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Balloon measurements of the vertical ionization profile over southern Israel and comparison to mid-latitude observations

Yaniv, R., Yair, Y., Price, C., Nicoll, K., Harrison, G., Artamonov, A. and Usoskin, I. (2016) Balloon measurements of the vertical ionization profile over southern Israel and comparison to mid-latitude observations. Journal of Atmospheric and Solar-Terrestrial Physics, 149. pp. 87-92. ISSN 1364-6826

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To link to this item DOI: 10.1016/j.jastp.2016.10.003

Abstract/Summary

Airborne measurements using meteorological balloons were conducted for the first time from southern Israel (geographic 30°35’N, 34°45’E geomagnetic 27°6’N 112°23’E) for measuring the vertical ionization profile during solar cycle 24. The results show the differences (increase of ~30%) in count rates as we proceed from solar maximum toward solar minimum. The observed altitude of maximum ionization (the Regener-Pfotzer maximum) was between 17–20 km, and it agrees well with results from other simultaneous measurements conducted at different latitudes (Reading, UK and Zaragoza-Barcelona, Spain). When compared with predictions of an analytical model, we find a highly significant correlation (R2=0.97) between our observations and the computed ionization profiles. The difference in count rates can be attributed to the height of the tropopause due to the model using a US standard atmosphere that differs from the measured atmospheric parameters above Israel.

Item Type:Article
Refereed:Yes
Divisions:Faculty of Science > School of Mathematical, Physical and Computational Sciences > Department of Meteorology
ID Code:67777
Publisher:Elsevier

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