Volume 37 Issue 1
Jan.  2017
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GAO Ze, FANG Hanxian, WANG Sicheng. Numerical Simulation of Ionospheric Disturbance Effects by Chemical H2O Release[J]. Journal of Space Science, 2017, 37(1): 39-49. doi: 10.11728/cjss2017.01.039
Citation: GAO Ze, FANG Hanxian, WANG Sicheng. Numerical Simulation of Ionospheric Disturbance Effects by Chemical H2O Release[J]. Journal of Space Science, 2017, 37(1): 39-49. doi: 10.11728/cjss2017.01.039

Numerical Simulation of Ionospheric Disturbance Effects by Chemical H2O Release

doi: 10.11728/cjss2017.01.039
  • Received Date: 2016-03-01
  • Rev Recd Date: 2016-10-24
  • Publish Date: 2017-01-15
  • In order to study the perturbation effect of chemical substances in the ionosphere and its evolution on the later stage of development, based on a dynamical model including the neutral gas diffusion and chemical reaction, and a physical model developed to present the development of spread-F, through the release of H2O in the ionosphere, the distribution of electron, H2O, O+ and H2O+ are discussed and ionospheric disturbances by chemical release in point source, multiple source and line source are analyzed. Different release altitudes, different amounts of released substance and different release time are also compared. Besides, the developmental differences by different amounts of H2O are also simulated. The results show that:H2O can substantially decline electron density and facilitate the formation of ionospheric hole; the density distribution of O+ and H2O+ are elliptical; H2O released in different methods, such as, point source, multiple source and moving target line source, can cause different ionospheric disturbance effects, which confirm the possibility of artificially affecting a certain shape and area of the ionosphere; the disturbance amplitude of election density in lower altitude is larger than that in higher altitude and in daytime is larger than that in nighttime and the more H2O is released, the larger disturbance is caused; Chemical release in nighttime can trigger spread-F in ionosphere and the more is released, the better development is caused.

     

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