"Wind circulation" refers to the movement of air in the Earth's atmosphere. It involves the flow of air from areas of high pressure to areas of low pressure, creating different wind patterns. Full definition
Another possibility might be that pollutants could cause changes in wind circulation patterns on a weekly basis. (realclimate.org)
The more traditional candidates included changes in ice and snow cover, ocean currents, or the pattern of wind circulation and storms. (history.aip.org)
Many believe changes in wind circulation related to global warming played a part. (nrdc.org)