04 Dec 2020
04 Dec 2020
Comment on Identification of the IMF sector structure in near-real time by ground magnetic data
by Janzhura and Troshichev (2011)
- Danish Meteorological Institute, Lyngbyvej 100, Copenhagen
- Danish Meteorological Institute, Lyngbyvej 100, Copenhagen
Abstract. The only published description of the solar wind sector (SS) term used for the reference level in the post-event and real-time derivation of the Polar Cap (PC) indices, PCN (North) and PCS (South), in the version endorsed by the International Association for Geomagnetism and Aeronomy (IAGA) is found in the commented publication, Janzhura and Troshichev (2011): Identification of the IMF sector structure in near-real time by ground magnetic data, Annales Geophysicae, 29, 1491–1500. Actually, the publication has served as basis for the index endorsement by IAGA in 2013. However, neither the illustrations nor the results presented there have been derived by the specified near-real time method. Figs. 1, 6, 7, and 8 display values derived by post-event calculations based on daily medians smoothed over 7 days centred on the day of interest. Figs. 2, 3, and 4 display observed values smoothed over 7 days, while the remaining Fig. 5 displays averages over 4 months. In summary, there are strong disagreements between indications in the title, abstract, and statements in the text compared to the actual results and their illustrations.
Identification of the IMF sector structure in near-real time by ground magnetic databy Janzhura and Troshichev (2011), Ann. Geophys. Discuss. [preprint], https://doi.org/10.5194/angeo-2020-53, in review, 2020.
- Preprint
(2129 KB) - Corresponding article
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Peter Stauning


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SC1: 'Comment on angeo-2020-53', Oleg Troshichev, 15 Jan 2021
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AC1: 'Reply on SC1', Peter Stauning, 16 Jan 2021
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AC1: 'Reply on SC1', Peter Stauning, 16 Jan 2021
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AC2: 'Final Author Comment on angeo-2020-53', Peter Stauning, 30 Jan 2021
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AC3: 'Comment on angeo-2020-53', Peter Stauning, 05 Feb 2021
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RC1: '[angeo-2020-53[ Review of Stauning', Anonymous Referee #1, 09 Feb 2021
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AC4: 'Final Replies on RC1 and SC1', Peter Stauning, 09 Feb 2021
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AC4: 'Final Replies on RC1 and SC1', Peter Stauning, 09 Feb 2021


-
SC1: 'Comment on angeo-2020-53', Oleg Troshichev, 15 Jan 2021
-
AC1: 'Reply on SC1', Peter Stauning, 16 Jan 2021
-
AC1: 'Reply on SC1', Peter Stauning, 16 Jan 2021
-
AC2: 'Final Author Comment on angeo-2020-53', Peter Stauning, 30 Jan 2021
-
AC3: 'Comment on angeo-2020-53', Peter Stauning, 05 Feb 2021
-
RC1: '[angeo-2020-53[ Review of Stauning', Anonymous Referee #1, 09 Feb 2021
-
AC4: 'Final Replies on RC1 and SC1', Peter Stauning, 09 Feb 2021
-
AC4: 'Final Replies on RC1 and SC1', Peter Stauning, 09 Feb 2021
Peter Stauning
Peter Stauning
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