Notes and Study material for Exams
Temperature: The Foundation of Weather and Climate Temperature, the degree of hotness or coldness of a substance, is a fundamental element of both weather and climate. It plays a crucial role in shaping the physical environment, influencing everything from the distribution of plant and animal life to the formation of weather patterns and the severity … Read more
The East Australian Current: A Lifeline for Life and a Force of Change The East Australian Current (EAC), a powerful, warm ocean current flowing southward along Australia’s east coast, is a vital component of the region’s marine ecosystem and a significant driver of climate patterns. This article delves into the multifaceted nature of the EAC, … Read more
El Nino El Niño is the name given to the occasional development of warm ocean surface waters along the coast of Ecuador and Peru. When this warming occurs the usual upwelling of cold, nutrient rich deep ocean water is significantly El Niño normally occurs around Christmasand usually lasts for a few weeks to a few months. Sometimes … Read more
Oceanic Resources of India and their potential Oceans are the world’s single largest ecosystem, covering nearly three-fourths of the earth’s surface, thereby providing a massive arena for emerging complex and interconnected development issues such as Climate change, livelihoods, commerce, and security. According to estimates by the Global Ocean Commission, ocean resources contribute five … Read more
A tsunami is a very long-wavelength wave of water that is generated by sudden displacement of the seafloor or disruption of any body of standing water. Tsunami are sometimes called “seismic sea waves“, although they can be generated by mechanisms other than Earthquakes. Tsunami have also been called “tidal waves”, but this … Read more
Three Geological divisions: The peninsular block The Himalayas and other Peninsular Mountains Indo-Ganga-Brahmaputra Plain Peninsualar block is made of gneisses (metamorphic) and granites (igneous). Six physiographic divisions: The Northern and North-eastern Mountains The Northern Plain The Peninsular Plateau The Indian Desert The Coastal Plains The Islands Northern and North-Eastern Mountains Approximate length of the … Read more
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 changes in air … Read more
The Genesis of Our World: A Journey Through Earth’s Origin and Evolution The Earth, our home, is a dynamic and complex planet with a rich history spanning billions of years. Its formation and evolution are intertwined with the birth and evolution of the solar system itself, a story that begins with the collapse of a … Read more
Understanding Tsunamis: A Comprehensive Guide Tsunamis, often referred to as “tidal waves,” are a devastating force of nature capable of causing widespread destruction and loss of life. These giant waves, triggered by sudden disturbances in large bodies of water, can travel thousands of miles across oceans, wreaking havoc upon coastal communities. This comprehensive guide delves … Read more
Conventional and New Source of Energy Energy is one of the most important component of economic Biomass, coal, Geothermal Energy, hydroelectric energy, Nuclear Energy, oil and natural gas, solar energy, and wind energy. Biomass is a RENEWABLE ENERGY source that comes from plants and other organic materials. Biomass can be used to … Read more