中国崑崙山脈策勒河上流における気象観測結果(1991年9月〜1994年8月)

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Meteorological data from the upper stream of the Qira River in the Kunlun Mountains, Xinjiang, west China, during three years from September 1991 to August 1994 was obtained by an automatic data collection platform. The observation site is located at latitude 36°16′N and longitude 80°25′E , and at approximately 2800m above sea level. The data set includes the following items : air temperature, soil temperature, wind direction, wind speed, solar radiation, albedo, precipitation and snow weight. Details of the results are as follows. The annual mean air temperatures for the three periods (each one year from September to the next August) were 2.1℃, 1.5℃ and 0.7℃. Maximum and minimum air temperatures taken from all the periods were 23.9℃ and -26.7℃, respectively. The annual mean soil temperatures of each period were 5.4℃, 5.9℃ and 7.0℃. The precipitation amount for each period was estimated to be 142.5mm, 211.5mm and 71.5mm. Precipitation during the winters (from November to the next April) were estimated from the results of snow weight measurements. Ratios of the precipitation during the winter to the annual precipitation of each period were 11, 25 and 13 percent. Monthly mean wind speeds were almost constant at a range of 2.0 m/s to 2.7 m/s. The most frequent wind directions were north-east in the daytime and south-west in the nighttime. The amount of solar radiation at the winter solstice decreased obviously because the sun located in the southern sky was shaded by a mountain ridge.
独立行政法人防災科学技術研究所の論文
1995-03-31

中国崑崙山脈策勒河上流における気象観測結果(1991年9月〜1994年8月)

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