Volume 34 Issue 6
Nov.  2014
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Article Navigation >  Chinese Journal of Space Science  > 2014  >  34(6): 815-821
Fan Xin, Fang Hanxian, Niu Jun, Weng Libin, Yang Xu. Retrieval of initial disturbance of Spread-F based on adjoint theory and numerical simulation[J]. Chinese Journal of Space Science, 2014, 34(6): 815-821. doi: 10.11728/cjss2014.06.815
Citation: Fan Xin, Fang Hanxian, Niu Jun, Weng Libin, Yang Xu. Retrieval of initial disturbance of Spread-F based on adjoint theory and numerical simulation[J]. Chinese Journal of Space Science, 2014, 34(6): 815-821. doi: 10.11728/cjss2014.06.815
shu

Retrieval of initial disturbance of Spread-F based on adjoint theory and numerical simulation

doi: 10.11728/cjss2014.06.815 cstr: 32142.14.cjss2014.06.815
  • 1.

    Institution of Meteorology and Oceanography, PLA University of Science and Technology, Nanjing 211101

  • 2.

    State Key Laboratory of Space Weather, Beijing 100190

  • 3.

    Unit 63788 of PLA, Weinan 714000

  • Received Date: 2013-12-16
  • Rev Recd Date: 2014-05-05
  • Publish Date: 2014-11-15
    Abstract
  • Retrieval of initial disturbance of Spread-F is very important in the study on Rayleigh-Taylor instability (R-T instability). In this paper, adjoint theory is proposed and used in the retrieval of initial disturbance of Spread-F for the first time. The adjoint model of ionospheric instability is presented and numerical simulation is also carried out to test the algorithm. A physical model for the development of the mid-latitude Spread-F is developed, including the equations for density, momentum and continuity. The simulation results show that ionospheric instability model described the development of Spread-F well. By using different iterative initial value and simulated observation data at different time, the retrieval results fit well with the initial values, and it is feasible to obtain the initial disturbance using adjoint model.

     

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