Annual Mean and Correlation of Global Vertical Total Electron Content from Various Global Data Centers

Shambel Gizachew; Belay Sitotaw; Gizaw Mengistu

doi:doi:10.11648/j.ajaa.20200801.11

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Annual Mean and Correlation of Global Vertical Total Electron Content from Various Global Data Centers

Shambel Gizachew, Belay Sitotaw, Gizaw Mengistu

Published in American Journal of Astronomy and Astrophysics (Volume 8, Issue 1)

Received: 21 November 2019 Accepted: 31 December 2019 Published: 21 January 2020

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Abstract

The main purpose of this work is to evaluate the annual mean correlations of vertical total electron content provided by GPS, Center for Orbit Determination in Europe (CODE), Jet Propulsion Laboratory (JPL), Polytechnical University of Catalonia (UPC) and European Space Agency (ESA) data centers. The comparisons are aimed at comparability of the different vertical total electron content (VTEC) data sets in terms of times variabilities globally. The Annual mean comparison of these global vertical total electron content are as expected results and also the agreements between the different VTECs from the given data centers also assessed from correlation maps is very good as reflected in correlation exceeding 0.98 among the different data sets with the exception of ESA VTEC. Moreover, the result shows that a distinct feature which exhibit by all data sets is presence of peak VTEC along equatorial latitude belt which fades out with increase in latitude.

Published in	American Journal of Astronomy and Astrophysics (Volume 8, Issue 1)
DOI	10.11648/j.ajaa.20200801.11
Page(s)	1-7
Creative Commons	This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited.
Copyright	Copyright © The Author(s), 2020. Published by Science Publishing Group

Keywords

Total Electron Content, GPS, Electron Density

References

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Shambel Gizachew, Belay Sitotaw, Gizaw Mengistu. (2020). Annual Mean and Correlation of Global Vertical Total Electron Content from Various Global Data Centers. American Journal of Astronomy and Astrophysics, 8(1), 1-7. https://doi.org/10.11648/j.ajaa.20200801.11

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ACS Style

Shambel Gizachew; Belay Sitotaw; Gizaw Mengistu. Annual Mean and Correlation of Global Vertical Total Electron Content from Various Global Data Centers. Am. J. Astron. Astrophys. 2020, 8(1), 1-7. doi: 10.11648/j.ajaa.20200801.11

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AMA Style

Shambel Gizachew, Belay Sitotaw, Gizaw Mengistu. Annual Mean and Correlation of Global Vertical Total Electron Content from Various Global Data Centers. Am J Astron Astrophys. 2020;8(1):1-7. doi: 10.11648/j.ajaa.20200801.11

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@article{10.11648/j.ajaa.20200801.11,
  author = {Shambel Gizachew and Belay Sitotaw and Gizaw Mengistu},
  title = {Annual Mean and Correlation of Global Vertical Total Electron Content from Various Global Data Centers},
  journal = {American Journal of Astronomy and Astrophysics},
  volume = {8},
  number = {1},
  pages = {1-7},
  doi = {10.11648/j.ajaa.20200801.11},
  url = {https://doi.org/10.11648/j.ajaa.20200801.11},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ajaa.20200801.11},
  abstract = {The main purpose of this work is to evaluate the annual mean correlations of vertical total electron content provided by GPS, Center for Orbit Determination in Europe (CODE), Jet Propulsion Laboratory (JPL), Polytechnical University of Catalonia (UPC) and European Space Agency (ESA) data centers. The comparisons are aimed at comparability of the different vertical total electron content (VTEC) data sets in terms of times variabilities globally. The Annual mean comparison of these global vertical total electron content are as expected results and also the agreements between the different VTECs from the given data centers also assessed from correlation maps is very good as reflected in correlation exceeding 0.98 among the different data sets with the exception of ESA VTEC. Moreover, the result shows that a distinct feature which exhibit by all data sets is presence of peak VTEC along equatorial latitude belt which fades out with increase in latitude.},
 year = {2020}
}

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TY  - JOUR
T1  - Annual Mean and Correlation of Global Vertical Total Electron Content from Various Global Data Centers
AU  - Shambel Gizachew
AU  - Belay Sitotaw
AU  - Gizaw Mengistu
Y1  - 2020/01/21
PY  - 2020
N1  - https://doi.org/10.11648/j.ajaa.20200801.11
DO  - 10.11648/j.ajaa.20200801.11
T2  - American Journal of Astronomy and Astrophysics
JF  - American Journal of Astronomy and Astrophysics
JO  - American Journal of Astronomy and Astrophysics
SP  - 1
EP  - 7
PB  - Science Publishing Group
SN  - 2376-4686
UR  - https://doi.org/10.11648/j.ajaa.20200801.11
AB  - The main purpose of this work is to evaluate the annual mean correlations of vertical total electron content provided by GPS, Center for Orbit Determination in Europe (CODE), Jet Propulsion Laboratory (JPL), Polytechnical University of Catalonia (UPC) and European Space Agency (ESA) data centers. The comparisons are aimed at comparability of the different vertical total electron content (VTEC) data sets in terms of times variabilities globally. The Annual mean comparison of these global vertical total electron content are as expected results and also the agreements between the different VTECs from the given data centers also assessed from correlation maps is very good as reflected in correlation exceeding 0.98 among the different data sets with the exception of ESA VTEC. Moreover, the result shows that a distinct feature which exhibit by all data sets is presence of peak VTEC along equatorial latitude belt which fades out with increase in latitude.
VL  - 8
IS  - 1
ER  -

