Albedo is the proportion of insolation that is reflected back by the surface. It depends upon the nature of the surface upon which the solar radiation is incident and the angle of incidence of the solar beam.
Lake Ontario is one of the five Great Lakes of North America. It is bordered by the Canada and United States. It is the only Great Lake not to border the state of Michigan.
The Harmattan winds are hot and dry winds which originate from the Sahara Desert and blow towards the Guinea coast of Africa. As these winds arrive on the western coast of Africa, the weather turns into pleasant dry weather with low relative humidity, thus bringing great relief to the people. Due to this reason, they are also known as doctor winds.