The exact cause of the changes in circulation patterns is not known and they may be due to natural variability.

The building's odd circulation pattern will generally be retained, with about the same number of levels within seven stories.

Might cacophony be a good image to describe circulation patterns?

f you're changing the temperature at one end, it's going to change your circulation patterns.

But for good quantitative answers you need the best models on atmospheric circulation patterns.

It takes a thousand years for this circulation pattern to be completed.

Also of note are changes in the atmospheric circulation patterns.

The circulation pattern can be thought of as made up of several contributions.

All that keeps them together as nations is the stability of the circulation patterns.

That event ended between 1850 and 1900, but the circulation patterns it initiated may still be in effect, he believes.