PADIE diffusion coefficients for plasmaspheric hiss
收藏DataCite Commons2022-05-06 更新2024-07-13 收录
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https://researchdata.reading.ac.uk/id/eprint/212
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资源简介:
This dataset contains a large number of quasilinear diffusion coefficients that describe the efficacy of wave-particle interactions in the collisionless plasma of Earth's inner magnetosphere. The individual diffusion coefficients are calculated using the PADIE software at the British Antarctic Survey in Cambridge (see Glauert, S. A., and Horne, R. B. (2005), Calculation of pitch angle and energy diffusion coefficients with the PADIE code, J. Geophys. Res., 110, A04206, doi:10.1029/2004JA010851.). Input information (wave intensity and plasma to gyrofrequency ratio) are obtained from co-located and simultaneous observations from Van Allen Probe A as it travelled through a region of space between 0900 and 1000 MLT, and from -5 to +5 degrees magnetic longitude during the period Septemer 2012 - June 2016. There are three locations in L*: L*=2.5+/-0.05; L* = 3.0+/-0.05 and L*=3.5+/-0.05. Diffusion coefficients are calculated separately for each set of co-located measurements, for the mean wave intensity and varying plasma to gyrofrequency ratio, and for the mean plasma to gyrofrequency ratio and varying wave intensity. The distribution of coefficients gives some indication of the variability of the wave-particle interaction due to plasmaspheric hiss and illustrates improvements that can be made to models of wave-particle interactions in Radiation Belt diffusion models.
提供机构:
University of Reading
创建时间:
2019-05-24



