Notes and Study material for Exams
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
The West Australian Current: A Lifeline for Marine Life and a Force of Nature The West Australian Current (WAC), a powerful and influential ocean current, plays a vital role in shaping the marine ecosystem of Western Australia and beyond. This warm, swift current, flowing south along the coast of Western Australia, carries a wealth of … Read more
The Tricellular Meridional Circulation: A Symphony of Atmospheric Motion The Earth’s atmosphere is a dynamic system, constantly in motion, driven by the uneven distribution of solar radiation. This motion manifests in various forms, from gentle breezes to powerful storms, all playing a crucial role in shaping our planet’s climate. One of the most fundamental and … Read more
The Chilling Embrace: Exploring the World of Cold Ocean Currents The vast expanse of the world’s oceans is a dynamic system, constantly in motion. This movement, driven by a complex interplay of factors like wind, salinity, and temperature, manifests as ocean currents â powerful rivers within the sea. While warm currents bring tropical warmth to … Read more
Playas: Ephemeral Landscapes of the Arid West The arid landscapes of the western United States are often characterized by stark beauty and a sense of vastness. Among the most intriguing features of these regions are playas, ephemeral lakes that appear only after periods of heavy rainfall. These unique ecosystems, also known as dry lakes, alkali … Read more
The South Equatorial Current: A Vital Force in the Global Ocean Circulation The vast expanse of the world’s oceans is far from static. A complex network of currents, driven by a combination of wind, temperature, salinity, and the Earth’s rotation, constantly circulates water around the globe. Among these currents, the South Equatorial Current (SEC) stands … Read more
Coral is actually a living animal. has a symbiotic relationship (each gives something to the other and gets something back in return) With ‘zooxanthellae’ microscopic algae which live on coral [i.e. instead of living on the sea floor, the algae lives up on the coral which is closer to the ocean surface and so … Read more
Hydrosphere – World Oceans Salinity – Ocean currents and Tides – Ocean Deposits Water is all over on Earth. About 70% of the surface of the planet is roofed by water. If you were an alien visiting the earth, you’d see a large blue sphere from area (especially on the Pacific side). Not solely is … Read more
The major causes of the environmental degradation are modern Urbanization, industrialization, over-Population Growth, deforestation etc. Environmental pollution refers to the degradation of quality and quantity of natural Resources. Mahatma Gandhi’s principle of “enoughness” in his saying “the earth provides enough to satisfy every persons need but not for every person’s greed” According to World Commission … Read more
