Notes and Study material for Exams
The Major Indian River Systems: A Lifeline for a Nation India, a land of diverse landscapes and vibrant cultures, is also home to an intricate network of rivers that have shaped its history, civilization, and economy. These rivers, flowing through the vast expanse of the subcontinent, are not just geographical features; they are lifelines, providing … Read more
located where river meets the sea. the most productive water bodies in the world The complete salinity range from 0-35 ppt is seen from the head (river end) to the mouth (sea end) of an estuary Coastal lakes which have their connection with the sea through small openings are better known as lagoons or … Read more
Broad Physical Feature: Mountains, Plateaus, Plains, Lakes and Glaciers:- Landforms are the natural features and shapes existent on the face of the earth. Landforms possess many different physical characteristics and are spread out throughout the planet. Together, landforms constitute a specific terrain and their physical arrangement in the landscape forms what is … Read more
Each landform has its unique physical shape, size, materials and is a result of the action of certain geomorphic processes and agent(s). Every landform has a beginning. Landforms once formed may change in their shape, size and nature slowly or fast due to continued action of geomorphic processes and agents. Due to changes in … Read more
Addition of certain substances to the water such as organic, inorganic, biological, radiological, heat, which degrades the quality of water so that it becomes unfit for use. Putrescibility is the process of decomposition of organic matter present in water by Microorganisms using Oxygen. Water having DO (dissolved oxygen) content below 8.0 mg/L may be … Read more
Waves and Currents: Sculptors of the Earth’s Surface The Earth’s surface is a dynamic landscape, constantly reshaped by the relentless forces of nature. Among these forces, waves and currents play a pivotal role in shaping coastlines, eroding cliffs, transporting sediments, and creating diverse and intricate landforms. These agents of change, driven by wind, tides, and … Read more