Relevant bibliographies by topics / Equatorial Ionization anomaly

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  1. Journal articles
  2. Dissertations / Theses
  3. Book chapters
  4. Conference papers

Academic literature on the topic 'Equatorial Ionization anomaly'

Author: Grafiati
Published: 6 September 2023
Last updated: 25 July 2025

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Journal articles on the topic "Equatorial Ionization anomaly"

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Bharti, Gaurav, T. Bag, and M. V. Sunil Krishna. "Effect of geomagnetic storm conditions on the equatorial ionization anomaly and equatorial temperature anomaly." Journal of Atmospheric and Solar-Terrestrial Physics 168 (March 2018): 8–20. http://dx.doi.org/10.1016/j.jastp.2017.12.014.

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Wang, Hai-Ning, Qing-Lin Zhu, Xiang Dong, et al. "A Novel Technique for High-Precision Ionospheric VTEC Estimation and Prediction at the Equatorial Ionization Anomaly Region: A Case Study over Haikou Station." Remote Sensing 15, no. 13 (2023): 3394. http://dx.doi.org/10.3390/rs15133394.

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This paper introduces a novel technique that uses observation data from GNSS to estimate the ionospheric vertical total electron content (VTEC) using the Kriging–Kalman method. The technique provides a method to validate the accuracy of the Ionospheric VTEC analysis within the Equatorial Ionization anomaly region. The technique developed uses GNSS VTEC alongside solar parameters, such as solar radio flux (F10.7 cm), Disturbance Storm Time (Dst) and other data, and Long Short Term Memory (LSTM) Networks to predict the occurrence time of the ionospheric equatorial anomaly and ionospheric VTEC ch
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Lee, I. T., J. Y. Liu, C. H. Lin, K. I. Oyama, C. Y. Chen, and C. H. Chen. "Ionospheric plasma caves under the equatorial ionization anomaly." Journal of Geophysical Research: Space Physics 117, A11 (2012): n/a. http://dx.doi.org/10.1029/2012ja017868.

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Chen, Pei-Ren. "Two-day oscillation of the equatorial ionization anomaly." Journal of Geophysical Research 97, A5 (1992): 6343. http://dx.doi.org/10.1029/91ja02445.

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Eastes, R. W., S. C. Solomon, R. E. Daniell, et al. "Global‐Scale Observations of the Equatorial Ionization Anomaly." Geophysical Research Letters 46, no. 16 (2019): 9318–26. http://dx.doi.org/10.1029/2019gl084199.

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Sharma, P., and R. Raghavarao. "Simultaneous occurrence of ionization ledge and counterelectrojet in the equatorial ionosphere: observational evidence and its implications." Canadian Journal of Physics 67, no. 2-3 (1989): 166–72. http://dx.doi.org/10.1139/p89-028.

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In this paper we present observational evidence for the simultaneous occurrence of an ionization ledge in the topside and a counterelectrojet in the E-region altitudes of the equatorial ionosphere. The following morphological features of the ionization ledge are found to be the same as those of the counterelectrojet phenomenon: namely, occurrence on a sequence of days in succession, preferential occurrence during a solar minimum period as compared with a solar maximum period, occurrence in a limited longitudinal belt, and lunar control of the occurrence as revealed by our data.There is also a
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Raghavarao, R., M. Nageswararao, J. Hanumath Sastri, G. D. Vyas, and M. Sriramarao. "Role of equatorial ionization anomaly in the initiation of equatorial spread F." Journal of Geophysical Research 93, A6 (1988): 5959. http://dx.doi.org/10.1029/ja093ia06p05959.

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Ray, S., A. Paul, and A. DasGupta. "Equatorial scintillations in relation to the development of ionization anomaly." Annales Geophysicae 24, no. 5 (2006): 1429–42. http://dx.doi.org/10.5194/angeo-24-1429-2006.

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Abstract. The irregularities in the electron density distribution of the ionosphere over the equatorial region frequently disrupt space-based communication and navigation links by causing severe amplitude and phase scintillations of signals. Development of a specification and forecast system for scintillations is needed in view of the increased reliance on space-based communication and navigation systems, which are vulnerable to ionospheric scintillations. It has been suggested in recent years that a developed equatorial anomaly in the afternoon hours, with a steep gradient of the F-region ion
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Liu, J. Y., P. K. Rajesh, I. T. Lee, and T. C. Chow. "Airglow observations over the equatorial ionization anomaly zone in Taiwan." Annales Geophysicae 29, no. 5 (2011): 749–57. http://dx.doi.org/10.5194/angeo-29-749-2011.

