【摘 要】
：
A negative correlation between δ18O in monsoon precipitation and f, the ratio of precipitable water in monsoon region to that in water source area, is hypothes
【机 构】
：
Key Laboratory of Cryosphere and Environment,Institute of Tibetan Plateau Research
【基金项目】
：
国家自然科学基金;国家自然科学基金;中国科学院\"百人计划\";中国科学院资助项目
论文部分内容阅读
A negative correlation between δ18O in monsoon precipitation and f, the ratio of precipitable water in monsoon region to that in water source area, is hypothesized.Using the Rayleigh model, a new method for identifying origin of summer monsoon rainfall is developed based on the hypothesis. In order to validate the method, the isotopic data at New Delhi, a typical station in the southwest monsoon region, and Hong Kong, a typical station in the southeast monsoon region, were collected and analyzed for case studies.The case studies indicate that the water source areas of the monsoon rainfall at the two stations identified by the method are accordant with the general atmosphere circulation patterns. The method developed in this paper is significantly important for tracing the origin of summer monsoon precipitation.
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