CEDAR: Studies of the Topside Ionosphere Using Multiple Radar and Satellite Data Sets

研究人员将利用来自国防气象卫星计划（DMSP）的两台非相干散射雷达和两颗卫星的观测数据研究上层电离层动力学、组成和温度。结合两个来源的数据，可以识别和量化f区中性风和等离子体漂移对上层电离层组成、温度和速度的影响。这些数据将在一个模型的帮助下进行解释，该模型计算电离层成分的分布、它们的温度和沿磁力线的速度。F区的风调节了电离层的位置和密度，这反过来又影响了等离子体分压的分布，从而导致了场向离子流。由于磁通量体积的变化，离子流在上层电离层中传递热量并产生绝热加热和冷却。目的是建立f区动力学与上层电离层组成和温度之间的观测关系

ATM9813853absThe investigators will study topside ionospheric dynamics, composition, and temperature using observations from two incoherent scatter radars and two satellites from the Defense Meteorological Satellite Program (DMSP). The ability to combine date from the two sources provides the opportunity to identify and quantify the influences of F-region neutral winds, and plasma drifts on the topside ionosphere composition, temperature, and velocity. The data will be interpreted with the aid of a model that calculates the distributions of ionospheric constituents, their temperatures, and velocities along magnetic field lines. Winds in the F region modulate the location and density of the ionization layer, which in turn affects the distribution of plasma partial pressures resulting in field-aligned ion flows. The ion flows transport heat and produce adiabatic heating and cooling in the topside ionosphere due to the changing magnetic flux volume. The objective is to establish the observed relationships between F-region dynamics and topside ionospheric composition and temperature