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CLIMATIC CLASSIFICATION Climate of a place can be defined as the average weather conditions over a substantially long period of time. Weather, on the other hand is defined as atmospheric conditions of temperature, pressure, humidity, wind circulations etc. at a particular point of time. While climate is fairly constant over a long period of time. … Read more
Introduction (The Indian Monsoon) The word ‘monsoon’ has been derived from an Arabic word Mausim, which literally means season. Therefore, the word monsoon denoted a season in which the wind regime is completely reversed. For the people of India, monsoons are indicators of rain. The moist monsoon winds, after crossing the equator in Indian ocean, … Read more
Natural Hazards and Disasters in India Introduction India have distinct geo climatic conditions due to which almost every part of India is vulnerable to natural hazards and disasters. The Earth is undergoing dynamic changes due to which the internal and external force is working on the earth. Natural hazard is an event or phenomenon that … Read more
Climate of India (Hot Weather Season) INTRODUCTION Climate refers to the total of weather conditions and variations over a large area for a long period. Weather refers to the state of the atmosphere over an area for a shorter period. The elements of the weather and the climate are the same i.e. temperature, atmospheric pressure, … Read more
FLUVIAL GEOMORPHIC SYSTEM The fluvial cycle geomorphic system is powered by the conversion of the potential energy of solar distillation and gravity to the kinetic energy of motion and heat. Most of the energy is lost to the friction of internal turbulence of flowing water but perhaps 2 to 4 percent of the total potential … Read more
INTRODUCTION The rock weathering process alters the physical or chemical state of rocks at or near the surface of the earth, without without necessarily eroding or transporting the products of alteration. Weathering is an assemblage of rock-altering processes that are powered by exogenic solar energy. Weathering is distinguished from other destructive processes by the inclusion … Read more
Introduction (Weather and Climate) The term weather should not be confused with climate, though they are very closely related to each other in the study of meteorology and climatology. We don’t hear people saying that the climate of the day is warm or cold, but we do talk of warm weather, a cold morning, a … Read more
Tides Introduction Tides in the ocean are primarily concerned with the gravitational forces of the sun and moon. It may be pointed out that the earth rotates from west to east and revolves around the earth along an elliptical orbit. Similarly, the moon rotates from west to east and revolves around the earth along an … Read more
Hydrological Cycle Water continuously between the atmosphere and the earth’s surface (lithosphere) and known as the hydrological cycle. The energy for energy for driving the cycle and thus ensuring a constant supply of fresh-water on land comes from sun. Solar heat evaporates water from the ocean which is the great reservoir of water. A lesser … Read more
Ocean Currents Introduction (Ocean Currents) The general movement of a mass of oceanic water in a definite direction is called oceanic current which is more or less similar to water streams (rivers) flowing on the land surface of the earth. Ocean currents are the most powerful of all the dynamics of oceanic waters because these … Read more