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Abstract. Airglow imaging at mid-latitude stations often show intensity modulations associated with medium scale travelling ionospheric disturbances (MSTID), while those carried out near the equatorial regions reveal depletions caused by equatorial plasma bubbles (EPB). Two all sky cameras are used to observe plasma depletions in the 630.0 nm emission over the equatorial ionization anomaly (EIA) region, Taiwan (23° N, 121° E; 13.5° N Magnetic) during 1998–2002 and 2006–2007. The results show EPB and MSTID depletions in different solar activity conditions. Several new features of the EPB deplet
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Jayachandran, P. T., P. Sri Ram, V. V. Somayajulu, and P. V. S. Rama Rao. "Effect of equatorial ionization anomaly on the occurrence of spread-F." Annales Geophysicae 15, no. 2 (1997): 255–62. http://dx.doi.org/10.1007/s00585-997-0255-3.

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Abstract. The unique geometry of the geomagnetic field lines over the equatorial ionosphere coupled with the E-W electric field causes the equatorial ionization anomaly (EIA) and equatorial spread-F (ESF). Ionosonde data obtained at a chain of four stations covering equator to anomaly crest region (0.3 to 33 °N dip) in the Indian sector are used to study the role of EIA and the associated processes on the occurrence of ESF. The study period pertains to the equinoctial months (March, April, September and October) of 1991. The ratios of critical frequency of F-layer (ƒ0F2) and electron densities
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Dissertations / Theses on the topic "Equatorial Ionization anomaly"

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Khadka, Sovit M. "Multi-diagnostic Investigations of the Equatorial and Low-latitude Ionospheric Electrodynamics and Their Impacts on Space-based Technologies." Thesis, Boston College, 2018. http://hdl.handle.net/2345/bc-ir:108001.

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Thesis advisor: Prof. Michael J. Naughton<br>Thesis advisor: Dr. Cesar E. Valladares<br>The equatorial and low-latitude ionosphere of the Earth exhibits unique features on its structuring, coupling, and electrodynamics that offer the possibility to forecast the dynamics and fluctuations of ionospheric plasma densities at later times. The scientific understanding and forecasting of ionospheric plasma are necessary for several practical applications, such as for mitigating the adverse effects of space weather on communication, navigation, power grids, space mission, and for various scientific ex
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Nayak, Chinmaya Kumar. "Study of the variability of equatorial and low latitude ionosphere in the Indian region using radio waves." Thesis, Indian Institute of Geomagnetism, Mumbai, 2013. http://localhost:8080/xmlui/handle/123456789/215.

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A thesis submitted to the University of Mumbai for the Ph.D (Science) Degree in Physics under the guidance of Dr. Satyavir Singh.<br>This thesis addresses three different aspects of the equatorial ionosphere during a period of extended solar minimum (2007-2009). Chapter I gives a detailed introduction to various features of the equatorial ionosphere while the chapters II, III, and IV discusses the work done during the course of this thesis. In this chapter, the summary and conclusions of the research work presented in the thesis have been discussed, with the scope for the future investigations
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Chen, Chia-Hung, and 陳佳宏. "Ionospheric Equatorial Ionization Anomaly and Equatorial Electrojet." Thesis, 2006. http://ndltd.ncl.edu.tw/handle/56cpwm.

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碩士<br>國立中央大學<br>太空科學研究所<br>94<br>Many studies show seasonal variations of equatorial ionization anomaly (EIA). In this thesis, the ionospheric total electron content (TEC) in the Asian sector derived from measurements of ground-based receivers of the global positioning system (GPS) is employed to investigate the EIA variations during 1997-2005. In addition, magnetometer data from the Circum-pan Pacific Magnetometer Network (CPMN) are used to study the EIA variations associated with the equatorial electrojet (EEJ). It is found in both the northern and southern hemispheres that the EIA crests ma
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Yu-TsungChen and 陳昱璁. "Numerical simulation on structures and electrodynamics ofionospheric plasma cave and equatorial ionization anomaly." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/17267998340691093084.

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碩士<br>國立成功大學<br>地球科學系<br>102<br>This thesis studies the ionospheric plasma structure and electrodynamic using theoretical simulations. This study focus on the mechanism for the formation of ionospheric plasma caves and nonlinear coupling between atmosphere tides and ionospheric total electron content. Variations of the ionospheric electron density structures related to forcing from tides propagating upward from the lower atmosphere have been studied intensively recently. Some observational studies have shown the plasma cave structure exists under the equatorial ionization anomaly. In this stu
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Chien, Shih-han, and 簡士涵. "Variability of the Equatorial Ionization Anomaly on seasonal and day-to-day time scales." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/11744104703305279794.

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碩士<br>國立中央大學<br>太空科學研究所<br>103<br>The Equatorial Ionization Anomaly (EIA) is a persistent feature of the ionospheric F layer, located around 300 km altitude, generated by the E-region wind dynamo driven equatorial fountain. We report our analysis of short term EIA variability due to atmospheric, solar, and geophysical sources. Short-term anomalies in EIA region total electron content (TEC) from GPS-derived global ionosphere maps (GIM) at 105° W, 15°E and 120°E longitude are compared to anomalies in three different geophysical sources: solar flux (F10.7 solar flux proxy), geomagnetic storms (Kp
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Liao, Ren-De, and 廖任德. "A Statistical Study of Equatorial Ionization Anomaly by Use of the IPEI Payload Onboard ROCSAT-1." Thesis, 2003. http://ndltd.ncl.edu.tw/handle/90385576663781293415.

