Sentence examples for variation field from inspiring English sources

Contrary to the variation field, there is a rapid decrease of all components at high latitudes.

Also, as opposed to the variation field, all components have quite comparable magnitudes at all latitudes.

Anyway, we may obviously conclude that the layered earth structure in Japan provides an explanation for the observed correlation of GIC with the magnetic variation field.

Therefore, a 5th degree polynomial was the best choice for main field modelling, while a 2nd degree polynomial was best suited to derive secular variation field models.

We obtained the annual secular variation field values by calculating the change between the main field polynomial models of January and December (Figs. 2, 3 and 4).

The time derivative provides a different viewpoint from the variation field, especially when geomagnetically-induced currents are of interest (Viljanen et al., 2001, 2006; Trichtchenko and Boteler, 2004).

The linear variation fields and their parameters play an important role in map assessments.

The surface impedance expresses the relation between the horizontal geoelectric and geomagnetic variation fields at the earth's surface.

Studying the properties of the surface impedance enables conclusions about the corresponding relation between the surface electric and magnetic variation fields in the time domain.

The surface impedance is defined to give the ratio between horizontal geoelectric and geomagnetic variation fields at the earth's surface in the frequency domain.

Chordomas exhibit a significant amount of histopathological variation from field to field, such that not all diagnostic features may be seen in a small specimen [ 6, 8, 17].