Medium-scale traveling ionospheric disturbances by three-dimensional ionospheric GPS tomography

In this study, we develop a three-dimensional ionospheric tomography with the ground-based global position system (GPS) total electron content observations. Because of the geometric limitation of GPS observation path, it is difficult to solve the ill-posed inverse problem for the ionospheric electron density. Different from methods given by pervious studies, we consider an algorithm combining the least-square method with a constraint condition, in which the gradient of electron density tends to be smooth in the horizontal direction and steep in the vicinity of the ionospheric F2 peak. This algorithm is designed to be independent of any ionospheric or plasmaspheric electron density models as the initial condition. An observation system simulation experiment method is applied to evaluate the performance of the GPS ionospheric tomography in detecting ionospheric electron density perturbation at the scale size of around 200 km in wavelength, such as the medium-scale traveling ionospheric disturbances.

[1]  Nicholas Ssessanga,et al.  Vertical structure of medium‐scale traveling ionospheric disturbances , 2015 .

[2]  Jeffrey Robert Austen,et al.  Ionospheric imaging using computerized tomography , 1988 .

[3]  Chin-Hung Chen.  Modeling and Observational Studies of Plasma Density Anomalies and Earthquake-triggered Disturbances in the Mid-latitude Ionosphere , 2012 .

[4]  S. Franke,et al.  Application of computerized tomography techniques to ionospheric research , 1986 .

[5]  J. Makela,et al.  Tracking F-region plasma depletion bands using GPS-TEC, incoherent scatter radar, and all-sky imaging at Arecibo , 2008 .

[6]  J. Klobuchar,et al.  Application of computerized tomography to the investigation of ionospheric structures , 1990 .

[7]  Takuya Tsugawa,et al.  A statistical study of large-scale traveling ionospheric disturbances using the GPS network in Japan , 2004 .

[8]  Steven J Franke,et al.  Ionospheric tomography: its limitations and reconstruction methods , 1994 .

[9]  Tadahiko Ogawa,et al.  Statistical study of nighttime medium‐scale traveling ionospheric disturbances using midlatitude airglow images , 2003 .

[10]  T. Yokoyama,et al.  Spatial relationship of nighttime medium‐scale traveling ionospheric disturbances and F region field‐aligned irregularities observed with two spaced all‐sky airglow imagers and the middle and upper atmosphere radar , 2009 .

[11]  Takashi Maruyama,et al.  Tomographic imaging of the ionosphere over Japan by the modified truncated SVD method , 1995 .

[12]  E. Andreeva,et al.  Phase-difference radiotomography of the ionosphere , 1992 .

[13]  A. Rius,et al.  Estimation of the transmitter and receiver differential biases and the ionospheric total electron content from Global Positioning System observations , 1994 .

[14]  S. E. Pryse.  Radio Tomography: A New Experimental Technique , 2003 .

[15]  S. Fukao,et al.  Simultaneous observations of nighttime medium-scale traveling ionospheric disturbances and E region field-aligned irregularities at midlatitude , 2007 .

[16]  S. E. Pryse,et al.  A preliminary experimental test of ionospheric tomography , 1992 .

[17]  Takuya Tsugawa,et al.  GPS observations of medium-scale traveling ionospheric disturbances over Europe , 2011 .

[18]  Tadahiko Ogawa,et al.  Observations and modeling of 630 nm airglow and total electron content associated with traveling ionospheric disturbances over Shigaraki, Japan , 2002 .

[19]  James A. Secan,et al.  Application of stochastic inverse theory to ionospheric tomography , 1992 .

[20]  Mamoru Yamamoto,et al.  Three‐dimensional GPS ionospheric tomography over Japan using constrained least squares , 2014 .

[21]  M. Yamamoto,et al.  Observational evidence of coupling between quasi-periodic echoes and medium scale traveling ionospheric disturbances , 2007 .

[22]  K. C. Yeh,et al.  Limitations of ionospheric imaging by tomography , 1991 .

[23]  N. Kotake,et al.  Statistical Study of Medium-Scale Traveling Ionospheric Disturbances Observed with a GPS Receiver Network in Japan , 2011 .

[24]  D. Bilitza,et al.  International Reference Ionosphere 2007: Improvements and new parameters , 2008 .

[25]  T. Raymund.  Comparisons of several ionospheric tomography algorithms , 1995 .

[26]  Sandro M. Radicella,et al.  The evolution of the DGR approach to model electron density profiles , 2001 .

[27]  Shoichiro Fukao,et al.  High resolution mapping of TEC perturbations with the GSI GPS Network over Japan , 1998 .

[28]  陳 佳宏,et al.  Modeling and observational studies of plasma density anomalies and earthquake-triggered disturbances in the mid-latitude ionosphere , 2012 .

[29]  Michael C. Kelley,et al.  On the origin of mesoscale TIDs at midlatitudes , 2011 .

[30]  Robert D. Hunsucker,et al.  Atmospheric gravity waves generated in the high‐latitude ionosphere: A review , 1982 .

[31]  T. Yokoyama,et al.  Three‐dimensional simulation of the coupled Perkins and Es‐layer instabilities in the nighttime midlatitude ionosphere , 2008 .

[32]  L. Kersley.  Ionospheric tomography and its applications in radio science and geophysical investigations , 2003 .

[33]  Jann‐Yenq Liu,et al.  Total Electron Content Obtained by Using the Global Positioning System , 1996 .