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equivalent potential temperature : ウィキペディア英語版 | equivalent potential temperature Equivalent potential temperature, commonly referred to as theta-e , is a quantity related to the stability of a column of air in the atmosphere. is the temperature a parcel of air would reach if all the water vapor in the parcel were to condense, releasing its latent heat, and the parcel was brought adiabatically to a standard reference pressure, usually 1000 hPa (1000 mbar) which is roughly equal to atmospheric pressure at sea level. In stable conditions, increases with altitude. If decreases with height, convection can occur. The comparison of the equivalent potential temperature of parcels of air at different pressures thus provides a measure of the instability of the column of air.〔(www.theweatherprediction.com )〕 ==Explanation==
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「equivalent potential temperature」の詳細全文を読む
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