Notes and Study material for Exams
Origin of the Monsoon: Classcial Theories: Halley’s Thermal concept: Indian monsoon is because of contrast between Indian Subcontinent and adjoining Indian Ocean. Halley’s theory, suggested in 1686, considers the summer monsoon to be a regional phenomenon. Aerological concept: This was suggested by R. Scherhag in 1948. According to this theory, monsoon circulation develops due to … Read more
Pressure and wind belts Atmospheric Pressure, also called barometric pressure, force per unit area exerted by an atmospheric column (that is, the entire body of air above the specified area). Atmospheric pressure can be measured with a mercury barometer (hence the commonly used synonym barometric pressure), which indicates the height of a column of mercury … Read more
The West Wind Drift is a major surface current in the Southern Ocean. It is part of the Antarctic Circumpolar Current, which flows clockwise around Antarctica. The West Wind Drift is the strongest current in the Southern Ocean, and it has a significant impact on the climate of the region. The West Wind Drift is … Read more
The Southeast trade winds are a prevailing wind found in the tropics, blowing from the southeast towards the northeast. They are part of the trade wind belt, which is a band of strong, easterly winds that encircle the Earth near the equator. The Southeast trade winds are caused by the difference in temperature between the … Read more
The Northeast trade winds are a prevailing wind found in the tropics, blowing from the northeast towards the southwest. They are part of the trade wind belt, which is a band of easterly winds that circles the Earth near the equator. The Northeast trade winds are strongest in the winter and weakest in the summer. … Read more