The quasi-biennial oscillation is a pattern of
A) ice advances and retreats spanning 2 million years.
B) 22 year-long sunspot cycles.
C) reversing stratospheric winds above the tropics.
D) increases and decreases in carbon dioxide concentrations.
E) solar activity that takes about 2 years to complete its cycle.

Question

Quizplus · Accepted Answer

The quasi-biennial oscillation refers to a pattern of reversing stratospheric winds above the tropics, with an average period of about 28 to 29 months.

The Quasi-Biennial Oscillation Is a Pattern of