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Author Information

Shambel Gizachew

Physics Department, Dire Dawa University, Dire Dawa, Ethiopia
Belay Sitotaw

Physics Department, Dire Dawa University, Dire Dawa, Ethiopia
Gizaw Mengistu

Physics Department, Addis Ababa University, Addis Ababa, Ethiopia

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APA Style

Shambel Gizachew, Belay Sitotaw, Gizaw Mengistu. (2020). Annual Mean and Correlation of Global Vertical Total Electron Content from Various Global Data Centers. American Journal of Astronomy and Astrophysics, 8(1), 1-7. https://doi.org/10.11648/j.ajaa.20200801.11

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ACS Style

Shambel Gizachew; Belay Sitotaw; Gizaw Mengistu. Annual Mean and Correlation of Global Vertical Total Electron Content from Various Global Data Centers. Am. J. Astron. Astrophys. 2020, 8(1), 1-7. doi: 10.11648/j.ajaa.20200801.11

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AMA Style

Shambel Gizachew, Belay Sitotaw, Gizaw Mengistu. Annual Mean and Correlation of Global Vertical Total Electron Content from Various Global Data Centers. Am J Astron Astrophys. 2020;8(1):1-7. doi: 10.11648/j.ajaa.20200801.11

Copy | Download

@article{10.11648/j.ajaa.20200801.11,
  author = {Shambel Gizachew and Belay Sitotaw and Gizaw Mengistu},
  title = {Annual Mean and Correlation of Global Vertical Total Electron Content from Various Global Data Centers},
  journal = {American Journal of Astronomy and Astrophysics},
  volume = {8},
  number = {1},
  pages = {1-7},
  doi = {10.11648/j.ajaa.20200801.11},
  url = {https://doi.org/10.11648/j.ajaa.20200801.11},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ajaa.20200801.11},
  abstract = {The main purpose of this work is to evaluate the annual mean correlations of vertical total electron content provided by GPS, Center for Orbit Determination in Europe (CODE), Jet Propulsion Laboratory (JPL), Polytechnical University of Catalonia (UPC) and European Space Agency (ESA) data centers. The comparisons are aimed at comparability of the different vertical total electron content (VTEC) data sets in terms of times variabilities globally. The Annual mean comparison of these global vertical total electron content are as expected results and also the agreements between the different VTECs from the given data centers also assessed from correlation maps is very good as reflected in correlation exceeding 0.98 among the different data sets with the exception of ESA VTEC. Moreover, the result shows that a distinct feature which exhibit by all data sets is presence of peak VTEC along equatorial latitude belt which fades out with increase in latitude.},
 year = {2020}
}

Copy | Download

TY  - JOUR
T1  - Annual Mean and Correlation of Global Vertical Total Electron Content from Various Global Data Centers
AU  - Shambel Gizachew
AU  - Belay Sitotaw
AU  - Gizaw Mengistu
Y1  - 2020/01/21
PY  - 2020
N1  - https://doi.org/10.11648/j.ajaa.20200801.11
DO  - 10.11648/j.ajaa.20200801.11
T2  - American Journal of Astronomy and Astrophysics
JF  - American Journal of Astronomy and Astrophysics
JO  - American Journal of Astronomy and Astrophysics
SP  - 1
EP  - 7
PB  - Science Publishing Group
SN  - 2376-4686
UR  - https://doi.org/10.11648/j.ajaa.20200801.11
AB  - The main purpose of this work is to evaluate the annual mean correlations of vertical total electron content provided by GPS, Center for Orbit Determination in Europe (CODE), Jet Propulsion Laboratory (JPL), Polytechnical University of Catalonia (UPC) and European Space Agency (ESA) data centers. The comparisons are aimed at comparability of the different vertical total electron content (VTEC) data sets in terms of times variabilities globally. The Annual mean comparison of these global vertical total electron content are as expected results and also the agreements between the different VTECs from the given data centers also assessed from correlation maps is very good as reflected in correlation exceeding 0.98 among the different data sets with the exception of ESA VTEC. Moreover, the result shows that a distinct feature which exhibit by all data sets is presence of peak VTEC along equatorial latitude belt which fades out with increase in latitude.
VL  - 8
IS  - 1
ER  -

Copy | Download