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首页> 外文期刊>Journal of Physics, D. Applied Physics: A Europhysics Journal >Plasma diagnostics with Langmuir probes in the equatorial ionosphere: II. Evaluation of DEOS flight F06
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Plasma diagnostics with Langmuir probes in the equatorial ionosphere: II. Evaluation of DEOS flight F06

机译：在赤道电离层中使用Langmuir探针进行等离子体诊断：II.。 DEOS航班F06的评估

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The Right data of an ionospheric sounding rocket (DEOS campaign flight F06) are evaluated with respect to electron density and temperature profiles. The probe characteristic is analysed in the frame of a model that takes the influence of the geomagnetic field and of a contamination layer into account, as described in part I (Piel et al 2001 J. Phys. D: Appl Phys.). The electron temperature of the night-time ionosphere is found to be higher (1300 K) than that predicted by the IRI-95 model (Bilitza D 1999 J. Atmos. Terr Phys. 61 167), but in general agreement with the model of Watanabe et al (Watanabe et al 1995 J. Geophys. Res. 100 14 581). It is also found that the electron temperature in depleted plasma regions (plasma bubbles) is lower than in the unperturbed plasma. This is a hint at the action of the Rayleigh-Taylor mechanism that convects cold low-density plasma from the bottomside of the F-layer to higher altitudes inside the plasma bubbles. An absolute comparison of the electron density profiles from the analysis of the Langmuir probe and by an independent impedance probe is performed. Excellent agreement of the profile shape and of absolute density values can be achieved over the entire altitude regime.. It is demonstrated which steps in the evaluation procedure of the probe characteristic may lead to systematic errors in electron density. [References: 25]
机译：关于电子密度和温度分布，评估了电离层探测火箭（DEOS运动航班F06）的Right数据。如第一部分所述（Piel等，2001 J. Phys。D：Appl Phys。），在模型框架中分析了探针的特性，该模型考虑了地磁场和污染层的影响。发现夜间电离层的电子温度（1300 K）比IRI-95模型（Bilitza D 1999 J. Atmos。Terr Phys。61167）预测的温度高，但与Watanabe等人（Watanabe等人1995 J. Geophys。Res。100 14 581）。还发现，在耗尽的等离子体区域（等离子体气泡）中的电子温度低于未受干扰的等离子体中的电子温度。这暗示了瑞利-泰勒机制的作用，该机制使冷的低密度等离子体从F层的底部对流到等离子体气泡内部的更高高度。根据Langmuir探针的分析结果和独立阻抗探针进行的电子密度分布图的绝对比较。可以在整个海拔范围内实现轮廓形状和绝对密度值的极佳一致性。证明了探针特性评估过程中的哪些步骤可能导致电子密度的系统误差。 [参考：25]

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