Sentences with phrase «geomagnetic field intensity»

3) Other indications of the absolute failure of the geomagnetic field model is the so called heat flux problem or the recent discovery of very, very rapid geomagnetic field intensity and inclinition changes (All researchers agree that the very, very rapid field changes could not possibly be due to changes in the earth's core.

The rubbish comment noted that geomagnetic field intensity changes do not correlate with the ice age cycles.

Obviously, Figure 9 shows that 40 kyrs ago the earth's magnetic field intensity was 75 % less (2 × 10 ^ 22Am ^ 2) than the geomagnetic field's current intensity (8 × 10 ^ 22Am ^ 2) and that the earth's magnetic field intensity peaked at around (12 × 10 ^ 22Am ^ 2) and has dropped 30 % in the last 1000 years and that the geomagnetic field intensity is now dropping at the rate of 5 % / 100 yrs.

The results show that the time - averaged geomagnetic field intensity over the past 5 million years is about 60 percent of the field's intensity today and aligns with the GAD hypothesis, both in direction and intensity.

The 14C production record and the 10Be flux records have been converted into geomagnetic field intensity estimates based on the results of Masarik & Beer (1999) after the low - pass filtering.

An alternative recorder for past geomagnetic field changes are cosmogenic radionuclide production rates, which are modulated by variations of both the solar magnetic field strength and the geomagnetic field intensity.

The cosmogenic radionuclide records have been low - pass filtered by a rectangular function in the frequency domain with different cut - off frequencies in order to minimise the solar influence and to investigate the time scales on which we see common changes in the radionuclide production rates and the geomagnetic field intensity reconstructions.

Similarly to the solar magnetic modulation, high geomagnetic field intensity decreases the flux of galactic cosmic rays and radionuclide production rates and the opposite for low geomagnetic field intensity.

3) Other indications of the absolute failure of the geomagnetic field model is the so called heat flux problem or the recent discovery of very, very rapid geomagnetic field intensity and inclinition changes (All researchers agree that the very, very rapid field changes could not possibly be due to changes in the earth's core.

See Page 4 - 22, Figure 9: Geomagnetic field intensity level derived from composite volcanic records, not sea floor sediments, for the past 45 kyr.

Obviously, Figure 9 shows that 40 kyrs ago the earth's magnetic field intensity was 75 % less (2 × 10 ^ 22Am ^ 2) than the geomagnetic field's current intensity (8 × 10 ^ 22Am ^ 2) and that the earth's magnetic field intensity peaked at around (12 × 10 ^ 22Am ^ 2) and has dropped 30 % in the last 1000 years and that the geomagnetic field intensity is now dropping at the rate of 5 % / 100 yrs.

Not exact matches

The records document that the Laschamp Excursion was characterized locally by (1) declination changes of ± 120 °, (2) inclination changes of more than 140 °, (3) ~ 1200 - year oscillations in both inclination and declination, (4) near 90 ° out - of - phase relationships between inclinations and declinations that produced two clockwise loops in directions and virtual geomagnetic poles (VGPs) followed by a counterclockwise loop, (5) excursional VGPs during both intervals of clockwise looping, (6) magnetic field intensities less than 10 % of normal that persisted for almost 2000 years, (7) marked similarity in excursional directions over ~ 5000 km spatial scale length, and (8) secular variation rates comparable to historic field behavior but persisting in sign for hundreds of years.

I know that Usoskin et al. have recently suggested a latitudinal dependence of nebulosity - CR relationship, with strongest correlations observed over 20 - 55 ° S and 10 - 70 ° N. I guess that cosmic ray intensity could varies over the globe in relation to geomagnetic field.

And here we see De Vries Cycle intensity modulated by geomagnetic field strength over the past 11,000 years.

Dipole intensity estimates from cosmogenic radionuclide production records, with suitable filtering to minimise the solar influence, have also been included in the comparison to provide independent information about variations in the strength of the geomagnetic field.

Knowledge about geomagnetic field directions and intensity prior to direct observations comes from archeo - and paleomagnetic data.

I am not sure why the response to the hypothesis that changes in the intensity of the geomagnetic field, triggers / controls the timing of the ice ages in this forum was «rubbish».

The records document that the Laschamp Excursion was characterized locally by (1) declination changes of ± 120 °, (2) inclination changes of more than 140 °, (3) ~ 1200 - year oscillations in both inclination and declination, (4) near 90 ° out - of - phase relationships between inclinations and declinations that produced two clockwise loops in directions and virtual geomagnetic poles (VGPs) followed by a counterclockwise loop, (5) excursional VGPs during both intervals of clockwise looping, (6) magnetic field intensities less than 10 % of normal that persisted for almost 2000 years, (7) marked similarity in excursional directions over ~ 5000 km spatial scale length, and (8) secular variation rates comparable to historic field behavior but persisting in sign for hundreds of years.

The real problem is the volcanic data and sea sediment data (proxy data that is used to determine the intensity of the geomagnetic field) indicates that climate changes directly affects the intensity of geomagnetic field.