scholarly journals Magnetic measurements at Naples in the XIX century

1997 ◽  
Vol 40 (2) ◽  
Author(s):  
P. Gasparini ◽  
D. Pierattini
Keyword(s):  
Magnetic Field ◽  
Meteorological Parameters ◽  
Magnetic Measurements ◽  
Astronomical Observatory ◽  
Earth’S Magnetic Field ◽  
Earth's Magnetic Field ◽  
Macedonio Melloni ◽  
Xix Century

Measurements of elements of the Earth's magnetic field started in Naples in 1837 by the Astronomical Observatory. Declination and inclination daily averages were regularly published from 1840. In 1839 Macedonio Melloni was called in Naples by the Bourbon Government and asked to found an observatory to carry out regular measurements of geomagnetic elements and meteorological parameters. The observatory was built on Mt. Vesuvius and completed in 1848, but it started to operate only in 1852. Magnetic measurements were carried out in the following years, rather discontinuously, by Luigi Palmieri.

scholarly journals Magnetic Repeat Station Network on the Baltic Sea — Why So Needed?

2017 ◽  
Vol 24 (1) ◽  
pp. 19-30
Author(s):  
Elżbieta Welker ◽  
Jan Reda ◽  
Andrzej Pałka
Keyword(s):  
Magnetic Field ◽  
Baltic Sea ◽  
Magnetic Measurements ◽  
Navigation Systems ◽  
Earth’S Magnetic Field ◽  
Area Of Interest ◽  
Secular Variations ◽  
Earth's Magnetic Field ◽  
The Baltic ◽  
Base Data

AbstractThe development of navigation systems requires more and more accurate base data. Currently, attention is paid to utilization of geophysical fields — gravitational and magnetic ones — for navigation purposes. The Earth’s magnetic field distribution — both onshore and offshore — is complicated and variable in time. Hence, it is essential to precisely know the secular variations in the area of interest. In the case of Baltic Sea, this involves establishing (re-establishing) of a marine network of secular points (repeat stations) and regular magnetic measurements of the three independent components of the Earth’s magnetic field. Such measurements require equipment that ensures not only high stability, but also information about sensors’ orientation in relation to geographic north and to the level. This article presents a new project of the Baltic network of repeat stations and gives a solution for the instruments usable for quasi-absolute magnetic measurements.

scholarly journals International project INTERMAGNET and magnetic observatories of Russia: cooperation and progress

2018 ◽  
Vol 62 ◽  
pp. 02008
Author(s):  
Sergey Y. Khomutov
Keyword(s):  
Magnetic Field ◽  
Magnetic Measurements ◽  
Global Network ◽  
International Project ◽  
Published Data ◽  
Modern State ◽  
Earth’S Magnetic Field ◽  
International Network ◽  
Earth's Magnetic Field ◽  
Magnetic Observatories

Various aspects of international network of magnetic observatories INTERMAGNET such as standards, requirements for magnetic measurements, different status of published data, etc. are considered. Modern state of Russian segment of INTERMAGNET, its significance and contribution to global network are estimated. The features of monitoring of Earth’s magnetic field at observatories Paratunka (PET), Magadan (MGD), Khabarovsk (KHB) and Cape Schmidt (CPS) of IKIR FEB RAS and prospects are presented in detail.

Dating by archaeomagnetic and thermoluminescent methods

1970 ◽  
Vol 269 (1193) ◽  
pp. 77-88 ◽  
Keyword(s):  
Magnetic Field ◽  
Time Variation ◽  
Magnetic Measurements ◽  
The Other ◽  
Earth’S Magnetic Field ◽  
Other Hand ◽  
Earth's Magnetic Field

Magnetic measurements on orientated samples from the baked clay walls and floors of pottery kilns, etc., enable the ancient direction of the Earth’s magnetic field to be determined. This direction is recorded at the last firing by the phenomenon of thermoremanent magnetism. The time variation of this direction is found from measurements on structures of archaeologically known date and this information can then be used in reverse for dating. The above technique requires the existence of a reliable archaeological chronology. On the other hand, thermoluminescence measurements on fragments of pottery yield ages that are independent of existing chronologies. Thermoluminescent dating will therefore be valuable in checking the validity of the corrections to radiocarbon ages discussed in the preceding papers.

The Atlas of the Earth's Magnetic Field

2012 ◽  
Author(s):  
A. Soloviev ◽  
A. Khokhlov ◽  
E. Jalkovsky ◽  
A. Berezko ◽  
A. Lebedev ◽  
...  
Keyword(s):  
Magnetic Field ◽  
Earth’S Magnetic Field ◽  
Earth's Magnetic Field

Atlas of Earth's magnetic field

2011 ◽  
Vol 12 (2) ◽  
pp. 1-9
Author(s):  
A. E. Berezko ◽  
A. V. Khokhlov ◽  
A. A. Soloviev ◽  
A. D. Gvishiani ◽  
E. A. Zhalkovsky ◽  
...  
Keyword(s):  
Magnetic Field ◽  
Earth’S Magnetic Field ◽  
Earth's Magnetic Field

scholarly journals Night-time Sferic Propagation at Frequencies Below 10 KHz

1967 ◽  
Vol 20 (1) ◽  
pp. 101 ◽  
Author(s):  
KJW Lynn ◽  
J Crouchley
Keyword(s):  
Magnetic Field ◽  
Geographic Distribution ◽  
Angle Of Incidence ◽  
European Studies ◽  
Earth’S Magnetic Field ◽  
Night Time ◽  
The West ◽  
Earth's Magnetic Field ◽  
Effective Angle

Results of a study at Brisbane of individual night-time sferics of known origin are described. A propagation attenuation minimum was observed in the 3-6 kHz range. The geographic distribution of sferic types was also examined. Apparent propagation asynunetries were observed, since sferics were detected at greater ranges to the west than to the east at 10 kHz, whilst the number of tweek-sferics arising from the east was about four times that arising from the west. Comparison with European studies suggest that these asymmetries are general. These results are then " interpreted in terms of an ionospheric reflection cgefficient which is a function of the effective angle of incidence of the wave on the ionosphere and of orientation with respect to the Earth's magnetic field within the ionosphere.

Low absolute paleointensity during Late Miocene Noma excursion of the Earth’s magnetic field

2019 ◽  
Vol 287 ◽  
pp. 10-20 ◽  
Author(s):  
Kazuhiro Okayama ◽  
Nobutatsu Mochizuki ◽  
Yutaka Wada ◽  
Yo-ichiro Otofuji
Keyword(s):  
Magnetic Field ◽  
Late Miocene ◽  
Earth’S Magnetic Field ◽  
Earth's Magnetic Field
Sign in / Sign up

Export Citation Format

Share Document