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碩士<br>國立中央大學<br>太空科學研究所<br>91<br>Abstract Due to the unique 35-degree orbital inclination of ROCSAT-1 and 100% duty-cycle operation of the Ionospheric Plasma and Electrodynamics Instrument (IPEI) , the ROCSAT-IPEI has collected a large set of ion density and velocity data over the equatorial ionization anomaly (EIA) region. In this thesis, we utilize the data acquired from IPEI in the year of 2000, which is during the solar maximum, to study the EIA phenomenon in the topside (600km altitude) ionosphere. For the convenience of statistical analysis, we define an EIA event as that the ion den
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Book chapters on the topic "Equatorial Ionization anomaly"

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Batista, Inez S., Erica M. Diogo, Jonas R. Souza, Mangalathayil Ali Abdu, and Graham J. Bailey. "Equatorial Ionization Anomaly: The Role of Thermospheric Winds and the Effects of the Geomagnetic Field Secular Variation." In Aeronomy of the Earth's Atmosphere and Ionosphere. Springer Netherlands, 2011. http://dx.doi.org/10.1007/978-94-007-0326-1_23.

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Conference papers on the topic "Equatorial Ionization anomaly"

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Paes, Ricardo da Rosa, Inez Staciarini Batista, Miguel Angelo Amaral Junior, Paulo Alexandre Bronzato Nogueira, and Paulo César Pernomian dos Santos. "Sudden Stratospheric Warming Event Influence on the Equatorial Ionization Anomaly." In 12th International Congress of the Brazilian Geophysical Society & EXPOGEF, Rio de Janeiro, Brazil, 15-18 August 2011. Society of Exploration Geophysicists and Brazilian Geophysical Society, 2011. http://dx.doi.org/10.1190/sbgf2011-444.

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Long, Fengyang, Chengfa Gao, and Yanfeng Dong. "Analysis of TEC Variations in Equatorial Ionization Anomaly Crest Region Over Western China." In 2021 7th International Conference on Space Science and Communication (IconSpace). IEEE, 2021. http://dx.doi.org/10.1109/iconspace53224.2021.9768310.

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Aswathy, R. P., G. Manju, and Surendra Sunda. "The Response Time Of Equatorial Ionization Anomaly Crest: A Unique Precursor To The Time Of Equatorial Spread F Initiation." In 2019 URSI Asia-Pacific Radio Science Conference (AP-RASC). IEEE, 2019. http://dx.doi.org/10.23919/ursiap-rasc.2019.8738191.

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Chatterjee, Kalyan, Arundhati Sen, and Abhranila Das. "Multi-constellation satellite signal characterization near the northern crest of Equatorial Ionization Anomaly (EIA)." In 2015 International Conference and Workshop on Computing and Communication (IEMCON). IEEE, 2015. http://dx.doi.org/10.1109/iemcon.2015.7344465.

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Bakare, N. O., and B. O. Adebesin. "Observations of Ionospheric Propagation Factor at Two African Equatorial Ionization Anomaly Stations Using Ionosonde Measurements." In 2023 International Conference on Science, Engineering and Business for Sustainable Development Goals (SEB-SDG). IEEE, 2023. http://dx.doi.org/10.1109/seb-sdg57117.2023.10124537.

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Sur, Dibyendu, Aditi Das, and Ashik Paul. "Neural network based TEC model using multistation GPS-TEC around the northern crest of equatorial ionization anomaly." In 2012 International Conference on Computers and Devices for Communication (CODEC). IEEE, 2012. http://dx.doi.org/10.1109/codec.2012.6509336.

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Yadav, Sneha, R. S. Dabas, Rupesh M. Das, A. K. Upadhayaya, and A. K. Gwal. "Adaptive modeling of equatorial ionization anomaly crest parameters by using multistation ionosonde data over the Indian region." In 2011 XXXth URSI General Assembly and Scientific Symposium. IEEE, 2011. http://dx.doi.org/10.1109/ursigass.2011.6050975.

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Olwendo O. J, P. Baki, and P. J. Cilliers. "On the variability on the formation of Equatorial Ionization Anomaly crest over the East African low latitude region." In 2015 1st URSI Atlantic Radio Science Conference (URSI AT-RASC). IEEE, 2015. http://dx.doi.org/10.1109/ursi-at-rasc.2015.7303097.

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Yadav, Sneha, Rupesh M. Das, R. S. Dabas, T. K. Pant, and A. K. Gwal. "Development of computerized ionospheric tomography technique and its application to study the Equatorial Ionization Anomaly over the Indian region." In 2011 XXXth URSI General Assembly and Scientific Symposium. IEEE, 2011. http://dx.doi.org/10.1109/ursigass.2011.6050985.

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