Sentences with phrase «field intensity»

This could point to a dampening of the geomagnetic field intensity reconstruction in CALS10K.1 b but it could as well be due to undetected climatic influences on the 10Be flux.
2) The paper I referenced states that the proxy magnetic field intensity derived from sea floor sediment data does not match obital frequencies however other papers state that it does.
Tarduno and his team found a sharp 30 percent drop in magnetic field intensity from 1225 to 1550 AD.
The rubbish comment noted that geomagnetic field intensity changes do not correlate with the ice age cycles.
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.
Measurements of the strength of magnetisation can only provide relative variations of past field intensity, and only if the changes can be suitably normalised in order not to reflect lithological or environmental changes.
When scientists changed the magnetization directions in two layers, making them parallel, this effect almost disappeared: field intensity experienced twentyfold decrease.
Meant «Muscheler et al, Geomagnetic field intensity during the last 60,000 years based on 10Be and 36Cl from the Summit ice cores and 14C, Quat.
We normalised the cosmogenic radionuclide records in order to obtain the same average geomagnetic field intensity as indicated by the CALSxk.x models for the studied time intervals.
Averages over 3, 7 and 10 kyrs from the CALSxk models (Figs. 2b — 2d) suggest that, although there are zonal differences of minimum field intensity, the southern Atlantic is no preferred location for the minimum field strength.
Field intensity distribution at the Earth surface predicted by spherical harmonic field models averaged over 400 years (a) model gufm1, 3 kyrs (b) model CALS3k.4, 7 kyrs (c), outdated model CALS7K.2 and 10 kyrs (d) model CALS10k.1 b.
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.
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 rubbish comment noted that geomagnetic field intensity changes do not correlate with the ice age cycles.
See Page 4 - 22, Figure 9: Geomagnetic field intensity level derived from composite volcanic records, not sea floor sediments, for the past 45 kyr.
Oriented archeomagnetic samples can provide information about field directions, and past field intensity can be determined in laboratory experiments.
Loggerhead turtles sense latitude by the planet's magnetic field intensity, and new research finds they're good at determining their longitude, too, probably via the field's inclination.
Given that the field intensity in the region is also declining today — though less rapidly, as measured by satellites — the research team believes that the process causing the weakening field may be a recurring feature of the magnetic field.
A study published last week in Current Biology suggests eels generate a «magnetic map» of their surroundings that lets them read their location based on the field intensity, and use this map to find the Gulf Stream and catch a free ride to Europe.
Previous studies, led by Kenneth J. Lohmann of the University of North Carolina, had shown that hatchling loggerhead turtles can detect features of magnetic fields known as inclination angle and field intensity.
Comments: 1) The geomagnetic field researchers do not even have a hypothesis as to why there are cyclic changes in the geomagnetic field intensity.
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.
Previous studies of the effect focused mainly on the variations in field intensity.
Vukcevic, the correlation in the magnetic field intensity and arctic temp anomaly is way too good to be a coincidence.
M77 says: June 8, 2010 at 12:45 am Vukcevic, the correlation in the magnetic field intensity and arctic temp anomaly is way too good to be a coincidence.
Here, we aim to summarise present knowledge about the Holocene magnetic field evolution and remaining uncertainties, mainly concentrating on the dipole contribution and only briefly mentioning progress in describing regional differences in field intensity.
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.
Figure 2a shows that the SAA can be clearly recognised in an average of field intensity at the Earth's surface from 1590 to 1990 as predicted by the gufm1 model by Jackson et al. (2000).
Most importantly, no relative intensity records were used, so that field intensity particularly in the early millennia was determined by very few archeomagnetic intensity data only.
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.
Comments: 1) The geomagnetic field researchers do not even have a hypothesis as to why there are cyclic changes in the geomagnetic field intensity.
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