Temporal and Spatial Distribution and Influencing Factors of Glazes in Hunan Province during 1983-2015
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Abstract:
The relationship between glazes from 95 surface weather stations in Hunan Province and seaice density and sea surface temperature from 1983 to 2015 is studied by using the experimental orthogonal function analysis (EOF). The results indicate that the frequency of glazes in Hunan Province was 219 per year with the feature of a higher incidence of glazes in south and the southern mountain area compared with the north, the northern mountain area and in the plain. The frequency of glazes shows a tendency of decrease with the increase of time. The glazes in Hunan Province mainly formed in the environment with the condition of high relative humidity, low wind speed and north wind, as well as the minimum temperature between 3 and 0 ℃，and the maximum temperature between 0 to 4 ℃. The number of glazes happened in Hunan Province in winter increased with the increase of the sea ice density from the east of the Severnava Zemlva islands to the north of the Bering Strait, while in the area with the remarkable negative correlation between the frequency of the glazes and the sea surface temperature of the Northwest Pacific, three existed a Cshaped distribution.
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Supported by:Beijing E-Tiller Technology Development Co., Ltd.
Supported by:Beijing E-Tiller Technology Development Co., Ltd.