The Earth’s magnetic field: measurements, data, and applications from ground observations (ANGEO/GI inter-journal SI)(ANGEO/GI inter-journal SI)
The Earth’s magnetic field: measurements, data, and applications from ground observations (ANGEO/GI inter-journal SI)(ANGEO/GI inter-journal SI)
Editor(s): J. Rasson, A. Gonsette, K. Arora, A. Chulliat, C. Turbitt, and V. Korepanov Special issue jointly organized between Annales Geophysicae and Geoscientific Instrumentation, Methods and Data Systems
This special issue addresses open research topics related to ground observations of the Earth’s magnetic field. It consists of papers based on talks given during the XVIIth IAGA Workshop on Geomagnetic Observatory Instruments, Data Acquisition and Processing that was held in Dourbes (Belgium) from 4 September to 10 September 2016. Ground magnetic observatories are important for geomagnetism. They provide fixed, long-term, high-quality global time series, thus helping the scientific community to understand the geophysical processes of solid Earth as well as the interaction of the Sun with Earth’s magnetosphere and ionosphere. Data users such as space weather, space physics, and geomagnetic field modelling communities always require better quality data from observatories for their applications. This workshop aimed to improve observatory practice especially when faced with new challenges like advanced instrumentation development, higher sampling rates, faster definitive data processing, real-time delivery, and remote deployment. The event was successful in bringing together about 90 attendees from 37 different countries, of which 21 were European. The 72 presentations covered topics such as instrumentation, observation techniques and processing, data transmission, and applications. We invite the workshop participants and other researchers to submit their results to this inter-journal special issue of Annales Geophysicae (ANGEO) and Geoscientific Instrumentation, Methods and Data Systems (GI).

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07 Mar 2018
On the relevance of source effects in geomagnetic pulsations for induction soundings
Anne Neska, Jan Tadeusz Reda, Mariusz Leszek Neska, and Yuri Petrovich Sumaruk
Ann. Geophys., 36, 337–347, https://doi.org/10.5194/angeo-36-337-2018,https://doi.org/10.5194/angeo-36-337-2018, 2018
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23 Jan 2018
Numerical evaluation of magnetic absolute measurements with arbitrarily distributed DI-fluxgate theodolite orientations
Heinz-Peter Brunke and Jürgen Matzka
Geosci. Instrum. Method. Data Syst., 7, 1–9, https://doi.org/10.5194/gi-7-1-2018,https://doi.org/10.5194/gi-7-1-2018, 2018
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19 Dec 2017
One second vector and scalar magnetic measurements at the low-latitude Choutuppal (CPL) magnetic observatory
Nelapatla Phani Chandrasekhar, Sai Vijay Kumar Potharaju, Kusumita Arora, Chandra Shakar Rao Kasuba, Leonid Rakhlin, Sergey Tymoshyn, Laszlo Merenyi, Anusha Chilukuri, Jayashree Bulusu, and Sergey Khomutov
Geosci. Instrum. Method. Data Syst., 6, 547–560, https://doi.org/10.5194/gi-6-547-2017,https://doi.org/10.5194/gi-6-547-2017, 2017
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09 Nov 2017
Merging fluxgate and induction coil data to produce low-noise geomagnetic observatory data meeting the INTERMAGNET definitive 1 s data standard
Heinz-Peter Brunke, Rudolf Widmer-Schnidrig, and Monika Korte
Geosci. Instrum. Method. Data Syst., 6, 487–493, https://doi.org/10.5194/gi-6-487-2017,https://doi.org/10.5194/gi-6-487-2017, 2017
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02 Nov 2017
Geoelectric monitoring at the Boulder magnetic observatory
Cletus C. Blum, Timothy C. White, Edward A. Sauter, Duff C. Stewart, Paul A. Bedrosian, and Jeffrey J. Love
Geosci. Instrum. Method. Data Syst., 6, 447–452, https://doi.org/10.5194/gi-6-447-2017,https://doi.org/10.5194/gi-6-447-2017, 2017
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26 Oct 2017
Fog-based automatic true north detection for absolute magnetic declination measurement
Alexandre Gonsette, Jean Rasson, Stephan Bracke, Antoine Poncelet, Olivier Hendrickx, and François Humbled
Geosci. Instrum. Method. Data Syst., 6, 439–446, https://doi.org/10.5194/gi-6-439-2017,https://doi.org/10.5194/gi-6-439-2017, 2017
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17 Oct 2017
U.S. Geological Survey experience with the residual absolutes method
E. William Worthington and Jürgen Matzka
Geosci. Instrum. Method. Data Syst., 6, 419–427, https://doi.org/10.5194/gi-6-419-2017,https://doi.org/10.5194/gi-6-419-2017, 2017
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10 Oct 2017
The magnetic observatory on Tatuoca, Belém, Brazil: history and recent developments
Achim Morschhauser, Gabriel Brando Soares, Jürgen Haseloff, Oliver Bronkalla, José Protásio, Katia Pinheiro, and Jürgen Matzka
Geosci. Instrum. Method. Data Syst., 6, 367–376, https://doi.org/10.5194/gi-6-367-2017,https://doi.org/10.5194/gi-6-367-2017, 2017
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25 Sep 2017
Several years of experience with automatic DI-flux systems: theory, validation and results
