摘要
水分从蒸发进入大气到变成雨雪再降落大约在空中滞留(存活)9天,而9天只是水汽在大气中的平均寿命。我们应当知道在大气里现存的总水汽量中已经在大气里滞留(存活)1天、2天或者n天的水汽分别占有的百分比是多少。描述这个问题需要引入大气中的水汽滞留函数概念。本文阐明了水汽滞留函数的物理含义并且指出它应当是一个负指数方程。
It is 9 days long that the vaporized water persisted in atmosphere before it changes into rain or snow then get out of it, but the ＂9 days＂ are a mean duration only. We need to know how many percents of water has stayed in atmosphere for 1 day, 2 days, ..., n days. To describe this question, we introduced a concept, The persistence function of vapor. In this paper the significance of the persistence function of the vapor in atmosphere was discussed, we also point out that the persistence function of vapor should be a negative exponent function.
出处
《高原气象》
CSCD
北大核心
2006年第6期1052-1054,共3页
Plateau Meteorology
基金
科技部科技公益研究专项项目(2004DIB3J118)资助
关键词
大气中的水分循环
大气中的水汽滞留函数
Hydrological cycle in atmosphere
The persistence function of the vapor in atmosphere
