Variation of the Earth’s magnetic field strength in South America during the last two millennia: New results from historical buildings of Buenos Aires and re-evaluation of regional data

2015 ◽  
Vol 245 ◽  
pp. 15-25 ◽  
Author(s):  
Avto Goguitchaichvili ◽  
Juan Morales ◽  
Daniel Schavelzon ◽  
Carlos Vásquez ◽  
Claudia S.G. Gogorza ◽  
...  
2018 ◽  
Vol 18 ◽  
pp. 292-299
Author(s):  
Avto Goguitchaitchvili ◽  
Rafael García Ruiz ◽  
Susana Echeverría Castillo ◽  
Juan Morales ◽  
Soledad Ortiz ◽  
...  

2018 ◽  
Vol 279 ◽  
pp. 79-91 ◽  
Author(s):  
Avto Goguitchaichvili ◽  
Rafael García Ruiz ◽  
F. Javier Pavón-Carrasco ◽  
Juan Julio Morales Contreras ◽  
Ana María Soler Arechalde ◽  
...  

Author(s):  
SN Noskov ◽  
EG Golovina ◽  
OM Stupishina ◽  
GB Yeremin ◽  
NN Krutikova

Background: A man is constantly exposed to numerous environmental factors, including meteorological conditions of the earth and space weather. The study of human health effects of these factors is of increasing interest both for science and practice. Objective: To compare instrumental and computational methods for assessing the Earth’s magnetic field in selected territories for further identification of priority natural and climatic factors and development of region-specific measures for adaptation of the local population to climate change, which should be taken into account when conducting social and hygienic monitoring. Methods: Instrumental measurements of the Earth’s magnetic field strength were carried out on the territories of the Moscow, Voronezh, Rostov, and Krasnodar regions of the Russian Federation, in August 2020. The total number of measurements was at least 15 at each point. The studies were conducted in accordance with the existing approved standard. Results and discussion: The territories for the study were selected taking into account changes in the latitude of the area, which has a priority importance in the formation of natural and climatic conditions of these regions. During the research, it was found that there was no significant difference in the values of the Earth’s magnetic field strength during the day and at night, which is associated with the main error of the device (MTM-01 three-component magnetometer). The obtained instrumental values of the magnetic field strength index ranged from 37.1 to 40.51 A/m. When analyzing the results obtained, there is a tendency to increase the intensity of the Earth’s magnetic field in the direction from South to North (Krasnodar Territory, Rostov, Voronezh, Moscow regions). The range of calculated values of the intensity indicator was from 39.9 to 42.19 A/m. The obtained instrumental data correlate with the calculated values of the Earth’s magnetic field. Conclusions: We conducted instrumental studies complying with existing models for estimating the Earth’s magnetic field strength, thus enabling application of our estimates in scientific research.


Archaeometry ◽  
2011 ◽  
Vol 54 (2) ◽  
pp. 388-400 ◽  
Author(s):  
A. GOGUITCHAICHVILI ◽  
D. LOPONTE ◽  
J. MORALES ◽  
A. ACOSTA

1976 ◽  
Vol 32 ◽  
pp. 613-622
Author(s):  
I.A. Aslanov ◽  
Yu.S. Rustamov

SummaryMeasurements of the radial velocities and magnetic field strength of β CrB were carried out. It is shown that there is a variability with the rotation period different for various elements. The curve of the magnetic field variation measured from lines of 5 different elements: FeI, CrI, CrII, TiII, ScII and CaI has a complex shape specific for each element. This may be due to the presence of magnetic spots on the stellar surface. A comparison with the radial velocity curves suggests the presence of a least 4 spots of Ti and Cr coinciding with magnetic spots. A change of the magnetic field with optical depth is shown. The curve of the Heffvariation with the rotation period is given. A possibility of secular variations of the magnetic field is shown.


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