中国大气中的水汽平均输送

陆渝蓉;高国栋

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高原气象 ›› 1983, Vol. 2 ›› Issue (4) : 34-48.
论文

中国大气中的水汽平均输送

  • 陆渝蓉;高国栋
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THE MEAN TRANSFER OF WATER-VAPOUR IN THE ATMOSPHERE OVER CHINA

  • Lu Yurong;Gao Guodong
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摘要

大气中水汽平均输送的计算公式如下:???式中g为重力加速度,q为某气压层上的平均比湿,p0和p100分别为地表和100毫巴等压面上的大气压,V为给定时间内该地区的平均风速。若设U是纬向风速,V是经向风速,则:大气中水汽的纬向输送为???大气中水汽经向输送为???本文利用了全国10O余个探空站(1961-1970)10年的平均资料,计算了如下一些量:1.我国上空850毫巴、700毫巴、500毫巴高度上每月和全年的水汽输送;2.每月和全年水汽的纬向输送;3.每月和全年水汽的经向输送;4.整层大气中每月和全年的水汽总输送量和输送方向。

Abstract

The formula to calculate the water vapour mean transfer in atmosphere can be written as:??? in which g is the acceleration of gravity, q is the mean specific humidity, P0 and P100 are the atmospheric pressure on the earth's surface and the isobaric surface of 100mb respectively, V is the mean velocity of wind in the given place at a given time. If u is the wind velocity in latitudinal direction, V is the wind velocity in longitudinal direction, the latitudinal transfer of vapour in atmosphere is ??? and the longitudinal transfer of vapour in atmosphere is ??? In this paper, utilizing the mean data of more than 100 stations of 10 years in China(1961-1970), we calculated the following quantities:1.The water vapour transfer of the every month and the whole year at the altitudes of 850 mb, 700 mb, 500 mb over China. 2. The latitudinal transfer of water vapour of every month and the whole year. 3. The longitudinal transfer of water vapour of every month and thewhole year. 4. The total value and the direction of transfer of water vapour in the whole layer of every month and the whole year.

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陆渝蓉;高国栋. 中国大气中的水汽平均输送. 高原气象. 1983, 2(4): 34-48
陆渝蓉;高国栋. THE MEAN TRANSFER OF WATER-VAPOUR IN THE ATMOSPHERE OVER CHINA. Plateau Meteorology. 1983, 2(4): 34-48

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