The Geomagnetic Field
The Geomagnetic Field
... self-generated Geomagnetic Field may be located in the Outer Core, considered as the convective zone of the ...magnetic field is produced by some special mechanism, like the one producing the ...
8
Semi annual variation of the geomagnetic field
... Earth Planets Space, 51, 321?328, 1999 Semi annual variation of the geomagnetic field S R C Malin1, D E Winch2, and A M Is??kara1 1Bog?azic?i University, Kandilli Observatory and Earthquake Research I[.] ...
8
Stochastic forecasting of the geomagnetic field from the COV OBS x1 geomagnetic field model, and candidate models for IGRF 12
... the geomagnetic field. The radial field at the outer core surface is advected by core motions governed by an auto-regressive process of order ...magnetic field) is made possible thanks to the ...
14
Inner Core Translation and the Hemispheric Balance of the Geomagnetic Field
... This is a repository copy of Inner Core Translation and the Hemispheric Balance of the Geomagnetic Field.. White Rose Research Online URL for this paper: http://eprints.whiterose.ac.uk[r] ...
35
Effect of magnetic anisotropy on the experimentally determined palaeointensity of the geomagnetic field
... laboratory field F L dur- ing the Thellier experiment is parallel to the NRM, the NRM versus pTRM plot will give the correct palaeointensity value ( ± 6%) independent of the angle between the geomagnetic ...
9
Automation of absolute measurement of the geomagnetic field
... This corresponds to an angle error of 4 arcsec perpendicular to a total force of 50,000 nT, which we regard as design goal for any new instrument. Fully automated observatories, which do not require manual operation of ...
8
A model of the secular change of the geomagnetic field for Antarctica
... observation, both the main field at epoch and the anomaly bias of the observatory are cancelled out because they are not functions of time (Haines, 1993). Taking the differences relative to the means over all data ...
19
Modelling of spatial temporal changes of the geomagnetic field in Japan
... accurate geomagnetic field values for Japan and are widely used as a reference for the study of local geomagnetic anomalies in this ...International Geomagnetic Reference Field ...the ...
7
Further efforts at training pigeons to discriminate changes in the geomagnetic field
... Mean rate of responding in successive trials within sessions to the rewarded (S+) and nonrewarded alternative (S—) in training to detect (A) a 600-Hz tone and (B) a 90° change in magneti[r] ...
6
Evidence that fin whales respond to the geomagnetic field during migration
... We did Monte Carlo simulations to test the hypothesis that fin whale sighting positions in the southern region of the CETAP study area were associated with one or more of the geophysical[r] ...
14
A generating process of geomagnetic drifting field
... The geomagnetic field is comprised of drifting and standing ...drifting field has two remarkable ...the field is expressed in a spherical harmonic series, and the other is uniform drift rate ...
20
Variations of time derivatives of the horizontal geomagnetic field and horizontal geomagnetic field along 96-degree magnetic meridian
... geoelectric field is associated varying geomagnetic field, indicating that the time derivatives of the geomagnetic field provide direct representation for GIC activity, especially with ...
14
Magnetospheric and Ionospheric Sources of Geomagnetic Field Variations
... of geomagnetic storms and substorms ...the geomagnetic field. Among the possible short-term geomagnetic variations, the smoothest and most regular is that observed on magnetically quiet days, ...
8
The time varying geomagnetic field of Southern Africa
... The geomagnetic field at any given epoch is a function of space coordinates, varying differently at each location with ...the field changes more rapidly than elsewhere, like for instance southern ...
6
Geomagnetic Field Tracker for Deorbiting a CubeSat Using Electric Thrusters
... the geomagnetic field vector using magnetorquers so that the thruster can dissipate the kinetic energy of the nanosatellite during half of the ...magnetic field vector reading in the ...
24
Occurrence of Similar Periods in Geomagnetic Field Variations and Solar Activity
... Stamper et al., 1999; Echer et al., 2004). The time rate of occurrence of a phenomenon is an essential concept in the scientific world, hence, scientists and meteorologists observe phenomena in terms of time series, as ...
19
Daily variations of geomagnetic HD and Z field at equatorial latitudes
... OF GEOMAGNETIC FIELD AT EQUATORIAL LATITUDES ...the geomagnetic daily diurnal variation got from the hourly mean values of H D and Z components at Huancayo on each of the five IQDs for the month of ...
7
Methods of analysis of geomagnetic field variations and cosmic ray data
... magnetic field, such as the horizontal component of the geomagnetic field, in addition to methods for evaluating changes in the energy characteristics of the field and for isolating the ...
17
Natural sources of geomagnetic field variations
... magnetic field is a dynamic system and varies on a wide spectrum of timescales from microseconds to hundreds of millions of ...the field is the self-sustaining geodynamo action of the Earth’s liquid outer ...
16
International Geomagnetic Reference Field—the tenth generation
... International Geomagnetic Reference Field (IGRF) 10th Generation was adopted in 2004 by the Inter- national Association of Geomagnetism and Aeronomy (IAGA) Working Group ...
6