(from the article `climate`) ...schemes are intended for global- or continental-scale application and define regions that are major subdivisions of continents hundreds to ... Found on http://www.britannica.com/eb/a-z/m/6
A term used to describe the climate of a large area, such as a entire wine-producing region. Related terms include mesoclimate and microclimate. The macroclimate has an obvious effect on the grapes. Found on http://www.encyclo.co.uk/local/21497
Designation (also large climate) for a relatively large area of the earth with a horizontal extension of at least 500 to several thousand kilometres, where the same climatic conditions prevail. There are a dozen macro/major climates on earth; see Climate. Found on https://glossary.wein.plus/macroclimate