Sentences with phrase «extreme upper atmosphere»

THE comings and goings of noctilucent or «night shining» clouds in the extreme upper atmosphere may be linked to the sun's rotation.

Not exact matches

The agency is now planning to test VLF transmissions in the upper atmosphere to determine whether or not they can successfully remove the excess charged particles that often appear during extreme space weather events — particles that could disrupt radio waves and / or the power grid, The Atlantic said.

Section 1 contains five subsections with results on 27 - day response of low - latitude ionosphere to solar extreme - ultraviolet (EUV) radiation, response to the recurrent geomagnetic storms, long - term trends in the upper atmosphere, latitudinal dependence of total electron content on EUV changes, and statistical analysis of ionospheric behavior during prolonged period of solar activity.

The lower thermospheric temperatures, as a consequence of an unusually long minimum in solar extreme - ultraviolet flux, not only decreased density, but the contraction of the upper atmosphere also lowered the height of the peak of the ionospheric F - layer.

Additionally, he said they lack the physical evidence of what are known as «dynamical links,» — physical ties within elements of the Earth's climate system, such as the upper oceans and lower atmosphere — between Arctic warming and extreme events.