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 Wysłany: Pią 11:01, 18 Lut 2011 Temat postu: ghd glätteisen Yunnan early summer precipitation a |
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Yunnan early summer precipitation and the relationship between atmospheric circulation
The results indicate that the amount of Yunnan in the early summer precipitation characteristics of atmospheric circulation has obvious performance. The main results are as follows: (1) the amount of precipitation in early summer and early Yunnan 500hPa in the high-latitude westerly circulation configuration. When the 500hPa westerly belt in the Eurasian high latitudes in winter for the second wave before, at 55. E and 140. There are two slots, respectively, near E, and the East Asian trough is weak, Yunnan Province, early summer,[link widoczny dla zalogowanych], often drier than usual. Eurasian high-latitude westerlies were before the winter as a cross-type, only in East Asian trough,[link widoczny dla zalogowanych], and the deep groove, Yunnan Province,[link widoczny dla zalogowanych], early summer, often rainy. (2) the amount of precipitation in Yunnan in early summer and early sub-tropical distribution of 200hPa zonal wind related. Before the winter 200ta ~ a strong subtropical westerly. Equatorial wind is also strong, the equatorial wind from the south to north into early retirement, the dividing line between what the wind turned north from the south earlier, Yunnan easy to above normal rainfall in early summer. On the contrary,[link widoczny dla zalogowanych], easy to below normal rainfall in early summer. What wind from the south into the zero line north of the turning point in the morning and evening, reflecting the seasonal low-latitude atmospheric planetary wind system as early as late conversion, and early summer rainfall in Yunnan Province has a good correspondence between the amount of analysis showed that the amount of precipitation in Yunnan Province and the early summer air circulation a considerable degree of contact, which is the long-term forecast of Yunnan in early summer precipitation has some reference value. Because the use is limited to 1973 to 1987,[link widoczny dla zalogowanych], so the results have certain limitations.
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