Intertropical Convergence Zone Intertropical Convergence Zone The Intertropical Convergence Zone (ITCZ), known by sailors as the doldrums or the calms, is the area encircling Earth near the Equator, where the northeast and southeast trade winds converge. The ITCZ was originally identified from the 1920s to the 1940s as the "Intertropical Front" ("ITF"), but after the recognition in the 1940s and the 1950s of the significance of wind field convergence in tropical weather production, the term "ITCZ" was then applied. When it lies near the Equator, it is called the near-equatorial trough. Where the ITCZ is drawn into and merges with a monsoonal circulation,
The Trade Winds The Trade Winds The Trade Winds was an American pop group formed in Providence, Rhode Island. The group's members were Peter Andreoli (aka Peter Anders) and Vincent Poncia, Jr., and had previously had a hit single together (with a third member, Norman Marzano) under the name The Videls with a song called "Mr. Lonely", which hit #73 on the U.S. "Billboard" Hot 100 chart in 1960. After a few further single releases, The Videls folded, and Anders and Poncia began writing tunes with Phil Spector for groups such as The Ronettes and The Crystals. Recording under the name The Trade