Comparing the improved Di Giovanni/Radicella model with sounding-based electron density profiles and with the IRI model

Details Comparing the improved Di Giovanni/Radicella model with sounding-based electron density profiles and with the IRI model Comparing the improved Di Giovanni/Radicella model with sounding-based electron density profiles and with the IRI model

Dec 1994

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994adspr..14...83s&link_type=abstract

Advances in Space Research, Volume 14, Issue 12, p. 83-86.

Computer Science

1

Scientific paper

The Di Giovanni/Radicella model (DGR) /1/ determines a bottom side electron densty profile alone from the set of routinely scaled ionogram parameters foE, foF1, foF2 and M(3000)F2 and the total electron content; the smoothed sunspot number R12 appears in the calculation. Present designations are DGR2/2/ and DRR3 /3/ [see Appendix]; they are valid in the northern hemisphere. DGR is compared with electron density profiles derived from ionograms obtained at Juliusruh (54.6°N, 13.4°E), and with the (URSI-based) IRI90 at different conditiones. Experimental total electron content (TEC) data are compared to both models. At the considered station, the profiles obtained by both models are reasonably in agreement amongst themselves and with the experimental data.
The TEC derived from the DGR3 model is in good agreement with experimental TEC, whereas, at high solar activity, IRI90 gives too high TEC values, especially during daytime.

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