Notes and Study material for Exams
The Steppe Climate: A World of Extremes The steppe climate, also known as the semi-arid climate, is a fascinating and challenging environment that stretches across vast regions of the world. Characterized by its unique combination of dry conditions, extreme temperature fluctuations, and sparse vegetation, the steppe climate presents a unique set of challenges and opportunities … Read more
Aquatic systems are not called biomes, The major differences between the various aquatic zones are due to salinity, levels of dissolved nutrients; water temperature, depth of sunlight penetration. Fresh Water Ecosystem-Fresh water ecosystem are classified as lotic (moving water) or lentic (still or stagnant water). Marine Ecosystem- Estuaries-Coastal bays, river mouths and … Read more
Alfred Wegner was a German Meteorologist in the early 1900s who studied ancient climates. Like most people, the jigsaw puzzle appearance of the Atlantic continental margins caught his attention. He put together the evidence of ancient glaciations and the distribution of fossil to formulate a theory that the continents have moved over the … Read more
Minor Relief of the Ocean Floor: Unveiling the Subtle Sculptures of the Deep The ocean floor, a vast and enigmatic realm, is not a monotonous expanse of flat sediment. It is a landscape sculpted by tectonic forces, volcanic activity, and the relentless erosion of currents and waves. While towering mountains and deep trenches dominate the … Read more
Introduction to Continents and Ocean Basins Continents and ocean basins being fundamental relief features of the globe are considered as ‘relief features of the first order’. It is, therefore, desirable to inquire into their mode of possible origin and evolution. Different views, concepts, hypotheses and theories regarding the origin of the continents and ocean basins … Read more
Oceans – Bottom Relief Four major divisions can easily be identified on the ocean floor: The continental shelf, the continental slope, the continental rise, the abyssal plain. Besides these, there are many associated features—ridges, hills, seamounts, guyots, trenches, canyons, sleeps, fracture zones, island arcs, atolls, coral reefs, submerged Fisheries of the world. A shoal is … Read more
The Hidden World Beneath the Waves: Exploring the Ocean Floor and its Features The ocean floor, a vast and mysterious realm, covers over 70% of our planet’s surface. It is a world of darkness, immense pressure, and unique life forms, harboring secrets that have captivated explorers and scientists for centuries. This article delves into the … Read more
The Forces of Tension: Shaping the Earth’s Surface Through Orogenic Processes The Earth’s surface is a dynamic tapestry, constantly reshaped by the relentless forces of plate tectonics. Among these forces, tension plays a pivotal role, driving the creation of dramatic landscapes and influencing the distribution of resources. This article delves into the fascinating world of … Read more
Climatic Regions of India : Koeppen’s Classification Climate Type Climatic Region Annual Rainfall in the Region Amw (Monsoon type with shorter dry winter season) Western coastal region, south of Mumbai over 300 cm As (Monsoon type with dry season in high sun period) Coromandel coast = Coastal Tamil Nadu and adjoining areas of Andhra Pradesh … Read more
The Enigmatic Embrace of Mid-Latitude Deserts: A Journey into Aridity The Earth’s diverse tapestry of climates paints a vibrant picture of our planet’s dynamic systems. Among these, the arid landscapes of deserts stand out as stark and captivating, often perceived as desolate and unforgiving. Yet, within this perceived barrenness lies a complex ecosystem teeming with … Read more