気象集誌. 第2輯
Online ISSN : 2186-9057
Print ISSN : 0026-1165
ISSN-L : 0026-1165
高氣壓形成の理論
櫻庭 信一
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ジャーナル フリー

1938 年 16 巻 9 号 p. 381-382

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H. Wexler recently discussed the formation of polar anticyclones and concluded that the isallobaric velocity component constitutes the primary important factor for the development of the anticyclone. In general the isallobaric component becomes smaller with the retardation of time rate of pressure fluctuation and the frictional inflow across the isobar becomes larger. In Wexler's paper the cooling of the atmosphere is of the order-1°C/day, therefore it is necessary to examine the air flow through bo_??_h agencies, isallobaric and frictional. It is found out here that in the polar continental air mass the frictional inflow surpasses the isallobaric flow. The main part of accumulation of air, however, comes from the superior atmosphere, therefore the present result has no essential contribution to Wexler's result. Next the dissipation of energy due to eddy friction has been considered. It is supposed that the dissipation becomes rapidly larger with increasing pressure gradient and becomes to prevent the development of anticyclonic energy.

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© 社団法人 日本気象学会
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