Notes and Study material for Exams
Demographic dividend and transition Demographic dividend The term “demographic dividend” (DD) refers to the accelerated economic Growth that a country can achieve when it has a low dependency ratio or, in other words, when the proportion of its Population that is of working age is greater than the proportion of its population that … Read more
The Mighty Push: Understanding Forces of Compression and Orogenic Processes The Earth’s surface is a dynamic tapestry, constantly reshaped by the relentless forces within its depths. Among these forces, compression plays a pivotal role, driving the creation of some of the most dramatic and awe-inspiring landscapes on our planet. This article delves into the fascinating … Read more
The Northeast Trade Winds: A Vital Force Shaping Weather and Climate The Northeast Trade Winds, a consistent and powerful wind system that blows from the northeast towards the equator, are a defining feature of the global atmospheric circulation. These winds play a crucial role in shaping weather patterns, influencing ocean currents, and impacting ecosystems across … Read more
Lunar Eclipse A lunar eclipse happens at a Full Moon, when the Moon’s tilted orbit brings it into the Earth’s shadow, which can then be seen cast onto the Moon. While not as spectacular as a total Solar Eclipse, a lunar eclipse is much easier to see; and a total lunar eclipse is an amazing … Read more
Marine Resources – Economic significance and EEZ Economic significance of Marine Resources Marine energy Marine energy or marine power (also sometimes referred to as ocean energy, ocean power, or marine and hydrokinetic energy) refers to the energy carried by ocean waves, tides, salinity, and ocean temperature differences. The movement of water in the … Read more
The Birth of Plate Tectonics: Arthur Holmes and the Convectional Current Theory The Earth’s surface is a dynamic tapestry of continents and oceans, constantly shifting and reshaping over millions of years. This dynamic nature, known as plate tectonics, is a fundamental concept in geology, explaining phenomena like earthquakes, volcanic eruptions, and mountain formation. However, the … Read more
A Journey Through Time: Stalactites, Stalagmites, and Pillars – Groundwater Depositional Landforms The Earth’s surface is a canvas of intricate and diverse landforms, each telling a story of geological processes that have shaped our planet over millennia. Among these captivating formations, stalactites, stalagmites, and pillars stand out as testaments to the slow, persistent work of … Read more
The Enchanting World of Lakes: A Journey Through Diverse Aquatic Ecosystems Lakes, those shimmering jewels scattered across the Earth’s surface, are more than just bodies of water. They are complex ecosystems teeming with life, playing vital roles in the global water cycle, supporting biodiversity, and providing essential resources for human societies. This article delves into … Read more
The Foundation of a Healthy Environment: A Comprehensive Guide to Drainage Systems Drainage systems are the unsung heroes of our built environment, silently working behind the scenes to ensure the smooth flow of water and prevent its detrimental effects. From the intricate network of pipes beneath our streets to the sophisticated drainage solutions in our … Read more