Description
The externally imposed vertical drift in the F region is an extremely important driver of ionospheric dynamics but is very difficult to measure or map. Ionospheric servo algorithms have used hmF2 as F-region observable to infer the vertical drift. However, an even more plentiful observable is the total electron content (TEC) whose coverage over northern mid-latitudes has both spatial and temporal availability that matches those of the probable mechanisms responsible for vertical drift dynamics.
This ionospheric, first principle physics, study shows that TEC is a viable servo parameter at mid-latitudes in the noon sector. The servo relationship is shown to be linear over at least one hour for vertical drifts between + 100 m/s. Simulations over a full range of seasons and the solar cycle confirm the linear relationship between TEC and vertical drift with changing linear rate coefficients. These simulation results are dependent upon the vertical drift adopted to generate a baseline ionosphere from which the servo simulations evolve. Thus this type of TEC servo would generate relative vertical drifts. These, in turn, would create latitude-longitude maps of the vertical drift dynamics.
Author ORCID Identifier
Jan J. Sojka https://orcid.org/0000-0001-7894-6785
OCLC
1236209235
Document Type
Dataset
DCMI Type
Dataset
File Format
.txt
Publication Date
10-22-2020
Funder
NSF, Division of Atmospheric and Geospace Sciences (AGS)
Publisher
Utah State Unuversity
Award Number
NSF, Division of Atmospheric and Geospace Sciences (AGS) 1441774
Methodology
A total of 10 identically formatted files corresponding to 10 different TDIM simulation scenarios are in this archive. These are the only TDIM simulation data used in the referenced study. Each file is a chronologic series of TDIM parameters; TEC, hmF2, and NmF2 at an output cadence of 500 seconds. These 10 files are text files suitable for spreadsheet use.
Referenced by
Sojka, J. J. (2021). Is TEC a viable ionospheric servo input? Journal of Atmospheric and Solar-Terrestrial Physics, 220, 105667. https://doi.org/10.1016/j.jastp.2021.105667
Location
Juliusruh, Germany, 54.6 N, 13.4 E
Language
eng
Code Lists
See the README.txt file.
Disciplines
Physics
License
This work is licensed under a Creative Commons Attribution 4.0 License.
Recommended Citation
Sojka, J. J. (2020). TDIM ionospheric model TEC, hmF2, and NmF2 at mid-latitude northern hemisphere, used in the paper titled "Is TEC a Viable Servo Input?". Utah State University. https://doi.org/10.26078/BW6E-Q358
Checksum
4a390f7ed8bdc06378da507cebe02966
Additional Files
README.txt (4 kB)MD5: 2f519ffbbb27ced36d095587aa7d3cd1
TDIM_MAX_SPR_NOWIND.txt (493 kB)
MD5: abd3689724d55fac6acee5e63132dc6c
TDIM_MAX_SUM_NOWIND.txt (493 kB)
MD5: 0fb2bf82a15defa829f65e968197fe03
TDIM_MAX_WIN_NOWIND.txt (493 kB)
MD5: 8b5a03d22c33d5751c78ae43342ec396
TDIM_MED_SPR_HWM.txt (493 kB)
MD5: 128b5e6c523c0a9e2014645d06426e68
TDIM_MED_SPR_NOWIND.txt (493 kB)
MD5: 01698cabc0976de9292da9ca80e2c855
TDIM_MED_SUM_NOWIND.txt (493 kB)
MD5: 64d660dd18b49e3e797a69f91aa361b8
TDIM_MED_WIN_NOWIND.txt (493 kB)
MD5: 47627c524e7f9d9b799d01655fd32e21
TDIM_MIN_SPR_NOWIND.txt (547 kB)
MD5: e8853aa563712f13055ce55a0916b8da
TDIM_MIN_SUM_NOWIND.txt (493 kB)
MD5: d1d122b73cc1bdc56fc13ad33b40f556
TDIM_MIN_WIN_NOWIND.txt (493 kB)
MD5: 771051fceb98e6c962832e4f38696548
Comments
File naming convention is described in the README.txt file.