全文大小：948K
- ISSN：1099-1085
文摘
The stable isotopic (2H/1H and 18O/16O) composition of precipitation has been used for a variety of hydrological and paleoclimate studies, a starting point for which is the behaviour of stable isotopes in modern precipitation. To this end, daily precipitation samples were collected over a 7-year period (2008–2014) at a semi-arid site located at the Macquarie Marshes, New South Wales (Australia). The samples were analysed for stable isotope composition, and factors affecting the isotopic variability were investigated. The best correlation between δ18O of precipitation was with local surface relative humidity.