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NeQuick2 and IRI2012 models applied to mid and high latitudes, and the Antarctic ionosphere

Published online by Cambridge University Press:  12 January 2017

M. Pietrella ,
B. Nava ,
M. Pezzopane ,
Y. Migoya Orue ,
A. Ippolito  and
C. Scotto
M. Pietrella*
Affiliation:
Istituto Nazionale di Geofisica e Vulcanologia, via di Vigna Murata 605, 00143 Rome, Italy
B. Nava
Affiliation:
The Abdus Salam International Centre for Theoretical Physics Strada Costiera 11, I-34051 Trieste, Italy
M. Pezzopane
Affiliation:
Istituto Nazionale di Geofisica e Vulcanologia, via di Vigna Murata 605, 00143 Rome, Italy
Y. Migoya Orue
Affiliation:
The Abdus Salam International Centre for Theoretical Physics Strada Costiera 11, I-34051 Trieste, Italy
A. Ippolito
Affiliation:
Istituto Nazionale di Geofisica e Vulcanologia, via di Vigna Murata 605, 00143 Rome, Italy
C. Scotto
Affiliation:
Istituto Nazionale di Geofisica e Vulcanologia, via di Vigna Murata 605, 00143 Rome, Italy
*
marco.pietrella@ingv.it
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Abstract

Within the framework of the AUSPICIO (AUtomatic Scaling of Polar Ionograms and Co-operative Ionospheric Observations) project, a limited sample of ionograms recorded mostly in 2001 and 2009, and to a lesser extent in 2006–07 and 2012–15, at the ionospheric observatories of Hobart and Macquarie Island (mid-latitude), Comandante Ferraz and Livingstone Island (high latitude), and Casey, Mawson, Davis and Scott Base (inside the Antarctic Polar Circle (APC)) were considered to study the capability of the NeQuick2 and IRI2012 models for predicting the behaviour of the ionosphere at mid- and high latitudes and over the Antarctic area. The applicability of NeQuick2 and IRI2012 was evaluated as i) climatological models taking as input the F10.7 solar activity index and ii) assimilative models ingesting the foF2 and hmF2 measurements obtained from the electron density profiles provided by the Adaptive Ionospheric Profiler (AIP). The statistical analysis results reveal that the best description of the ionosphere’s electron density is achieved when the AIP measurements are ingested into the NeQuick2 and IRI2012 models. Moreover, NeQuick2 performance is far better than IRI2012 performance outside the APC. Conversely, the IRI2012 model performs better than the NeQuick2 model inside the APC.

Keywords

adaptive ionospheric profilerautoscaladata ingestionroot mean square error
Type
Physical Sciences
Information
Antarctic Science , Volume 29 , Issue 3 , June 2017 , pp. 265 - 276
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Copyright
© Antarctic Science Ltd 2017 

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