Electron Temperatures in the E-Region of the Ionosphere

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概要

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• Various heating and cooling mechanisms which are operative in the lower E-region are discussed and their relative importance in different altitude range is shown. These heating and cooling rates are then used to derive the electron temperature T_e. The calculated values of electron temperature are found to be higher than neutral temperature through out the altitude range 100∿150 km, with the difference increasing with increase in altitude. However, compared to observed values of T_e, the calculated values are still smaller below about 130 km. Above this altitude, the calculated values become larger. Estimation of T_e for different, suggested values of heating efficiency due to dissociative recombination, show that T_e profile obtained even by assuming a constant value of 1.3 eV is in fairly good agreement with those derived based on varibale values of this parameter.

• 宇宙航空研究開発機構の論文

著者

• Oyama K‐i

  Inst. Space And Astronautical Sci. Kanagawa Jpn

• ZALPURI K.S.

  On leave from Radio Science Division, National Physical Laboratory

• Zalpuri K.s.

  On Leave From Radio Science Division National Physical Laboratory

関連論文

• Theoretical Estimation of the Vibrational Temperatures of N_2 Molecules in the Ionosphere and in the Laboratory Simulated plasma
• Electron Temperatures in the E-Region of the Ionosphere

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