Meteorological Features at 6523 m of Mt.Qomolangma(Everest)between 1 May and 22 July 2005

查看全文 作　　者：XIE Aihong REN Jiawen QIN Xiang JIANG [1]Youyan

机构地区：[1]Joint Key Laboratory of Cryosphere and Environment, Cold and Arid Regions Environment and Engineering Research Institute, Chinese Academy of Sciences, Lanzhou 730000, China

出　　处：《Journal of Mountain Science》索引2006年第3卷第3期,共10页

基　　金：partially funded by the National Nature Science Foundation of China(Grant No.40501015);the Chinese Academy of Science(Grant No.KZCX3-SW-354 and KZCX3-SW-344). 摘　　要：Mt. Qomolangma (Everest), the highest mountain peak in the world, has little been studied extensively from a meteorological perspective, mostly because of the remoteness of the region and the re-sultant lack of meteorological data. An automatic weather station (AWS), the highest in the world, was set up on 27 April 2005 at the Ruopula Pass (6523 m asl) on the northern slope of Mt. Qomolangma by the team of integrated scientific expedition to Mt. Qomo-langma. Here its meteorological characteristics were analyzed according to the 10-minute-averaged and 24-hour records of air temperature, relative humidity, air pressure and wind from 1 May to 22 July 2005. It is shown that at 6523 m of Mt. Qomolangma, these meteorological elements display very obvious diurnal variations, and the character of averaged diurnal variation is one-peak-and-one-vale for air tem-perature, one-vale for relative humidity, two-peak-and- two-vale for air pressure, and one-peak with day-night asymmetry for wind speed. In the 83 days, all the air temperature, relative hu-midity and air pressure increased with some dif-ferent fluctuations, while wind speed decreased gradually and wind direction turned from north to south. The variations of relative humidity had great fluctuations and obvious local differences. Then thepaper discusses the reason for the characters of diurnal and daily variations. Compared with the corresponding records in May 1960, 5-day-averaged maximums, minimums and diurnal variations of air temperature in May 2005 were apparently lower. 关键词：大气温度辐射相对湿度珠穆朗玛峰

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Meteorological Features at 6523 m of Mt.Qomolangma(Everest)between 1 May and 22 July 2005

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