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152.375  Articles
1 of 15.239 pages  |  10  records  |  more records»
One of the main challenges on the course of the repeat station surveys is to determine the spatial differences of the geomagnetic elements between the repeat stations and the reference observatory. The difficulty arises from the fact, that the directly ob... see more

The updated version of the ITalian Geomagnetic Reference Field (ITGRF) for 2000.0 and its secular variation modelup to 2005.0 are presented in this paper. The main field model is based on a simple polynomial approximation inlatitude and longitude of the g... see more

In the field of geomagnetism a number of studies have been devoted to the investigation of turbulence and intermittencyin the outer core fluid motions. Here, in order to obtain information on such phenomena we studythe time spectral and self-similarity fe... see more

Taking advantage of the measurements undertaken during the Albanian and Italian magnetic repeat station networks since 1990, as well as of a selected set of Ørsted satellite total field measurements, a magnetic reference model for the region comprising th... see more

In this paper we present a statistical study of the local time behaviour of low frequency (0.7-4.0 mHz) geomagnetic field fluctuation power at a low latitude station (corrected geomagnetic latitude 36.2°N). The analysis was conducted for two contiguous ye... see more

The signal amplitude of 22.1 kHz Very Low Frequency (VLF) waves, transmitted from the radio station Skelton, UK (GQD at 54.70 N, 2.80 W) and received at South France station (SID, Sudden Ionospheric Disturbance monitoring station at 460N, 20E) is studied ... see more

Since the beginning of geomagnetic recording at Tihany Geophysical Observatory, baseline instability has been observed, especially in the case of the old variation house. The regularly observed annual baseline change is independent from the type of magnet... see more

The aim of this work is to investigate the nature of the daily magnetic field perturbations produced by ionospheric and magnetospheric currents at high latitudes. We analyse the hourly means of the X and Y geomagnetic field components recorded by a meridi... see more

The Istituto Nazionale di Geofisica e Vulcanologia (INGV) has systematically undertaken the task of making measurements of the Earth's magnetic field in Italy. By tradition and because of the elongated geometric shape of our peninsula and islands, in Ital... see more

1 of 15.239 pages  |  10  records  |  more records»