The Egyptian geomagnetic reference field to the Epoch, 2010.0
Deebes, H., Abd Elaal, E., Arafa, T., Lethy, A., El Emam, A., Ghamry, E., Odah, H. (2017). The Egyptian geomagnetic reference field to the Epoch, 2010.0. EKB Journal Management System, 6(1), 104-130. doi: 10.1016/j.nrjag.2017.03.004
H.A. Deebes; E.M. Abd Elaal; T. Arafa; A. Lethy; A. El Emam; E. Ghamry; H. Odah. "The Egyptian geomagnetic reference field to the Epoch, 2010.0". EKB Journal Management System, 6, 1, 2017, 104-130. doi: 10.1016/j.nrjag.2017.03.004
Deebes, H., Abd Elaal, E., Arafa, T., Lethy, A., El Emam, A., Ghamry, E., Odah, H. (2017). 'The Egyptian geomagnetic reference field to the Epoch, 2010.0', EKB Journal Management System, 6(1), pp. 104-130. doi: 10.1016/j.nrjag.2017.03.004
Deebes, H., Abd Elaal, E., Arafa, T., Lethy, A., El Emam, A., Ghamry, E., Odah, H. The Egyptian geomagnetic reference field to the Epoch, 2010.0. EKB Journal Management System, 2017; 6(1): 104-130. doi: 10.1016/j.nrjag.2017.03.004

The Egyptian geomagnetic reference field to the Epoch, 2010.0

NRIAG Journal of Astronomy and Geophysics
Volume 6, Issue 1, June 2017, Pages 104-130    PDF (13.07 M)
DOI: 10.1016/j.nrjag.2017.03.004
Authors
H.A. Deebes; E.M. Abd Elaal; T. Arafa; A. Lethy; A. El Emam; E. Ghamry; H. Odah
Abstract
The present work is a compilation of two tasks within the frame of the project “Geomagnetic Survey & Detailed Geomagnetic Measurements within the Egyptian Territory” funded by the “Science and Technology Development Fund agency (STDF)”. The National Research Institute of Astronomy and Geophysics (NRIAG), has conducted a new extensive land geomagnetic survey that covers the whole Egyptian territory. The field measurements have been done at 3212 points along all the asphalted roads, defined tracks, and ill-defined tracks in Egypt; with total length of 11,586 km. In the present work, the measurements cover for the first time new areas as: the southern eastern borders of Egypt including Halayeb and Shlatin, the Quattara depresion in the western desert, and the new roads between Farafra and Baharia oasis. Also marine geomagnetic survey have been applied for the first time in Naser lake.
Misallat and Abu-Simble geomagnetic observatories have been used to reduce the field data to the Epoch 2010. During the field measurements, whenever possible, the old stations occupied by the previous observers have been re-occupied to determine the secular variations at these points.
The geomagnetic anomaly maps, the normal geomagnetic field maps with their corresponding secular variation maps, the normal geomagnetic field equations of the geomagnetic elements (EGRF) and their corresponding secular variations equations, are outlined. The anomalous sites, as discovered from the anomaly maps are, only, mentioned. In addition, a correlation between the International Geomagnetic Reference Field (IGRF) 2010.0 and the Egyptian Geomagnetic Reference Field (EGRF) 2010 is indicated.
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