DMPQ-. Explain the phenomenon of origin of tropical cyclones.

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. This is one of the most devastating natural calamities. They are known as Cyclones in the Indian Ocean, Hurricanes in the … Read more

DMPQ-. Discuss the forces affecting velocity and direction of wind.

The wind blows from high pressure to low pressure. The wind at the surface experiences friction. In addition, rotation of the earth also affects the wind movement. The force exerted by the rotation of the earth is known as the Coriolis force. Thus, the horizontal winds near the earth surface respond to the combined effect … Read more

DMPQ- What is temperature inversion and how does it effect atmosphere?

Normally, temperature decreases with increase in elevation. It is called normal lapse rate. At times, the situations is reversed and the normal lapse rate is inverted. It is called Inversion of temperature. Inversion is usually of short duration but quite common nonetheless. A long winter night with clear skies and still air is ideal situation … Read more

DMPQ- Classify Himalayas on the bases on relief, alignment of ranges and other geomorphological features.

Based on relief, alignment of ranges and other geomorphological features, the Himalayas can be divided into the following sub-divisions: Kashmir or Northwestern Himalayas  Kashmir or Northwestern Himalayas consist of a series of ranges such as the Karakoram, Ladakh, Zanskar, and Pir Panjal. Important glaciers of South Asia, i.e., the Baltoro and Siachen are found in … Read more

DMPQ- Discuss the factors affecting temperature distribution of Ocean water.

The following factors affect the distribution of temperature of ocean water: Latitudes The temperature of surface water decreases from equator towards the poles because the sun’s rays become more and more slanting and thus the amount of insolation decreases poleward accordingly. The temperature of surface water between 40°N and 40°S is lower than air temperature … Read more

DMPQ- . What is Geomorphic process ? Explain Diastrophism in detail.

The endogenic and exogenic forces causing physical stresses and chemical actions on earth materials and bringing about changes in the configuration of the surface of the earth are known as geomorphic processes. Diastrophism and volcanism are endogenic geomorphic processes. A process is a force applied on earth materials affecting the same. An agent is a … Read more

DMPQ- Classify the volcanos based on the forms they develop.

Shield Volcanoes The second type may be familiar to you from news reports from Hawaii: the shield volcano. This type of volcano can be hundreds of miles across and 10,000 feet high. A shield volcano is characterized by gentle upper slopes (about 5 degrees) with somewhat steeper lower slopes (about 10 degrees). The shield volcanoes … Read more

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