Category: Geography

What is a tropical cyclone? Why don’t tropical cyclones form within 5° of the equator?

What is a tropical cyclone? Tropical cyclones are violent storms that originate over oceans in tropical areas and move over to the coastal areas bringing about large scale destruction caused by violent winds, very heavy rainfall and storm surges. Tropical cyclones are called “hurricanes” in the Atlantic, the Caribbean and northeastern Pacific, “typhoons” in the western …

Difference Between Thermal Power and Hydel Power

Difference Between Thermal Power and Hydel Power: The following are the points of difference between thermal power and hydel power. Thermal Power Hydel Power Thermal power is that power that is generated by consuming fossil fuels and atomic minerals. Coal, natural gas, petroleum, thorium, radium etc. Hydel power is generated by using water to move turbines. …

Sand Dunes and its Types

Sand Dunes: A sand dune is any hill of loose sand shaped by the wind. Dunes are one of the most common types of eolian landforms. They form where there is a source of sand- for example, a sandstone formation that weathers easily and releases individual grains, or perhaps a beach supplied with abundant sand from …

Formation of the Earth

Formation of the Earth: The earth is a planet, so it was also formed just like other planets. In the beginning, the earth was a huge collection of cold objects called planetesimals. These planetesimals which formed the earth came from two regions- from the region occupied by the inner planets like Mercury and Venus, and from …

The Case of Pangea

Pangea: At present we have seven big continents or landmasses on the surface of earth or on the lithosphere. These continents are North America, South America, Africa, Europe, Asia, Australia and Antarctica, which are separated by the oceans. In the year 1912, German Scientist Alfred Wegener suggested that all the present separate continents had in the …

Deforestation Causes and Consequences

What is Deforestation? Deforestation means clearing of forests to claim land for use by man. In other words, removal, decrease or deterioration of forested area is called deforestation. It is a serious threat to our economy, quality of life and environment. It is the direct outcome of the increasing demand for croplands for feeding the rapidly …