CL
Climate: Past, Present & Future

Walker Circulation

The Walker Circulation: what is it and why does it matter

The Walker Circulation: what is it and why does it matter

What is the Walker Circulation? The El Niño Southern Oscillation, or ‘ENSO’, is one of the major causes of year to year variability in Earth’s climate. ENSO is characterised by: changes in the temperature of the ocean’s surface in the tropical Pacific Ocean, and by changes in atmospheric circulation in an east-west direction above the Pacific Ocean.   Number two in that list is what makes ENS ...[Read More]