GEOG 101 Lecture Notes - Lecture 13: Polar Climate, Cool Air, Anticyclone
Document Summary
These are the major winds blowing over the earth frequently and consistently and which influence the world weather. Blow from sub-tropical high pressure zone and blow to the equatorial low pressure belt: trade winds. Originate from sub-tropical high pressure zone and blow to the temperate low pressure belt: westeries. Originate from polar high pressure zone and blow to temperate low pressure zone: the polar easteries. Seasonal winds which reverse in the direction of flow. They blow towards the land during summer (onshore) and from the land during winter (off shore). Bring heavy rains when onshore which can cause severe flooding. Well developed in the indian sun-continent, china, japan and s. e asia. Distinct large parcels of air moving in one direction. Originate from areas of uniform weather and topography from where they derive their characteristics e. g. flat areas, forests, deserts, and snow covered areas. Retains its characteristics when it moves away. Types of air masses: equatorial air mass.
