Sentence examples for secular variations from inspiring English sources

Hence, the equatorial electrojet current does not contribute to secular variations.

It is expected that paleomagnetic direction also has secular variations of such timescales.

In contrast, directional secular variations of such timescales were far less studied.

But these models cannot be directly used to predict geomagnetic secular variations.

Rainfall shifts could be better explained as secular variations rather than as being caused by changes to forests.

The annual mean values of magnetic observations are used to determine the secular variations of the geomagnetic field components.

The origin of the secular variation is not known.

If maps of secular variation from successively later times are examined, many features of the secular variation are found to be displaced westward with time.

Changes of very short duration compared with geologic processes are called secular variation.

Secular variation of the non-dipole components, however, are usually presented as maps.

paleomagnetic secular variation.