Antoine Poncelet, Alexandre Gonsette, and Jean Rasson
Geosci. Instrum. Method. Data Syst., 6, 353–360, https://doi.org/10.5194/gi-6-353-2017,https://doi.org/10.5194/gi-6-353-2017, 2017
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25 Sep 2017
In situ vector calibration of magnetic observatories
Alexandre Gonsette, Jean Rasson, and François Humbled
Geosci. Instrum. Method. Data Syst., 6, 361–366, https://doi.org/10.5194/gi-6-361-2017,https://doi.org/10.5194/gi-6-361-2017, 2017
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20 Sep 2017
A low-power data acquisition system for geomagnetic observatories and variometer stations
Achim Morschhauser, Jürgen Haseloff, Oliver Bronkalla, Carsten Müller-Brettschneider, and Jürgen Matzka
Geosci. Instrum. Method. Data Syst., 6, 345–352, https://doi.org/10.5194/gi-6-345-2017,https://doi.org/10.5194/gi-6-345-2017, 2017
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15 Sep 2017
Noise in raw data from magnetic observatories
Sergey Y. Khomutov, Oksana V. Mandrikova, Ekaterina A. Budilova, Kusumita Arora, and Lingala Manjula
Geosci. Instrum. Method. Data Syst., 6, 329–343, https://doi.org/10.5194/gi-6-329-2017,https://doi.org/10.5194/gi-6-329-2017, 2017
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12 Sep 2017
Bulgarian Geomagnetic Reference Field (BulGRF) for 2015.0 and secular variation prediction model up to 2020
Metodi Metodiev and Petya Trifonova
Ann. Geophys., 35, 1085–1092, https://doi.org/10.5194/angeo-35-1085-2017,https://doi.org/10.5194/angeo-35-1085-2017, 2017
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01 Sep 2017
Time-stamp correction of magnetic observatory data acquired during unavailability of time-synchronization services
Pierdavide Coïsson, Kader Telali, Benoit Heumez, Vincent Lesur, Xavier Lalanne, and Chang Jiang Xin
Geosci. Instrum. Method. Data Syst., 6, 311–317, https://doi.org/10.5194/gi-6-311-2017,https://doi.org/10.5194/gi-6-311-2017, 2017
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23 Aug 2017
Possibilities of further improvement of 1 s fluxgate variometers
Andriy Marusenkov
Geosci. Instrum. Method. Data Syst., 6, 301–309, https://doi.org/10.5194/gi-6-301-2017,https://doi.org/10.5194/gi-6-301-2017, 2017
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17 Aug 2017
Estimating error statistics for Chambon-la-Forêt observatory definitive data
Vincent Lesur, Benoît Heumez, Abdelkader Telali, Xavier Lalanne, and Anatoly Soloviev
Ann. Geophys., 35, 939–952, https://doi.org/10.5194/angeo-35-939-2017,https://doi.org/10.5194/angeo-35-939-2017, 2017
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09 Aug 2017
Automated observatory in Antarctica: real-time data transfer on constrained networks in practice
Stephan Bracke, Alexandre Gonsette, Jean Rasson, Antoine Poncelet, and Olivier Hendrickx
Geosci. Instrum. Method. Data Syst., 6, 285–292, https://doi.org/10.5194/gi-6-285-2017,https://doi.org/10.5194/gi-6-285-2017, 2017
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25 Jul 2017
Measurement experiences with FluxSet digital D/I station
László Hegymegi, János Szöllősy, Csaba Hegymegi, and Ádám Domján
Geosci. Instrum. Method. Data Syst., 6, 279–284, https://doi.org/10.5194/gi-6-279-2017,https://doi.org/10.5194/gi-6-279-2017, 2017
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18 Jul 2017
An automatic DI-flux at the Livingston Island geomagnetic observatory, Antarctica: requirements and lessons learned
Santiago Marsal, Juan José Curto, Joan Miquel Torta, Alexandre Gonsette, Vicent Favà, Jean Rasson, Miquel Ibañez, and Òscar Cid
Geosci. Instrum. Method. Data Syst., 6, 269–277, https://doi.org/10.5194/gi-6-269-2017,https://doi.org/10.5194/gi-6-269-2017, 2017
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13 Jul 2017
Semiautomatic sun shots with the WIDIF DIflux
Jean L. Rasson, Olivier Hendrickx, and Jean-Luc Marin
Geosci. Instrum. Method. Data Syst., 6, 257–261, https://doi.org/10.5194/gi-6-257-2017,https://doi.org/10.5194/gi-6-257-2017, 2017
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13 Jul 2017
Automatic detection of Sfe: a proposal
Juan José Curto, Santiago Marsal, Gastón Creci, and Gemma Domingo
Ann. Geophys., 35, 799–804, https://doi.org/10.5194/angeo-35-799-2017,https://doi.org/10.5194/angeo-35-799-2017, 2017
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07 Jul 2017
Stability analysis of geomagnetic baseline data obtained at Cheongyang observatory in Korea
Shakirah M. Amran, Wan-Seop Kim, Heh Ree Cho, and Po Gyu Park
Geosci. Instrum. Method. Data Syst., 6, 231–238, https://doi.org/10.5194/gi-6-231-2017,https://doi.org/10.5194/gi-6-231-2017, 2017
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22 Jun 2017
Modelling geomagnetically induced currents in midlatitude Central Europe using a thin-sheet approach
Rachel L. Bailey, Thomas S. Halbedl, Ingrid Schattauer, Alexander Römer, Georg Achleitner, Ciaran D. Beggan, Viktor Wesztergom, Ramon Egli, and Roman Leonhardt
Ann. Geophys., 35, 751–761, https://doi.org/10.5194/angeo-35-751-2017,https://doi.org/10.5194/angeo-35-751-2017, 2017
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